SearchSuite provides further control over Wikipedia search results, such as on/off features to sort them, to present results one-per-line, and more. While it seems to work fairly well, there is definitely room for improvement. Comments and suggestions are welcome.
By the way, most of the scripts I've been working on are for building and augmenting outlines...
I'm interested in all knowledge, especially how to organize it so you can find whatever is most relevant at any given moment.
I've been around Wikipedia since the Fall of 2005, and have been working mostly on Wikipedia's structure, and its knowledge navigation systems, throughout that time.
Traditionally, meals have been prepared by women in a home kitchen (painting from the circle of Jean-Baptiste de Saive, 1563). A meal is an occasion that takes place at a certain time and includes consumption of food. The English names used for specific meals vary, depending on the speaker's culture, the time of day, or the size of the meal. A meal is different from a snack in that meals are generally larger, more varied, and more filling than snacks.
Although they can be eaten anywhere, meals typically take place in homes, restaurants, and cafeterias. Regular meals occur on a daily basis, typically several times a day. Special meals are usually held in conjunction with celebratory or momentous occasions such as birthdays, weddings, anniversaries, funerals, and holidays.
The type of food that is served or consumed at any given time depends on regional customs. Three main meals are often eaten in the morning, early afternoon, and evening in most modern civilizations. Further, the names of meals are often interchangeable by custom as well. Some serve dinner as the main meal at midday, with supper as the late afternoon/early evening meal; while others may call their midday meal lunch and their early evening meal supper or dinner. Except for "breakfast," these names can vary from region to region or even from family to family. (Full article...)
Scraping a web page involves fetching it and then extracting data from it. Fetching is the downloading of a page (which a browser does when a user views a page). Therefore, web crawling is a main component of web scraping, to fetch pages for later processing. Having fetched, extraction can take place. The content of a page may be parsed, searched and reformatted, and its data copied into a spreadsheet or loaded into a database. Web scrapers typically take something out of a page, to make use of it for another purpose somewhere else. An example would be finding and copying names and telephone numbers, companies and their URLs, or e-mail addresses to a list (contact scraping).
Web pages are built using text-based mark-up languages (HTML and XHTML), and frequently contain a wealth of useful data in text form. However, most web pages are designed for human end-users and not for ease of automated use. As a result, specialized tools and software have been developed to facilitate the scraping of web pages. Web scraping applications include market research, price comparison, content monitoring, and more. Businesses rely on web scraping services to efficiently gather and utilize this data. (Full article...)
Human overpopulation (or human population overshoot) is the idea that human populations may become too large to be sustained by their environment or resources in the long term. The topic is usually discussed in the context of world population, though it may concern individual nations, regions, and cities.
Since 1804, the global living human population has increased from 1 billion to 8 billion due to medical advancements and improved agricultural productivity. Annual world population growth peaked at 2.1% in 1968 and has since dropped to 1.1%. According to the most recent United Nations' projections, the global human population is expected to reach 9.7 billion in 2050 and would peak at around 10.4 billion people in the 2080s, before decreasing, noting that fertility rates are falling worldwide. Other models agree that the population will stabilize before or after 2100. Conversely, other researchers have found that national birth registries data from 2022 and 2023 that cover half the world's population indicate that the 2022 UN projections overestimated fertility rates by 10 to 20% and are already outdated, that the global fertility rate has possibly already fallen below the sub-replacement fertility level for the first time in human history, and that the global population will peak at approximately 9.5 billion by 2061. The 2024 UN projections report estimated that world population would peak at 10.29 billion in 2084 and decline to 10.18 billion by 2100, which was 6% lower than the UN had estimated in 2014.
Early discussions of overpopulation in English were spurred by the work of Thomas Malthus. Discussions of overpopulation follow a similar line of inquiry as Malthusianism and its Malthusian catastrophe, a hypothetical event where population exceeds agricultural capacity, causing famine or war over resources, resulting in poverty and depopulation. More recent discussion of overpopulation was popularized by Paul Ehrlich in his 1968 book The Population Bomb and subsequent writings. Ehrlich described overpopulation as a function of overconsumption, arguing that overpopulation should be defined by a population being unable to sustain itself without depleting non-renewable resources.
The same terminology can be used with the term "sentience" instead of "consciousness" when specifically designating phenomenal consciousness (the ability to feel qualia). Since sentience involves the ability to experience ethically positive or negative (i.e., valenced) mental states, it may justify welfare concerns and legal protection, as with animals.
Some scholars believe that consciousness is generated by the interoperation of various parts of the brain; these mechanisms are labeled the neural correlates of consciousness or NCC. Some further believe that constructing a system (e.g., a computer system) that can emulate this NCC interoperation would result in a system that is conscious. (Full article...)
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The technological singularity—or simply the singularity—is a hypothetical future point in time at which technological growth becomes uncontrollable and irreversible, resulting in unforeseeable consequences for human civilization. According to the most popular version of the singularity hypothesis, I. J. Good's intelligence explosion model of 1965, an upgradable intelligent agent could eventually enter a positive feedback loop of self-improvement cycles, each successive; and more intelligent generation appearing more and more rapidly, causing a rapid increase ("explosion") in intelligence which would ultimately result in a powerful superintelligence, qualitatively far surpassing all human intelligence.
The Hungarian-American mathematician John von Neumann (1903-1957) became the first known person to use the concept of a "singularity" in the technological context.
Alan Turing, often regarded as the father of modern computer science, laid a crucial foundation for the contemporary discourse on the technological singularity. His pivotal 1950 paper, "Computing Machinery and Intelligence," introduces the idea of a machine's ability to exhibit intelligent behavior equivalent to or indistinguishable from that of a human.
Stanislaw Ulam reported in 1958 an earlier discussion with von Neumann "centered on the accelerating progress of technology and changes in human life, which gives the appearance of approaching some essential singularity in the history of the race beyond which human affairs, as we know them, could not continue". Subsequent authors have echoed this viewpoint. (Full article...)
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A superintelligence is a hypothetical agent that possesses intelligence surpassing that of the brightest and most gifted human minds. "Superintelligence" may also refer to a property of problem-solving systems (e.g., superintelligent language translators or engineering assistants) whether or not these high-level intellectual competencies are embodied in agents that act in the world. A superintelligence may or may not be created by an intelligence explosion and associated with a technological singularity.
University of Oxford philosopher Nick Bostrom defines superintelligence as "any intellect that greatly exceeds the cognitive performance of humans in virtually all domains of interest". The program Fritz falls short of this conception of superintelligence—even though it is much better than humans at chess—because Fritz cannot outperform humans in other tasks.
Technological researchers disagree about how likely present-day human intelligence is to be surpassed. Some argue that advances in artificial intelligence (AI) will probably result in general reasoning systems that lack human cognitive limitations. Others believe that humans will evolve or directly modify their biology to achieve radically greater intelligence. Several future study scenarios combine elements from both of these possibilities, suggesting that humans are likely to interface with computers, or upload their minds to computers, in a way that enables substantial intelligence amplification.
Some researchers believe that superintelligence will likely follow shortly after the development of artificial general intelligence. The first generally intelligent machines are likely to immediately hold an enormous advantage in at least some forms of mental capability, including the capacity of perfect recall, a vastly superior knowledge base, and the ability to multitask in ways not possible to biological entities. This may allow them to — either as a single being or as a new species — become much more powerful than humans, and displace them. (Full article...)
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The branches of science, also referred to as sciences, scientificfields or scientific disciplines, are commonly divided into three major groups:
Scientific knowledge must be based on observable phenomena and must be capable of being verified by other researchers working under the same conditions.
Genius is a characteristic of original and exceptional insight in the performance of some art or endeavor that surpasses expectations, sets new standards for the future, establishes better methods of operation, or remains outside the capabilities of competitors. Genius is associated with intellectual ability and creative productivity. The term genius can also be used to refer to people characterised by genius, and/or to polymaths who excel across many subjects.
There is no scientifically precise definition of genius. When used to refer to the characteristic, genius is associated with talent, but several authors such as Cesare Lombroso and Arthur Schopenhauer systematically distinguish these terms. Walter Isaacson, biographer of many well-known geniuses, explains that although high intelligence may be a prerequisite, the most common trait that actually defines a genius may be the extraordinary ability to apply creativity and imaginative thinking to almost any situation.
In the early-19th century Carl von Clausewitz, who had a particular interest in what he called "military genius", defined "the essence of Genius" (German: der Genius) in terms of "a very high mental capacity for certain employments". (Full article...)
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The meaning of life pertains to the inherent significance or philosophical meaning of living (or existence in general). There is no consensus on a definitive answer, and thinking or discourse on the topic is sought in the English language through the question, "What is the meaning of life?" (or the related "Why are wehere?" or "What is the purpose of existence?"). There have been many proposed answers to these questions from many different cultural and ideological backgrounds. The search for life's meaning has produced much philosophical, scientific, theological, and metaphysical speculation throughout history. Different people and cultures believe different things for the answer to this question. Opinions vary on the usefulness of using time and resources in the pursuit of an answer. Excessive pondering can be indicative of, or lead to, an existential crisis.
The term anthropogenic designates an effect or object resulting from human activity. The term was first used in the technical sense by Russian geologist Alexey Pavlov, and it was first used in English by British ecologist Arthur Tansley in reference to human influences on climax plant communities. The atmospheric scientist Paul Crutzen introduced the term "Anthropocene" in the mid-1970s. The term is sometimes used in the context of pollution produced from human activity since the start of the Agricultural Revolution but also applies broadly to all major human impacts on the environment. Many of the actions taken by humans that contribute to a heated environment stem from the burning of fossil fuel from a variety of sources, such as: electricity, cars, planes, space heating, manufacturing, or the destruction of forests. (Full article...)
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Trichophyton rubrum
Trichophyton is a genus of fungi, which includes the parasitic varieties that cause tinea, including athlete's foot, ringworm, jock itch, and similar infections of the nail, beard, skin and scalp. Trichophyton fungi are molds characterized by the development of both smooth-walled macro- and microconidia. Macroconidia are mostly borne laterally directly on the hyphae or on short pedicels, and are thin- or thick-walled, clavate to fusiform, and range from 4 to 8 by 8 to 50 μm in size. Macroconidia are few or absent in many species. Microconidia are spherical, pyriform to clavate or of irregular shape, and range from 2 to 3 by 2 to 4 μm in size. (Full article...)
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A revenue model is a framework for generating financial income. There can be a variety of ways for revenue generation such as the production model, manufacturing model, as well as the construction model. A revenue model identifies which revenue source to pursue, what value to offer, how to price the value, and whopays for the value. It is a key component of a company's business model. A revenue model primarily identifies what product or service will be created and sold in order to generate revenues.
Without a clear and well-defined revenue model new businesses will be more likely to struggle. By having a clear revenue model, a business can focus on a target audience, fund development plans for a product or service, establish marketing plans, open a line of credit and raise capital. (Full article...)
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Friendly artificial intelligence (friendly AI or FAI) is hypothetical artificial general intelligence (AGI) that would have a positive (benign) effect on humanity or at least align with human interests or contribute to fostering the improvement of the human species. It is a part of the ethics of artificial intelligence and is closely related to machine ethics. While machine ethics is concerned with how an artificially intelligent agent should behave, friendly artificial intelligence research is focused on how to practically bring about this behavior and ensuring it is adequately constrained. (Full article...)
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Health has a variety of definitions, which have been used for different purposes over time. In general, it refers to physical and emotional well-being, especially that associated with normal functioning of the human body, absent of disease, pain (including mental pain), or injury.
Health can be promoted by encouraging healthful activities, such as regular physical exercise and adequate sleep, and by reducing or avoiding unhealthful activities or situations, such as smoking or excessive stress. Some factors affecting health are due to individual choices, such as whether to engage in a high-risk behavior, while others are due to structural causes, such as whether the society is arranged in a way that makes it easier or harder for people to get necessary healthcare services. Still, other factors are beyond both individual and group choices, such as genetic disorders. (Full article...)
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Knowledge extraction is the creation of knowledge from structured (relational databases, XML) and unstructured (text, documents, images) sources. The resulting knowledge needs to be in a machine-readable and machine-interpretable format and must represent knowledge in a manner that facilitates inferencing. Although it is methodically similar to information extraction (NLP) and ETL (data warehouse), the main criterion is that the extraction result goes beyond the creation of structured information or the transformation into a relational schema. It requires either the reuse of existing formal knowledge (reusing identifiers or ontologies) or the generation of a schema based on the source data.
A userscript (or user script) is a program, usually written in JavaScript, for modifying web pages to augment browsing. Uses include adding shortcut buttons and keyboard shortcuts, controlling playback speeds, adding features to sites, and enhancing the browsing history.
On desktop browsers such as Firefox, userscripts are enabled by use of a userscript managerbrowser extension such as Tampermonkey or Greasemonkey. The Presto-based Opera-supported userscripts (referred to as User JavaScript) are placed in a designated directory. Userscripts are often referred to as Greasemonkey scripts, named after the original userscript manager for Firefox.
On Wikipedia, a user scripts feature is enabled for registered users that allows them to install userscripts to augment editing and viewing of the encyclopedia's pages. (Full article...)
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A userscript manager, also known as a userscript engine, is a type of browser extension and augmented browsing technology that provides a user interface to run and organize userscripts. The main purpose of a userscript manager is to execute scripts on predetermined webpages as they are loaded, for example, running a userscript to modify only youtube.com pages. But, userscript managers do a lot more than execute scripts, and screen for the pages they are intended to run on. The most common operations performed by a userscript manager include installing, organizing, creating, copying, saving, deleting, and editing (including modifying webpage permissions of) userscripts.
Userscript managers use metadata that is embedded in a script's source code primarily to determine the websites it should execute on and the dependencies necessary for the script to run properly. Metadata can also include information that is useful to the user such as the script's name, author, description and version number.
Popular userscript managers include Tampermonkey, Greasemonkey, and Violentmonkey. The Gear browser for IOS has a userscript manager built in. (Full article...)
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Ontology learning (ontology extraction,ontology augmentation generation, ontology generation, or ontology acquisition) is the automatic or semi-automatic creation of ontologies, including extracting the corresponding domain's terms and the relationships between the concepts that these terms represent from a corpus of natural language text, and encoding them with an ontology language for easy retrieval. As building ontologies manually is extremely labor-intensive and time-consuming, there is great motivation to automate the process.
Life extension is the concept of extending the human lifespan, either modestly through improvements in medicine or dramatically by increasing the maximum lifespan beyond its generally-settled biological limit of around 125 years. Several researchers in the area, along with "life extensionists", "immortalists", or "longevists" (those who wish to achieve longer lives themselves), postulate that future breakthroughs in tissue rejuvenation, stem cells, regenerative medicine, molecular repair, gene therapy, pharmaceuticals, and organ replacement (such as with artificial organs or xenotransplantations) will eventually enable humans to have indefinite lifespans through complete rejuvenation to a healthy youthful condition (agerasia). The ethical ramifications, if life extension becomes a possibility, are debated by bioethicists.
The sale of purported anti-aging products such as supplements and hormone replacement is a lucrative global industry. For example, the industry that promotes the use of hormones as a treatment for consumers to slow or reverse the aging process in the US market generated about $50 billion of revenue a year in 2009. The use of such hormone products has not been proven to be effective or safe. (Full article...)
LCC has been criticized for lacking a sound theoretical basis; many of the classification decisions were driven by the practical needs of that library rather than epistemological considerations. Although it divides subjects into broad categories, it is essentially enumerative in nature. That is, it provides a guide to the books actually in one library's collections, not a classification of the world. (Full article...)
A dynastat is a hybrid airship with fixed wings and/or a lifting body and is typically intended for long-endurance flights. It requires forward flight to create the aerodynamic lift component. (Full article...)
A home security camera system software on a Windows laptop for monitoring
Home security includes both the security hardware placed on a property and individuals' personal security practices. Security hardware includes doors, locks, alarm systems, lighting, motion detectors, and security camera systems. Personal security involves practices like ensuring doors are locked, alarms are activated, owning a Dog, windows are closed, and extra keys are not hidden outside.
According to an FBI report, 58.3% of burglaries in the United States involved forcible entry. Per the most recent statistics, the average burglary in the United States takes about 90seconds to 12minutes, and on average, a burglar will break into a home within 60seconds. Most target cash first followed by jewels, drugs, and electronics. Common security methods include never hiding extra keys outside, never turning off all the lights, applying small CCTV stickers on doors, and keeping good tabs with neighbours. (Full article...)
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Swarm of open-source Jasmine micro-robots recharging themselves Swarm robotics is the study of how to design independent systems of robots without centralized control. The emerging swarming behavior of robotic swarms is created through the interactions between individual robots and the environment. This idea emerged on the field of artificial swarm intelligence, as well as the studies of insects, ants and other fields in nature, where swarm behavior occurs.
Relatively simple individual rules can produce a large set of complex swarm behaviors. A key component is the communication between the members of the group that build a system of constant feedback. The swarm behavior involves constant change of individuals in cooperation with others, as well as the behavior of the whole group. (Full article...)
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Behavior-based robotics (BBR) or behavioral robotics is an approach in robotics that focuses on robots that are able to exhibit complex-appearing behaviors despite little internal variable state to model its immediate environment, mostly gradually correcting its actions via sensory-motor links. (Full article...)
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Flat-screen television receivers on display for sale at a consumer electronics store in 2008
Television became available in crude experimental forms in the 1920s, but only after several years of further development was the new technology marketed to consumers. After World War II, an improved form of black-and-white television broadcasting became popular in the United Kingdom and the United States, and television sets became commonplace in homes, businesses, and institutions. During the 1950s, television was the primary medium for influencing public opinion. In the mid-1960s, color broadcasting was introduced in the U.S. and most other developed countries. (Full article...)
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A visual prosthesis, often referred to as a bionic eye, is an experimental visual device intended to restore functional vision in those with partial or total blindness. Many devices have been developed, usually modeled on the cochlear implant or bionic ear devices, a type of neural prosthesis in use since the mid-1980s. The idea of using electrical current (e.g., electrically stimulating the retina or the visual cortex) to provide sight dates back to the 18th century, discussed by Benjamin Franklin, Tiberius Cavallo, and Charles LeRoy. (Full article...)
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Diagram of an electrical grid (generation system in red, transmission system in blue, distribution system in green)
An electrical grid (or electricity network) is an interconnected network for electricity delivery from producers to consumers. Electrical grids consist of power stations, electrical substations to step voltage up or down, electric power transmission to carry power over long distances, and finally electric power distribution to customers. In that last step, voltage is stepped down again to the required service voltage. Power stations are typically built close to energy sources and far from densely populated areas. Electrical grids vary in size and can cover whole countries or continents. From small to large there are microgrids, wide area synchronous grids, and super grids. The combined transmission and distribution network is part of electricity delivery, known as the power grid.
Grids are nearly always synchronous, meaning all distribution areas operate with three phasealternating current (AC) frequencies synchronized (so that voltage swings occur at almost the same time). This allows transmission of AC power throughout the area, connecting the electricity generators with consumers. Grids can enable more efficient electricity markets. (Full article...)
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Diagram regarding the confirmation of gravitomagnetism by Gravity Probe B
Compared to conventional railways, maglev trains can have higher top speeds, superior acceleration and deceleration, lower maintenance costs, improved gradient handling, and lower noise. However, they are more expensive to build, cannot use existing infrastructure, and use more energy at high speeds. (Full article...)
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Diagram of the eye, the retina, and location of the various retinal implants. Retinal layers, from bottom to top: retinal pigment epithelium (RPE), photoreceptors (PR), horizontal cells (HC), bipolar cells (BC), amacrine cells (AC), ganglion cells (RGC), nerve fiber layer (RNFL). A retinal implant is a visual prosthesis for restoration of sight to patients blinded by retinal degeneration. The system is meant to partially restore useful vision to those who have lost their photoreceptors due to retinal diseases such as retinitis pigmentosa (RP) or age-related macular degeneration (AMD). Retinal implants are being developed by a number of private companies and research institutions, and three types are in clinical trials: epiretinal (on the retina), subretinal (behind the retina), and suprachoroidal (between the choroid and the sclera). The implants introduce visual information into the retina by electrically stimulating the surviving retinal neurons. So far, elicited percepts had rather low resolution, and may be suitable for light perception and recognition of simple objects. (Full article...)
Genetically modified foods (GM foods), also known as genetically engineered foods (GE foods), or bioengineered foods are foods produced from organisms that have had changes introduced into their DNA using various methods of genetic engineering. Genetic engineering techniques allow for the introduction of new traits as well as greater control over traits when compared to previous methods, such as selective breeding and mutation breeding.
The discovery of DNA and the improvement of genetic technology in the 20th century played a crucial role in the development of transgenic technology. In 1988, genetically modified microbial enzymes were first approved for use in food manufacture. Recombinant rennet was used in few countries in the 1990s. Commercial sale of genetically modified foods began in 1994, when Calgene first marketed its unsuccessful Flavr Savr delayed-ripening tomato. Most food modifications have primarily focused on cash crops in high demand by farmers such as soybean, maize/corn, canola, and cotton. Genetically modified crops have been engineered for resistance to pathogens and herbicides and for better nutrient profiles. The production of golden rice in 2000 marked a further improvement in the nutritional value of genetically modified food. GM livestock have been developed, although, as of 2015[update], none were on the market. As of 2015, the AquAdvantage salmon was the only animal approved for commercial production, sale and consumption by the FDA. It is the first genetically modified animal to be approved for human consumption. (Full article...)
Muons are unstable subatomic particles which are similar to electrons but 207 times more massive. If a muon replaces one of the electrons in a hydrogen molecule, the nuclei are consequently drawn 186 times closer than in a normal molecule, due to the reduced mass being 186 times the mass of an electron. When the nuclei move closer together, the fusion probability increases, to the point where a significant number of fusion events can happen at room temperature. (Full article...)
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Fullerene nanogears Nanotechnology is the manipulation of matter with at least one dimension sized from 1 to 100 nanometers (nm). At this scale, commonly known as the nanoscale, surface area and quantum mechanical effects become important in describing properties of matter. This definition of nanotechnology includes all types of research and technologies that deal with these special properties. It is common to see the plural form "nanotechnologies" as well as "nanoscale technologies" to refer to research and applications whose common trait is scale. An earlier understanding of nanotechnology referred to the particular technological goal of precisely manipulating atoms and molecules for fabricating macroscale products, now referred to as molecular nanotechnology.
A microscope image of an integrated circuit die used to control LCDs. The pinouts are the dark circles surrounding the integrated circuit.
An integrated circuit (IC), also known as a microchip or simply chip, is a small electronic device made up of multiple interconnected electronic components such as transistors, resistors, and capacitors. These components are etched onto a small piece of semiconductor material, usually silicon. Integrated circuits are used in a wide range of electronic devices, including computers, smartphones, and televisions, to perform various functions such as processing and storing information. They have greatly impacted the field of electronics by enabling device miniaturization and enhanced functionality.
Integrated circuits are orders of magnitude smaller, faster, and less expensive than those constructed of discrete components, allowing a large transistor count. (Full article...)
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Modular self-reconfiguring robotic systems or self-reconfigurable modular robots are autonomous kinematic machines with variable morphology. Beyond conventional actuation, sensing and control typically found in fixed-morphology robots, self-reconfiguring robots are also able to deliberately change their own shape by rearranging the connectivity of their parts, in order to adapt to new circumstances, perform new tasks, or recover from damage.
For example, a robot made of such components could assume a worm-like shape to move through a narrow pipe, reassemble into something with spider-like legs to cross uneven terrain, then form a third arbitrary object (like a ball or wheel that can spin itself) to move quickly over a fairly flat terrain; it can also be used for making "fixed" objects, such as walls, shelters, or buildings. (Full article...)
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An RF anechoic chamber used for EMC testing. In materials science, radiation-absorbent material (RAM) is a material which has been specially designed and shaped to absorb incident RF radiation (also known as non-ionising radiation), as effectively as possible, from as many incident directions as possible. The more effective the RAM, the lower the resulting level of reflected RF radiation. Many measurements in electromagnetic compatibility (EMC) and antenna radiation patterns require that spurious signals arising from the test setup, including reflections, are negligible to avoid the risk of causing measurement errors and ambiguities. (Full article...)
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Recovery of Falcon 9 first-stage booster after its first landingA reusable launch vehicle has parts that can be recovered and reflown, while carrying payloads from the surface to outer space. Rocket stages are the most common launch vehicle parts aimed for reuse. Smaller parts such as rocket engines and boosters can also be reused, though reusable spacecraft may be launched on top of an expendable launch vehicle. Reusable launch vehicles do not need to make these parts for each launch, therefore reducing its launch cost significantly. However, these benefits are diminished by the cost of recovery and refurbishment.
Northern bat hibernating in Norway Hibernation is a state of minimal activity and metabolic depression undergone by some animal species. Hibernation is a seasonal heterothermy characterized by low body-temperature, slow breathing and heart-rate, and low metabolic rate. It is most commonly used to pass through winter months – called overwintering.
Although traditionally reserved for "deep" hibernators such as rodents, the term has been redefined to include animals such as bears and is now applied based on active metabolic suppression rather than any absolute decline in body temperature. Many experts believe that the processes of daily torpor and hibernation form a continuum and utilise similar mechanisms. The equivalent during the summer months is aestivation. (Full article...)
The new .50 BMG gun and improved scope could employ "fire-and-forget" technologies including "fin-stabilized projectiles, spin-stabilized projectiles, internal and/or external aero-actuation control methods, projectile guidance technologies, tamper proofing, small stable power supplies, and advanced sighting, optical resolution and clarity technologies". Its estimated availability at the time was 2015. (Full article...)
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A holographic display is a type of 3D display that utilizes light diffraction to display a three-dimensional image to the viewer. Holographic displays are distinguished from other forms of 3D displays in that they do not require the viewer to wear any special glasses or use external equipment to be able to see the image, and do not cause a vergence-accommodation conflict.
Some commercially available 3D displays are advertised as being holographic, but are actually multiscopic. (Full article...)
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Metamaterial cloaking is the usage of metamaterials in an invisibility cloak. This is accomplished by manipulating the paths traversed by light through a novel optical material. Metamaterials direct and control the propagation and transmission of specified parts of the light spectrum and demonstrate the potential to render an object seemingly invisible. Metamaterial cloaking, based on transformation optics, describes the process of shielding something from view by controlling electromagnetic radiation. Objects in the defined location are still present, but incident waves are guided around them without being affected by the object itself. (Full article...)
Selected global issues and related topics
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Map of the world's biodiversity hot spots, all of which are heavily threatened by habitat loss and degradation
Habitat destruction (also termed habitat loss and habitat reduction) occurs when a natural habitat is no longer able to support its native species. The organisms once living there have either moved to elsewhere or are dead, leading to a decrease in biodiversity and species numbers. Habitat destruction is in fact the leading cause of biodiversity loss and species extinction worldwide.
Summary of major environmental-change categories that cause biodiversity loss. The data is expressed as a percentage of human-driven change (in red) relative to baseline (blue), as of 2021. Red indicates the percentage of the category that is damaged, lost, or otherwise affected, whereas blue indicates the percentage that is intact, remaining, or otherwise unaffected. Biodiversity loss happens when plant or animal species disappear completely from Earth (extinction) or when there is a decrease or disappearance of species in a specific area. Biodiversity loss means that there is a reduction in biological diversity in a given area. The decrease can be temporary or permanent. It is temporary if the damage that led to the loss is reversible in time, for example through ecological restoration. If this is not possible, then the decrease is permanent. The cause of most of the biodiversity loss is, generally speaking, human activities that push the planetary boundaries too far. These activities include habitat destruction (for example deforestation) and land use intensification (for example monoculture farming). Further problem areas are air and water pollution (including nutrient pollution), over-exploitation, invasive species and climate change.
Climate change is another threat to global biodiversity. For example, coral reefs—which are biodiversity hotspots—will be lost by the year 2100 if global warming continues at the current rate. Still, it is the general habitat destruction (often for expansion of agriculture), not climate change, that is currently the bigger driver of biodiversity loss. Invasive species and other disturbances have become more common in forests in the last several decades. These tend to be directly or indirectly connected to climate change and can cause a deterioration of forest ecosystems. (Full article...)
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Inclusive growth is economic growth that raises standards of livings for broad swaths of a population. Proponents for inclusive growth warn that inequitable growth may have adverse political outcomes.
The origins of the Internet date back to research that enabled the time-sharing of computer resources, the development of packet switching in the 1960s and the design of computer networks for data communication. The set of rules (communication protocols) to enable internetworking on the Internet arose from research and development commissioned in the 1970s by the Defense Advanced Research Projects Agency (DARPA) of the United States Department of Defense in collaboration with universities and researchers across the United States and in the United Kingdom and France. The ARPANET initially served as a backbone for the interconnection of regional academic and military networks in the United States to enable resource sharing. The funding of the National Science Foundation Network as a new backbone in the 1980s, as well as private funding for other commercial extensions, encouraged worldwide participation in the development of new networking technologies and the merger of many networks using DARPA's Internet protocol suite. The linking of commercial networks and enterprises by the early 1990s, as well as the advent of the World Wide Web, marked the beginning of the transition to the modern Internet, and generated sustained exponential growth as generations of institutional, personal, and mobilecomputers were connected to the internetwork. Although the Internet was widely used by academia in the 1980s, the subsequent commercialization of the Internet in the 1990s and beyond incorporated its services and technologies into virtually every aspect of modern life.
While the ability to deliberately engineer pathogens has been constrained to high-end labs run by top researchers, the technology to achieve this is rapidly becoming cheaper and more widespread. For example, the diminishing cost of sequencing the human genome (from $10 million to $1,000), the accumulation of large datasets of genetic information, the discovery of gene drives, and the discovery of CRISPR. Biotechnology risk is therefore a credible explanation for the Fermi paradox. (Full article...)
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Ocean acidification means that the average seawaterpH value is dropping over time.
A change in pH by 0.1 represents a 26% increase in hydrogen ion concentration in the world's oceans (the pH scale is logarithmic, so a change of one in pH units is equivalent to a tenfold change in hydrogen ion concentration). Sea-surface pH and carbonate saturation states vary depending on ocean depth and location. Colder and higher latitude waters are capable of absorbing more CO2. This can cause acidity to rise, lowering the pH and carbonate saturation levels in these areas. There are several other factors that influence the atmosphere-ocean CO2 exchange, and thus local ocean acidification. These include ocean currents and upwelling zones, proximity to large continental rivers, sea ice coverage, and atmospheric exchange with nitrogen and sulfur from fossil fuel burning and agriculture.
A lower ocean pH has a range of potentially harmful effects for marine organisms. Scientists have observed for example reduced calcification, lowered immune responses, and reduced energy for basic functions such as reproduction. Ocean acidification can impact marine ecosystems that provide food and livelihoods for many people. About one billion people are wholly or partially dependent on the fishing, tourism, and coastal management services provided by coral reefs. Ongoing acidification of the oceans may therefore threaten food chains linked with the oceans. (Full article...)
A typical suburban development in the United States, located in Chandler, Arizona Urban sprawl (also known as suburban sprawl or urban encroachment) is defined as "the spreading of urban developments (such as houses, dense multi–family apartments, office buildings and shopping centers) on undeveloped land near a more or less densely populated city". Urban sprawl has been described as the unrestricted growth in many urban areas of housing, commercial development, and roads over large expanses of land, with little concern for very dense urban planning. Sometimes the urban areas described as the most "sprawling" are the most densely populated. In addition to describing a special form of urbanization, the term also relates to the social and environmental consequences associated with this development. In modern times some suburban areas described as "sprawl" have less detached housing and higher density than the nearby core city. Medieval suburbs suffered from the loss of protection of city walls, before the advent of industrial warfare. Modern disadvantages and costs include increased travel time, transport costs, pollution, and destruction of the countryside. The revenue for building and maintaining urban infrastructure in these areas are gained mostly through property and sales taxes. Most jobs in the US are now located in suburbs generating much of the revenue, although a lack of growth will require higher tax rates.
In Europe, the term peri-urbanisation is often used to denote similar dynamics and phenomena, but the term urban sprawl is currently being used by the European Environment Agency. There is widespread disagreement about what constitutes sprawl and how to quantify it. For example, some commentators measure sprawl by residential density, using the average number of residential units per acre in a given area. Others associate it with decentralization (spread of population without a well-defined centre), discontinuity (leapfrogging development, as defined below), segregation of uses, and so forth.
The term urban sprawl is highly politicized and almost always has negative connotations. It is criticized for causing environmental degradation, intensifying segregation, and undermining the vitality of existing urban areas, and is attacked on aesthetic grounds. The pejorative meaning of the term means that few openly support urban sprawl as such. The term has become a rallying cry for managing urban growth. (Full article...)
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Pollution is the introduction of contaminants into the natural environment that cause adverse change. Pollution can take the form of any substance (solid, liquid, or gas) or energy (such as radioactivity, heat, sound, or light). Pollutants, the components of pollution, can be either foreign substances/energies or naturally occurring contaminants.
Virtually all civilizations have suffered such a fate, regardless of their size or complexity. Most never recovered, such as the Western and Eastern Roman Empires, the Maya civilization, and the Easter Island civilization. However, some of them later revived and transformed, such as China, Greece, and Egypt.
Anthropologists, historians, and sociologists have proposed a variety of explanations for the collapse of civilizations involving causative factors such as environmental degradation, depletion of resources, costs of rising complexity, invasion, disease, decay of social cohesion, growing inequality, extractive institutions, long-term decline of cognitive abilities, loss of creativity, and misfortune. However, complete extinction of a culture is not inevitable, and in some cases, the new societies that arise from the ashes of the old one are evidently its offspring, despite a dramatic reduction in sophistication. Moreover, the influence of a collapsed society, such as the Western Roman Empire, may linger on long after its death. (Full article...)
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Summary of major environmental-change categories that cause biodiversity loss. The data is expressed as a percentage of human-driven change (in red) relative to baseline (blue), as of 2021. Red indicates the percentage of the category that is damaged, lost, or otherwise affected, whereas blue indicates the percentage that is intact, remaining, or otherwise unaffected. Biodiversity loss happens when plant or animal species disappear completely from Earth (extinction) or when there is a decrease or disappearance of species in a specific area. Biodiversity loss means that there is a reduction in biological diversity in a given area. The decrease can be temporary or permanent. It is temporary if the damage that led to the loss is reversible in time, for example through ecological restoration. If this is not possible, then the decrease is permanent. The cause of most of the biodiversity loss is, generally speaking, human activities that push the planetary boundaries too far. These activities include habitat destruction (for example deforestation) and land use intensification (for example monoculture farming). Further problem areas are air and water pollution (including nutrient pollution), over-exploitation, invasive species and climate change.
Climate change is another threat to global biodiversity. For example, coral reefs—which are biodiversity hotspots—will be lost by the year 2100 if global warming continues at the current rate. Still, it is the general habitat destruction (often for expansion of agriculture), not climate change, that is currently the bigger driver of biodiversity loss. Invasive species and other disturbances have become more common in forests in the last several decades. These tend to be directly or indirectly connected to climate change and can cause a deterioration of forest ecosystems. (Full article...)
In most countries, such trade represents a significant share of gross domestic product (GDP). While international trade has existed throughout history (for example Uttarapatha, Silk Road, Amber Road, salt roads), its economic, social, and political importance has been on the rise in recent centuries.
Carrying out trade at an international level is a complex process when compared to domestic trade. When trade takes place between two or more states, factors like currency, government policies, economy, judicial system, laws, and markets influence trade. (Full article...)
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Investment is traditionally defined as the "commitment of resources to achieve later benefits". If an investment involves money, then it can be defined as a "commitment of money to receive more money later". From a broader viewpoint, an investment can be defined as "to tailor the pattern of expenditure and receipt of resources to optimise the desirable patterns of these flows". When expenditures and receipts are defined in terms of money, then the net monetary receipt in a time period is termed cash flow, while money received in a series of several time periods is termed cash flow stream.
In finance, the purpose of investing is to generate a return on the invested asset. The return may consist of a capital gain (profit) or loss, realised if the investment is sold, unrealised capital appreciation (or depreciation) if yet unsold. It may also consist of periodic income such as dividends, interest, or rental income. The return may also include currency gains or losses due to changes in foreign currency exchange rates.
Investors generally expect higher returns from riskier investments. When a low-risk investment is made, the return is also generally low. Similarly, high risk comes with a chance of high losses. Investors, particularly novices, are often advised to diversify their portfolio. Diversification has the statistical effect of reducing overall risk. (Full article...)
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Women selling produce at a market in Lilongwe, Malawi Food security is the state of having reliable access to a sufficient quantity of affordable, nutritious food. The availability of food for people of any class and state, gender or religion is another element of food security. Similarly, household food security is considered to exist when all the members of a family, at all times, have access to enough food for an active, healthy life. Individuals who are food-secure do not live in hunger or fear of starvation. Food security includes resilience to future disruptions of food supply. Such a disruption could occur due to various risk factors such as droughts and floods, shipping disruptions, fuel shortages, economic instability, and wars. Food insecurity is the opposite of food security: a state where there is only limited or uncertain availability of suitable food.
The concept of food security has evolved over time. The four pillars of food security include availability, access, utilization, and stability. In addition, there are two more dimensions that are important: agency and sustainability. These six dimensions of food security are reinforced in conceptual and legal understandings of the right to food. The World Food Summit in 1996 declared that "food should not be used as an instrument for political and economic pressure."
Global distribution of dryland areas based on the aridity index computed over a 30-year average during 1981 to 2010. Typical deserts are indicated by the hyper-arid category (light yellow). Desertification is a type of gradual land degradation of fertile land into arid desert due to a combination of natural processes and human activities.
The immediate cause of desertification is the loss of most vegetation. This is driven by a number of factors, alone or in combination, such as drought, climatic shifts, tillage for agriculture, overgrazing and deforestation for fuel or construction materials. Though vegetation plays a major role in determining the biological composition of the soil, studies have shown that, in many environments, the rate of erosion and runoff decreases exponentially with increased vegetation cover. Unprotected, dry soil surfaces blow away with the wind or are washed away by flash floods, leaving infertile lower soil layers that bake in the sun and become an unproductive hardpan. This spread of arid areas is caused by a variety of factors, such as overexploitation of soil as a result of human activity and the effects of climate change.
At least 90% of the inhabitants of drylands live in developing countries, where they also suffer from poor economic and social conditions. This situation is exacerbated by land degradation because of the reduction in productivity, the precariousness of living conditions and the difficulty of access to resources and opportunities. (Full article...)
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Solid waste after being shredded to a uniform size Waste (or wastes) are unwanted or unusable materials. Waste is any substance discarded after primary use, or is worthless, defective and of no use. A by-product, by contrast is a joint product of relatively minor economic value. A waste product may become a by-product, joint product or resource through an invention that raises a waste product's value above zero.
Gender equality, also known as sexual equality or equality of the sexes, is the state of equal ease of access to resources and opportunities regardless of gender, including economic participation and decision-making, and the state of valuing different behaviors, aspirations, and needs equally, also regardless of gender. To avoid complication, other genders (besides women and men) will not be treated in this Gender equality article.
Human overpopulation (or human population overshoot) is the idea that human populations may become too large to be sustained by their environment or resources in the long term. The topic is usually discussed in the context of world population, though it may concern individual nations, regions, and cities.
Since 1804, the global living human population has increased from 1 billion to 8 billion due to medical advancements and improved agricultural productivity. Annual world population growth peaked at 2.1% in 1968 and has since dropped to 1.1%. According to the most recent United Nations' projections, the global human population is expected to reach 9.7 billion in 2050 and would peak at around 10.4 billion people in the 2080s, before decreasing, noting that fertility rates are falling worldwide. Other models agree that the population will stabilize before or after 2100. Conversely, other researchers have found that national birth registries data from 2022 and 2023 that cover half the world's population indicate that the 2022 UN projections overestimated fertility rates by 10 to 20% and are already outdated, that the global fertility rate has possibly already fallen below the sub-replacement fertility level for the first time in human history, and that the global population will peak at approximately 9.5 billion by 2061. The 2024 UN projections report estimated that world population would peak at 10.29 billion in 2084 and decline to 10.18 billion by 2100, which was 6% lower than the UN had estimated in 2014.
Besides the immediate destruction of cities by nuclear blasts, the potential aftermath of a nuclear war could involve firestorms, a nuclear winter, widespread radiation sickness from fallout, and/or the temporary (if not permanent) loss of much modern technology due to electromagnetic pulses. Some scientists, such as Alan Robock, have speculated that a thermonuclear war could result in the end of modern civilization on Earth, in part due to a long-lasting nuclear winter. In one model, the average temperature of Earth following a full thermonuclear war falls for several years by 7 – 8 °C (13 to 15 degrees Fahrenheit) on average.
Early Cold War-era studies suggested that billions of humans would survive the immediate effects of nuclear blasts and radiation following a global thermonuclear war. The International Physicians for the Prevention of Nuclear War believe that nuclear war could indirectly contribute to human extinction via secondary effects, including environmental consequences, societal breakdown, and economic collapse. (Full article...)
Access to healthcare may vary across countries, communities, and individuals, influenced by social and economic conditions and health policies. Providing health care services means "the timely use of personal health services to achieve the best possible health outcomes". Factors to consider in terms of healthcare access include financial limitations (such as insurance coverage), geographical and logistical barriers (such as additional transportation costs and the ability to take paid time off work to use such services), sociocultural expectations, and personal limitations (lack of ability to communicate with health care providers, poor health literacy, low income). Limitations to health care services affect negatively the use of medical services, the efficacy of treatments, and overall outcome (well-being, mortality rates).
Health systems are the organizations established to meet the health needs of targeted populations. According to the World Health Organization (WHO), a well-functioning healthcare system requires a financing mechanism, a well-trained and adequately paid workforce, reliable information on which to base decisions and policies, and well-maintained health facilities to deliver quality medicines and technologies. (Full article...)
The prerequisites for the crisis were complex. During the 1990s, the U.S. Congress had passed legislation intended to expand affordable housing through looser financing. In 1999, parts of the Glass–Steagall legislation (passed in 1933) were repealed, permitting institutions to mix low-risk operations, such as commercial banking and insurance, with higher-risk operations such as investment banking and proprietary trading. As the Federal Reserve ("Fed") lowered the federal funds rate from 2000 to 2003, institutions increasingly targeted low-income homebuyers, largely belonging to racial minorities, with high-risk loans; this development went unattended by regulators. As interest rates rose from 2004 to 2006, the cost of mortgages rose and the demand for housing fell, causing property values to decline. In early 2007, as more U.S. mortgage holders began defaulting on their repayments, subprime lenders went bankrupt, culminating in April with the bankruptcy of New Century Financial. As demand and prices continued to fall, the contagion spread to worldwide credit markets by August, and central banks began injecting liquidity. By July 2008, Fannie Mae and Freddie Mac, companies which together owned or guaranteed half of the U.S. housing market, were on the verge of collapse; the Housing and Economic Recovery Act enabled the government to take over and cover their combined $1.6 trillion debt on September 7.
Deforestation of the Amazon rainforest in Brazil's Maranhão state, 2016 Deforestation or forest clearance is the removal and destruction of a forest or stand of trees from land that is then converted to non-forest use. Deforestation can involve conversion of forest land to farms, ranches, or urban use. About 31% of Earth's land surface is covered by forests at present. This is one-third less than the forest cover before the expansion of agriculture, with half of that loss occurring in the last century. Between 15 million to 18 million hectares of forest, an area the size of Bangladesh, are destroyed every year. On average 2,400 trees are cut down each minute. Estimates vary widely as to the extent of deforestation in the tropics. In 2019, nearly a third of the overall tree cover loss, or 3.8 million hectares, occurred within humid tropical primary forests. These are areas of mature rainforest that are especially important for biodiversity and carbon storage.
Gray goo (also spelled as grey goo) is a hypothetical global catastrophic scenario involving molecular nanotechnology in which out-of-control self-replicating machines consume all biomass (and perhaps also everything else) on Earth while building many more of themselves, a scenario that has been called ecophagy(the literal consumption of the ecosystem). The original idea assumed machines were designed to have this capability, while popularizations have assumed that machines might somehow gain this capability by accident.
Self-replicating machines of the macroscopic variety were originally described by mathematician John von Neumann, and are sometimes referred to as von Neumann machines or clanking replicators. The term gray goo was coined by nanotechnology pioneer K. Eric Drexler in his 1986 book Engines of Creation. In 2004, he stated "I wish I had never used the term 'gray goo'." Engines of Creation mentions "gray goo" as a thought experiment in two paragraphs and a note, while the popularized idea of gray goo was first publicized in a mass-circulation magazine, Omni, in November 1986. (Full article...)
... that C/1990 K1 (Levy) was the first comet observed by the Hubble Space Telescope, but only short exposures were obtained as the telescope was not yet able to track Solar System bodies?
... that the 1962 space-age pop album Latin-esque was recorded with halves of the orchestra separated by almost a city block to heighten its stereo effects?
... that before getting their own office space, independent children's publisher Lollipop Power stored books "under beds, in attics, [and] under ping-pong tables"?
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Image 1The Leaning Tower of Pisa is the freestanding bell tower of the Cathedral of Pisa, Italy. The third oldest structure in the city's Square of Miracles, it is known worldwide for its unintended tilt. The tower's tilt began during construction in the 12th century, caused by an inadequate foundation on ground too soft on one side to properly support the structure's weight. The tilt gradually increased until the tower was stabilized (and the tilt partially corrected) by efforts in the late 20th and early 21st centuries. The tower, which measures 55.86 metres (183.27 feet) from the ground on the low side and 56.67 metres (185.93 feet) on the high side, has been listed as a UNESCO World Heritage Site since 1987.
Image 2One of two monkey selfies taken by Celebes crested macaques using equipment belonging to the British nature photographer David Slater. In mid-2014, the images' hosting on Wikimedia Commons was at the centre of a dispute over whether copyright could be held on artworks made by non-human animals. Slater argued that, as he had "engineered" the shot, he held copyright, while Wikimedia considered the photographs public domain on the grounds that they were made by an animal rather than a person. In December 2014, the United States Copyright Office stated that works by a non-human are not subject to US copyright, a view reaffirmed by a US federal judge in 2016.
Image 4A man engaging in big wave surfing at Mavericks, located just north of Half Moon Bay, California. Big wave surfing is a discipline within surfing in which experienced surfers paddle into or are towed onto waves which are at least 20 ft (6.1 m) high, and is a hazardous activity, as surfers can be pushed far beneath the surface of the water after a wipeout.
Image 5An animation of a cicada undergoing ecdysis, the molting of the exoskeleton in arthropods and related groups. Since the cuticula of these animals is inelastic, it is shed during growth and a new, larger covering is formed. The old, empty exoskeleton is called an exuvia. Within one or two hours, the cuticle hardens and darkens, during which time the animal grows, since growth is otherwise constrained by the rigidity of the exoskeleton. Each frame of this image was taken at one-minute intervals, with a 30-minute gap in middle while the cicada rested. The entire process took about 2 hours to complete.
Image 6San Francisco Bay shrouded in fog, as seen from the Marin Headlands looking east. The fog of San Francisco is a kind of sea fog, created when warm, moist air blows from the central Pacific Ocean across the cold water of the California Current, which flows just off the coast. The water is cold enough to lower the temperature of the air to the dew point, causing fog generation. In this photo, the towers of the Golden Gate Bridge can be seen poking through the fog, and the Bay Bridge is visible in the distance.
Image 10The Door to Hell is a natural gas field in Derweze, Turkmenistan, which has been burning since 1971 when it was ignited by Soviet scientists who expected it to burn out within days. They were trying to prevent the release of poisonous gases. The name "Door to Hell" was given to the field by locals. The hot spots range over an area with a width of 60 metres (200 ft) and to a depth of about 20 metres (66 ft).
Image 11Lucky Diamond Rich (b. 1971) is a New Zealand-born performance artist and street performer who holds the Guinness World Record for most tattooed man, taking the title from Tom Leppard in 2006. He is recognized by Guinness as being covered in tattoos over 100% of his body, including the inside of his eyelids, ears, and mouth.
Image 12A neutral density filter is a filter that reduces or modifies the intensity of all wavelengths or colors of light equally, giving no changes in hue of color rendition. The filter reduces the amount of light entering the lens, allowing the photographer to select combinations of aperture, exposure time and sensor sensitivity to avoid overexposed pictures. It would normally be attached to the lens, but is hand-held here to illustrate the effect.
Image 13The International Space Station (ISS) as seen from the Space Shuttle Endeavour. Zarya, the first module of the ISS launched in 1998, is seen in the foreground. Since then, twenty-six Space Shuttle flights have docked with the ISS to assemble various other modules and components, which include four pairs of solar arrays seen on each side.
Image 14An overhead view of Skylab, the United States' first space station, in Earth orbit as photographed from the Skylab 4 Command and Service Modules. Skylab 4 was the last mission to Skylab and brought back its final crew; this photograph was the last one taken of the station before the mission re-entered Earth's atmosphere and disintegrated in 1979.
Image 15The American Bison, or Buffalo, is the largest terrestrial mammal in North America, and once inhabited the Great Plains in massive herds. They were central to the lives of Native American tribes. This pile of bison skulls from the 1870s illustrates the extent of their slaughter in the 19th century by settlers: from a population of about 60 million in 1800 to as few as 750 in 1890. They have since been reintroduced into the wild and are no longer considered a high risk endangered species.
Image 16Glaucus atlanticus is a species of small, blue sea slug. This pelagic aeolid nudibranch floats upside down, using the surface tension of the water to stay up, and is carried along by the winds and ocean currents. The blue side of their body faces upwards, blending in with the blue of the water, while the grey side faces downwards, blending in with the silvery surface of the sea. G. atlanticus feeds on other pelagic creatures, including the Portuguese man o' war.
Image 17NGC 1300 is a barred spiral galaxy located roughly 69 million light-years away in the direction of the constellation Eridanus. In its core, the nucleus shows its own extraordinary and distinct "grand-design" spiral structure that is about 3,300 light-years long.
Image 18The Hubble Extreme Deep Field is an image of a small area of space in the constellation Fornax released by NASA on September 25, 2012. The successor to the Hubble Ultra-Deep Field, this image was compiled from 10 years of previous images with a total exposure time of two million seconds, or approximately 23 days.
Image 20Sandboarding is a boardsport similar to snowboarding, but competitions take place on sand dunes rather than snow-covered mountains. Here, a member of the US Navy sandboards down a dune in Jebel Ali, Dubai.
Image 21The Pinwheel Galaxy is a face-on spiral galaxy located 21 million light-years away in the constellationUrsa Major. It was first discovered by Pierre Méchain on March 27, 1781, and communicated to Charles Messier, who verified its position for inclusion in the Messier Catalogue as one of its final entries. This image, released on February 28, 2006, is composed of 51 individual exposures, as well as some extra ground-based photos. At the time of its release, it was the largest and most detailed image of a galaxy by the Hubble Space Telescope.
Image 22The sperm whale is the largest toothed animal on Earth. The species was hunted extensively by humans throughout history, until protected by a worldwide moratorium on whaling starting in 1985–86.
Image 26The Aqueduct of Segovia is a Roman aqueduct located in Segovia, Spain that transports water from the Rio Frio. It is thought to have been constructed during the 1st century CE. One of the most significant and best-preserved ancient monuments left on the Iberian Peninsula, the aqueduct is considered a symbol of Segovia and is present on the city's coat of arms.
Image 27A dust storm rushes towards a military camp as it rolls over Al Asad Airbase, Iraq, just before nightfall on April 27, 2005. A dust storm (or sandstorm) is a meteorological phenomenon common in dry, arid and semi-arid regions, usually the result of convection currents created by intense heating of the ground. These currents then carry clouds of sand over large distances.
Image 33The I-35W Mississippi River bridge was an eight-lane, steel truss arch bridge that carried Interstate 35W across the Saint Anthony Falls of the Mississippi River in Minneapolis, Minnesota. Once the third-busiest bridge in the state, it suddenly collapsed on August 1, 2007, killing 13 and injuring 145. Rescue of people stranded on the bridge was complete in three hours, while recovery of bodies—involving 75 local, state and federal agencies—took three weeks. An NTSB investigation cited a design flaw as the likely cause of the collapse, noting that a too-thin gusset plate ripped along a line of rivets.
Image 34A lava lake at Mount Nyiragongo, a volcano found in Virunga National Park in the Democratic Republic of the Congo. Lava lakes, which can form in three different ways, are large volumes of molten lava, usually basaltic, contained in a volcanic vent, crater, or broad depression. Persistent lava lakes such as the one at Nyiragongo, which is the largest to appear in recent times, are rare.
Image 38A swan created using modular origami, a paperfolding technique which uses two or more sheets of paper to create a larger and more complex structure than possible with single-piece origami techniques. Each individual sheet of paper is folded into a module, or unit, and then modules are assembled into an integrated flat shape or three-dimensional structure by inserting flaps into pockets created by the folding process. These insertions create tension or friction that holds the model together.
Image 41Imagine waking up to this. Which makes me wonder whatever happened to the guy who took this photo.
Image 42Devastation caused by Hurricane Katrina in New Orleans, Louisiana during 2005, shown here looking down on Interstate 10 at West End Boulevard towards Lake Pontchartrain. Over 1,800 people were confirmed dead with 705 still missing. It was the costliest Atlantic hurricane in history causing around $86 billion in damage. This photo shows flooded roadways as the United States Coast Guard conducted initial damage assessment overflights of New Orleans on Monday, August 29, 2005. The city flooded due primarily to the failure of the levee system. Many who remained in their homes had to swim for their lives, wade through deep water, or remain trapped in their attics or on their rooftops.
Image 44Crash landing of an F6F Hellcat into the port side 20mm gun gallery of the USS Enterprise, November 10, 1943. Lieutenant Walter L. Chewning, Jr., USNR, the Catapult Officer, is climbing up the plane's side to assist the pilot from the burning aircraft. The pilot, Ensign Byron M. Johnson, escaped without significant injury. Note the plane's ruptured belly fuel tank.
Gaza Strip doctors report that three infants have died due to hypothermia from inadequate shelter in displacement camps amid a decrease in outdoor temperatures. (Al Jazeera)
Kosovo's election appeals authority allows the Serb List party, a Serbethnic party, to participate in the upcoming election, stating that the party meets legal certification requirements. (AP)
Three people are killed by gunmen in Haiti opening fire at the journalists, police and medical staff at the reopening of the Port-au-Prince General Hospital. (BBC News)
Four participants in the November 2024 Amsterdam riots are sentenced to prison, with 32-year-old Sefa Ö handed the longest sentence of six months. (BBC News)
At least seven people are killed in Israeli airstrikes on a safe zone in al-Mawasi, Gaza. Several other attacks across the Gaza Strip kill at least 43 others. (Al Jazeera)
At least 50 people, mostly from the Zaghawa ethnic group, have been killed by the Rapid Support Forces in the past week in El Fasher, North Darfur State, Sudan. (Sudan Tribune)
Eleven people are killed, 45 others are injured and 37 vehicles are destroyed after an LPGtank truck catches fire and explodes after a speeding truck crashed into it in Jaipur, India. (The Statesman)
Eight people are killed and 18 others are rescued when a speedboat carrying migrants capsizes off the coast of Rhodes, Greece. (AP)
Australia agrees to provide Solomon Islands with financing, training, and infrastructure support worth AU$190 million (US$118 million) over four years to strengthen its police force as part of a renewed security partnership between the two countries. (France 24)
House SpeakerMike Johnson reintroduces a funding bill without Trump's debt ceiling suspension, stating that "we will not have a government shutdown". The bill, which will fund the government until March 2025, passes the House by a vote of 336–34 and will now go to the Senate. (The Washington Post)
Estonia says that it will not recognize the results of the upcoming presidential election in Belarus, which it claims has already been rigged to ensure that PresidentAlexander Lukashenko will be re-elected. (ERR)
Tip of the day April 21, 2006: Thanks for helping a newbie!
Filmcom 14:36, 23 February 2006 (UTC) I award this random acts of kindness Barnstar to Go for It! for being very helpful to a newcomer wikipedian, without being asked to.Filmcom 19:41, 23 February 2006 (UTC)
I just want to thank you for building on my tip and making it a true wikipedia tip of the day. I'm still learning a lot about how to do things around here, so your help was greatly appreciated! Keep up the great work, and keep on Going for it!
Smashing!
Smashing job on Tip of the day!You've done a great job getting the Tip of the Day off the ground. As a result, I think you deserve this! smurrayinchester(User), (Talk) 17:52, 9 March 2006 (UTC)
Barnstar
This Working Man's Barnstar is awarded to Go for it! for your tireless and diligent work on the reference desk templates! -- Natalya 19:37, 25 March 2006 (UTC)
Barnstar
For going above and beyond the call of duty at Esperanza/Admin coaching, I award you this Original Barnstar. Good work! --Fang Ailitalk 18:34, 1 November 2006 (UTC)
Award
The Random Acts of Kindness Barnstar
Your kindess was not random, because you were kind enough to listen to my requests to fix my userpage. Your major kindness will not be ignored, as this BarnStar is my token of appreciation! Kyo catmeow! 01:59, 24 November 2006 (UTC)
Awarded to User:The Transhumanist. Sometimes those who take on large areas of wikipedia organisation seem to be taken for granted, and this is just to show that your work is appreciated by the community. Khukri(talk . contribs) 09:56, 12 December 2006 (UTC)
Thanks so much for the hints in your userpage tutorial. . I am a new user and familiar with HTML markup, but not so with Wikimark up. Your userpage tutorial really helped! Real96 06:14, 23 January 2007 (UTC)
You're welcome. I'm glad you found it useful. If you see any way to improve it, by all means, please feel free to do so. The Transhumanist 06:36, 23 January 2007 (UTC)
as a near- noob, this is by far the most detailed and useful article on wikipedia for me! Excellent! I really wish I had a user page like this after two years...Snailey! 15:42, 14 March 2007 (UTC)
Barnstar
The Tireless Contributor Barnstar
For all your work with admin coaching, barnstar awarding, Wikipedia-expanding, and various administrative duties (if you can call all that political stuff we Wikipedians must wade through such a name), I, Sharkface217, hereby award you this Tireless Contributor Barnstar. Good job. S h a r k f a c e 2 1 7 19:36, 5 May 2007 (UTC)
Just a few words...
TT, my friend, my mop would never have been gained without your incredible expertise. My kindest regards to you, and drop by as often as possible! Now, a little token of my appreciation...
The Golden Wiki Award; This, the Golden Wiki Award, the highest attainment level of awards and barnstars, goes to you - The Transhumanist - for being one of the most helpful, kind, resourceful and generous Wikipedians I've had to utmost fortune to meet. Your contributions around the Wiki - at the WikiClassroom, in Dispute Resolution, at the Welcoming Committee, but most of all being a genuinely fun guy, are an amazing feat, and if half the trolls I'll undoubtedly meet after gaining my mop (thanks to you) took a leaf from your book, Wikipedia would be a nicer place.
My kindest possible regards, Anthony 21:38, 6 May 2007 (UTC)
Barnstar
What a Brilliant Idea Barnstar
I award you this Brilliant Idea Barnstar for helping others to earn Barnstars and awards through your Award Center! • The Giant Puffin • 13:31, 3 June 2007 (UTC)
Award
Hello The Transhumanist, (Hold on, can I say that or is it "Hello Transhumanist")
I was going to give you an award but there wasn't one good enough, so I made one better than any that has ever been seen before - This message. Yes, yes, I know, you don't think your worthy of it, but I assure you, you are the only one good enough for it - Pheonix 19:34, 12 August 2007 (UTC)
A Help:Contents Barnstar
The Tireless Contributor Barnstar
As the top contributor to Help:Contents, you deserve this barnstar. Thank you! Jreferee(Talk) 05:59, 23 August 2007 (UTC)
Barnstar
The Original Barnstar
For taking up the challenge and improving my command page, I, Sharkface217, hereby award you this Original Barnstar. Another feather in the Transhumanist cap, eh? :-P
You deserve a barnstar for your efforts. I can't think of anyone who has contributed more to Wikipedia, except maybe Jimbo. I'm not sure where to put this on your frontpage, so here it is:
Hi There
First id like to thank you immensly for your pages about creating a decent userpage!! They are great and I would be lost without them!! Just one question, On my userpage i have a small welcome banner up the top. How do I make this text larger and change the font? Sorry if you have already covered this somewhere. Thanks in advanceCstubbies (talk) 12:40, 19 January 2008 (UTC)
A valuable service
I think you need recognition for doing the job of ten other editors, and doing it out of altruism and genuine belief in Wikipedia. Not many editors here have the same good attitude and provide the same service as you - I don't have any specific point to put across, but I thought you should just be prodded and reminded that you do a lot of good around here, in the hope you'll keep it up. Kudos! Seegoon (talk) 17:43, 25 January 2008 (UTC)
Just a note, I've made a minor update to your contributions. To reiterate my edit summary, you put in a tonne of effort there, and you deserve to be credited for it :) Feel free to revert, nonetheless. Regards, AGK (contact) 16:44, 29 February 2008 (UTC)
Hi there TTH, Just wanted to thank you for your labors on this page, which is a great resource for us. Bill Wwheaton (talk) 17:48, 29 February 2008 (UTC)
You'd better hope there is a humour barnstar
... because you just gave me the biggest laugh in weeks. Good stuff giving that RfA spammer what-for here. αѕєηιηєt/c 22:03, 1 March 2008 (UTC)
The deletion review was approved for recreation: Wikipedia:Deletion review/Log/2008 March 10. Just letting you know, in case you weren't watchlisting it. I'm not sure what you have to do next to get the old version undeleted though (if that's what you wanted :) Nice catch on rescuing that grouping. -- Quiddity (talk) 00:21, 17 March 2008 (UTC)
'Tis for you
The Random Acts of Kindness Barnstar
I've noticed the extra mile you've gone to help a new user, and I wanted you to know it hasn't gone unnoticed. Keep up the good work! Keeper | 76 | Disclaimer 16:40, 5 April 2008 (UTC)
Barnstar
The Random Acts of Kindness Barnstar
I award this barnstar to The Transhumanist, for being patient and taking four rounds of references from me, until they were all valid. LAAFan 01:21, 17 June 2008 (UTC)
The Random Acts of Kindness Barnstar
I award this barnstar to The Transhumanist, for putting funny stuff on his discussion page which led me to copy them and put some of those funny stuff on my website. Thanks. Emir34 01:21, 17 June 2008 (UTC)
Hi Transhumanist, I wanted to note that I saw all of your work on the List of Basic France topics, and I appreciate it! Lazulilasher (talk) 02:12, 8 August 2008 (UTC)
From Zach...
The da Vinci Barnstar
For helping me so many times. and for my wonderful userpage. Cheers, Zacharycrimsonwolf 04:08, 30 September 2008 (UTC)
For helping me to find resources on humanism, which I will hopefully be able to use to improve the articles on it here as well! Scapler (talk) 02:39, 11 November 2008 (UTC)
Happy Transhumanist's Day!
The Transhumanist has been identified as an Awesome Wikipedian, so I've officially declared today as Transhumanist's Day! For your incredible organization and leadership skills, enjoy being the star of the day, dear The Transhumanist!
The Transhumanist has been identified as an Awesome Wikipedian,
and therefore, I've officially declared today as The Transhumanist's day!
For your history of dedicated work to the project,
enjoy being the Star of the day, The Transhumanist!
It's about time you deserve a barnstar for all your contributions to outlines on Wikipedia, and also for being the promoter that you are for outlines. If it wasn't for you we might not have outlines as they are, so it is my honor to present to you the Special Barnstar because no other barnstar could merit what you do for outlines on Wikipedia. :-) Burningview (talk) 03:42, 8 August 2009 (UTC)
The Special Barnstar
This barnstar is presented to Transhumanist for all the hard work, contributions, coordination, and promotion he does in advancing the idea, coverage, content, and quality of Outlines on Wikipedia. For this he deserves a Special Barnstar Burningview (talk) 03:42, 8 August 2009 (UTC)
Well done
The Special Barnstar
This award is in appreciation of the excellent work you have done supporting the development of Outlines on Wikipedia Thruxton (talk) 18:59, 5 December 2010 (UTC)
Made me laugh
You once said in a AFD: "If you are building a robot, you can start with just the left pinky." I love that. Happy New Year! Jerrydelusional ¤ kangaroo 20:34, 31 December 2010 (UTC)
another thanks
I appreciate you pointing me in the direction of a formatted signature. For some reason I couldn't find any reference to how it is done in the years I have been here. Cheers. ◦◦derekbd◦◦my talk◦◦ 12:16, 4 June 2011 (UTC)
Impressed
I just wanted to tell you (probably not the 1st ^^ ) that your are an incredible wikipedia member, your userpage is simply amazing and your contribution is...gigantic? huge? Incredible? not for the number edits (still high) but rather over the appropriateness of the things that you have created, especially the outline project. I wont give you another award, you already have billions, but simply a modest "Bravo!". --Offiikart (Talk) 05:23, 21 June 2011 (UTC)
Thanks
Hi, thanks a lot for the barnstar, you are truly a user with whom it is pleasant to interact. I greatly appreciate your help, your tips and you recognition on the work done, even if only very minimal compared to the work you have done.
I think you, more than everyone else, deserve a special recognition. Here is the first Barnstar I ever awarded :
The WikiProject Barnstar
To The Transhumanist who created the outline project and tirelessly continues to improve it. A special thanks for your help and your recognition. OffiikartTalk 13:54, 29 June 2011 (UTC)
ps. I did put the page alert on my watchlist
A barnstar for you!
The Original Barnstar
Your fine contributions are not overlooked. You are a quality editor, and we are so glad you are here. Thanks to the user:Transhumanist! Pinkstrawberry02™ talk 01:49, 13 October 2011 (UTC)
Note to user getting this message: Please respond on Pinkstrawberry02's talk page. If for some reason you cannot, please send them a {{talkback}} and reply on your own talk page. Thanks for your understanding in this manner. See ya around the wiki!
Thanks so much for your work on the Outline of domestic violence, it is so much better that it's astounding how far it's come along. Thanks for making my first outline "sing"! CaroleHenson (talk) 11:11, 21 November 2011 (UTC)
You're first one? Wonderful! I can't wait to see what you come up with next. And I also look forward to seeing what you have in store for this outline. Thank you for the barnstar. It's very nice to feel appreciated. The Transhumanist 22:10, 21 November 2011 (UTC)
A barnstar for you!
The Original Barnstar
Wow! Thanks for your help on the Future studies project. I can't believe all the pages you've contributed to, but glad you found ours!... RealFuturist (talk) 17:09, 3 February 2012 (UTC)
Many years ago, back before I had created my current account, I created a humble little userspace navigation menu based off of two of your menus from the User Page Design Center (initially 15, but ultimately 6). Over the years it has grown, but I don't know if I ever would have started it without seeing your menus first. I just want to thank you for putting the effort into creating those menus and then sharing them at the Design Center where they have been helpful for people like me. I hope you don't mind me borrowing from your hard work! Thanks again and take care! Michael Barera (talk) 03:30, 13 January 2013 (UTC)
Thank you
The Instructor's Barnstar
This Barnstar is awarded to Wikipedians who have performed stellar work in the area of instruction & help for other editors. Just wanted to stop by and say this edit was something I wanted to do but simply did not have the "kahunas" to do so. Thank you for the bold edit :-)Moxy (talk) 07:25, 13 February 2013 (UTC)
At Tip-Of-The-Day: Thank you for your updates & guidance!
Do have an e-cookie and enjoy! Greetings The Transhumanist,
Want to let you know the value of your insights & feedback! Regards, JoeHebda (talk) 21:53, 19 October 2015 (UTC)
Thank you. Keep up the good work. The Transhumanist 16:50, 21 October 2015 (UTC)
Pony!
Pony!
Congratulations! For all your hard work on redirect repair at Glossary of North American horse racing and general wikignoming along the way of articles such as Easy Goer, you have received a pony! Ponies are cute, intelligent, cuddly, friendly (most of the time, though with notable exceptions), promote good will, encourage patience, and enjoy carrots. Treat your pony with respect and he will be your faithful friend! We need more wikipedia editors like you! Montanabw(talk) 02:22, 1 November 2015 (UTC)
To send a pony or a treat to other wonderful and responsible editors, click here.
Thank you for being one of Wikipedia's top medical contributors!
please help translate this message into the local language
The Cure Award
In 2015 you were one of the top 300 medical editors across any language of Wikipedia. Thank you from Wiki Project Med Foundation for helping bring free, complete, accurate, up-to-date health information to the public. We really appreciate you and the vital work you do! Wiki Project Med Foundation is a user group whose mission is to improve our health content. Consider joining here, there are no associated costs, and we would love to collaborate further.
Hi there! I just wanted to let you know that I think your planet outlines are really cool. I have long thought it was a shame that only Wikipedians seem to know about Books or Portals, because they are really great tools for structuring knowledge (while everyone loves diving down the Wikipedia rabbit hole, we could really do with some better content organization). The outlines strike me as a great way to bring that sort content organization to mainspace, where it will actually reach a large number of readers. I notice that I am the first one to edit them besides yourself, and I hope you know that I do so with love.
What a Brilliant Idea Barnstar
Great idea with the outline articles - a great solution to a need for better mainspace-based content structuring! I see from WP:Outlines that you actually came up with this concept some years ago, but this is the first I've noticed it. A2soup (talk) 02:46, 8 February 2017 (UTC)
A Barnstar for you!
The Portal Barnstar
The Portal Barnstar is awarded to Wikipedians who have made significant contributions to topic portals. Awarded to Transhumanist for his overly enthusiastic efforts regarding the portal system and WikiProject Portals. – Lionel(talk) 11:02, 30 April 2018 (UTC)
Transhumanist, thank you for your extraordinary efforts on behalf of portals. It reminds me of the time when a series of attacks on scientific bibliographies led to the formation of WikiProject Bibliographies. I don't understand why your detractors are so passionate about deleting portals, but your actions have been a model for how to deal with an attack constructively. RockMagnetist(talk) 16:10, 5 May 2018 (UTC)
A Barnstar for you!
The Article Rescue Barnstar
May all who see this barnstar know that The Transhumanist made a valiant and commendable effort for defending the portal namespace from deletion. It preserved countless hours of work initially invested into creating the content. Moreoever, The Transhumanist, is doing a yeoman's job in attempting to improve the content within with portal namespace. RightCowLeftCoast (talk) 00:24, 26 May 2018 (UTC)
@RightCowLeftCoast: Thank you. I feel honored. Please keep in mind that I have not been working alone. Credit goes to the nearly 400 editors who came forward to speak up for the keeping of portals. And although the RfC to delete all portals is over, the job of defending portals from deletion is not. For the portal namespace to be retained in the long term, the portals in it will need to be improved to a worthy quality level, otherwise we may see more deletion attempts. This task is far more than a single editor can handle. Fortunately, many editors have come forward to meet the challenge. Working to develop portals and the entire portal system, is a team of 80 editors who are diligently redesigning, upgrading, updating, and maintaining portals. They are the members of the Portals WikiProject, and without them there might be no portals. They are doing a wonderful job, and I am very proud of them. Thank you. — The Transhumanist 17:22, 26 May 2018 (UTC)
Thank you for your thoughts and efforts regarding portals, for the concept of outlines, for sectional redirects, for articles such as Life Extension Foundation, for service from 2006, including portal philosophy and user page design center, - repeating (1 & 4 June 2009): you are an awesome Wikipedian!
Thank you. I looked, but couldn't figure out what 1 & 4 June 2009 were referring to. Just curious. — The Transhumanist 19:26, 4 June 2018 (UTC)
Follow the link "awesome W." and look for your name: 2 others said it before me! --Gerda Arendt (talk) 09:48, 5 June 2018 (UTC)
Executive director of portals
The Portal Barnstar
Not sure if a simple barnstar can express the communities gratitude to the portal work that you're doing. Your an indispensable member of our community. Moxy (talk) 18:08, 7 June 2018 (UTC)
Moxy, thank you. I'm honored, and I receive this praise for the team, without whom there would be very little progress on portals. They are literally transforming them into something new. I'm glad to be a part of that. — The Transhumanist 18:20, 7 June 2018 (UTC)
A Barnstar for you
The Portal Barnstar
The Portal Barnstar is awarded to Wikipedians who have made significant contributions to topic portals. Thanks for the great work you have been doing in the WikiProject.Dreamy Jazztalk | contribs 22:15, 4 July 2018 (UTC)
You are welcome, formerly Wpgbrown. Nice new name. ;) — The Transhumanist 10:26, 6 July 2018 (UTC)
A barnstar for you!
The Technical Barnstar
Good to see others of the view we have as to the need to know more. Im a research person here just of this week and your views relate to my work here. take care.
For your excellent work on Portals. Everyday the portal project improves. Your dedication and willingness to get people involved really pays off. Cannot wait to continue working with you and the Portal team. Thank you for your work. AmericanAir88(talk) 00:30, 30 October 2018 (UTC)
A barnstar for you!
The Random Acts of Kindness Barnstar
Thank you for helping me in my first attempt in creating a portal page ‑‑V.S.(C)(T) 10:51, 23 December 2018 (UTC)
For your tireless dedication to creating, maintaining, and improving portals, as well as your active involvement in making improvements to the system of portals itself. I'm sorry to hear that you're temporarily unable to create them, but your work is greatly appreciated 🙂 Brendon the Wizard✉️✨ 14:17, 23 March 2019 (UTC)
A Barnstar for you
The Original Barnstar
message Ambuj Shukla 19:16, 2 November 2019 (UTC)
You have made immense contributions to outlines over the years, and have encouraged many more Wikipedians to follow your lead. The impact of your contributions are great. Keep doing the good work! — Preceding unsigned comment added by Ambujshukla2004 (talk • contribs) 19:16, 2 November 2019 (UTC)
Hello The Transhumanist, you are receiving this award for the creation and continued dedication to WikiProject Outlines. You deserve this barnstar more than anyone. Jerium (talk) 19:18, 12 November 2023 (UTC)
A barnstar for you!
The Barnstar of Good Humor
I appreciate you reviving the User page design center! I used this when I was new. Also, everyone has a phases where they religiously obsess over their user page (especially userboxes), and this tool is a good way to show them how to have fun with it. Panini!•🥪 23:59, 2 June 2024 (UTC)
Associated Wikimedia
The following Wikimedia Foundation sister projects provide more on this subject:
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The Leaning Tower of Pisa is the freestanding bell tower of the Cathedral of Pisa, Italy. The third oldest structure in the city's Square of Miracles, it is known worldwide for its unintended tilt. The tower's tilt began during construction in the 12th century, caused by an inadequate foundation on ground too soft on one side to properly support the structure's weight. The tilt gradually increased until the tower was stabilized (and the tilt partially corrected) by efforts in the late 20th and early 21st centuries. The tower, which measures 55.86 metres (183.27 feet) from the ground on the low side and 56.67 metres (185.93 feet) on the high side, has been listed as a UNESCO World Heritage Site since 1987.
One of two monkey selfies taken by Celebes crested macaques using equipment belonging to the British nature photographer David Slater. In mid-2014, the images' hosting on Wikimedia Commons was at the centre of a dispute over whether copyright could be held on artworks made by non-human animals. Slater argued that, as he had "engineered" the shot, he held copyright, while Wikimedia considered the photographs public domain on the grounds that they were made by an animal rather than a person. In December 2014, the United States Copyright Office stated that works by a non-human are not subject to US copyright, a view reaffirmed by a US federal judge in 2016.
Atlantic White-sided Dolphins, on a concrete-floored dock at the port of Hvalba, which is in the Faroe Islands, north of the United Kingdom. Whaling in the Faroe Islands has been practised since at least the 10th century. It is strongly regulated by Faroese authorities and is approved by the International Whaling Commission.
A man engaging in big wave surfing at Mavericks, located just north of Half Moon Bay, California. Big wave surfing is a discipline within surfing in which experienced surfers paddle into or are towed onto waves which are at least 20 ft (6.1 m) high, and is a hazardous activity, as surfers can be pushed far beneath the surface of the water after a wipeout.
An animation of a cicada undergoing ecdysis, the molting of the exoskeleton in arthropods and related groups. Since the cuticula of these animals is inelastic, it is shed during growth and a new, larger covering is formed. The old, empty exoskeleton is called an exuvia. Within one or two hours, the cuticle hardens and darkens, during which time the animal grows, since growth is otherwise constrained by the rigidity of the exoskeleton. Each frame of this image was taken at one-minute intervals, with a 30-minute gap in middle while the cicada rested. The entire process took about 2 hours to complete.
San Francisco Bay shrouded in fog, as seen from the Marin Headlands looking east. The fog of San Francisco is a kind of sea fog, created when warm, moist air blows from the central Pacific Ocean across the cold water of the California Current, which flows just off the coast. The water is cold enough to lower the temperature of the air to the dew point, causing fog generation. In this photo, the towers of the Golden Gate Bridge can be seen poking through the fog, and the Bay Bridge is visible in the distance.
Crowds surrounding the Reflecting Pool, during the August 28 1963 March on Washington for Jobs and Freedom. An estimated 200,000 to 500,000 people participated in the march, which featured Martin Luther King Jr.'s famous "I Have a Dream" speech. It was a major factor leading to the passage of the Civil Rights Act of 1964 and the 1965 Voting Rights Act. The march was also condemned by the Nation of Islam and Malcolm X, who termed it the "farce on Washington".
Burj Khalifa is a skyscraper in Dubai, United Arab Emirates, and currently the tallest man-made structure in the world, at 829.8 m (2,722 ft). It was designed to be the centerpiece of a large-scale, mixed-use development known as Downtown Dubai. Construction took over five years, and the skyscraper was officially opened in January 2010.
The Door to Hell is a natural gas field in Derweze, Turkmenistan, which has been burning since 1971 when it was ignited by Soviet scientists who expected it to burn out within days. They were trying to prevent the release of poisonous gases. The name "Door to Hell" was given to the field by locals. The hot spots range over an area with a width of 60 metres (200 ft) and to a depth of about 20 metres (66 ft).
Lucky Diamond Rich (b. 1971) is a New Zealand-born performance artist and street performer who holds the Guinness World Record for most tattooed man, taking the title from Tom Leppard in 2006. He is recognized by Guinness as being covered in tattoos over 100% of his body, including the inside of his eyelids, ears, and mouth.
A neutral density filter is a filter that reduces or modifies the intensity of all wavelengths or colors of light equally, giving no changes in hue of color rendition. The filter reduces the amount of light entering the lens, allowing the photographer to select combinations of aperture, exposure time and sensor sensitivity to avoid overexposed pictures. It would normally be attached to the lens, but is hand-held here to illustrate the effect.
The International Space Station (ISS) as seen from the Space Shuttle Endeavour. Zarya, the first module of the ISS launched in 1998, is seen in the foreground. Since then, twenty-six Space Shuttle flights have docked with the ISS to assemble various other modules and components, which include four pairs of solar arrays seen on each side.
An overhead view of Skylab, the United States' first space station, in Earth orbit as photographed from the Skylab 4 Command and Service Modules. Skylab 4 was the last mission to Skylab and brought back its final crew; this photograph was the last one taken of the station before the mission re-entered Earth's atmosphere and disintegrated in 1979.
The American Bison, or Buffalo, is the largest terrestrial mammal in North America, and once inhabited the Great Plains in massive herds. They were central to the lives of Native American tribes. This pile of bison skulls from the 1870s illustrates the extent of their slaughter in the 19th century by settlers: from a population of about 60 million in 1800 to as few as 750 in 1890. They have since been reintroduced into the wild and are no longer considered a high risk endangered species.
Glaucus atlanticus is a species of small, blue sea slug. This pelagic aeolid nudibranch floats upside down, using the surface tension of the water to stay up, and is carried along by the winds and ocean currents. The blue side of their body faces upwards, blending in with the blue of the water, while the grey side faces downwards, blending in with the silvery surface of the sea. G. atlanticus feeds on other pelagic creatures, including the Portuguese man o' war.
NGC 1300 is a barred spiral galaxy located roughly 69 million light-years away in the direction of the constellation Eridanus. In its core, the nucleus shows its own extraordinary and distinct "grand-design" spiral structure that is about 3,300 light-years long.
The Hubble Extreme Deep Field is an image of a small area of space in the constellation Fornax released by NASA on September 25, 2012. The successor to the Hubble Ultra-Deep Field, this image was compiled from 10 years of previous images with a total exposure time of two million seconds, or approximately 23 days.
Tracy Caldwell Dyson in the Cupola module of the International Space Station, observing the Earth below during Expedition 24. Caldwell Dyson is an American chemist and astronaut. She was selected by NASA in 1998 and made her first spaceflight in August 2007 on the STS-118 mission aboard Space Shuttle Endeavour.
Sandboarding is a boardsport similar to snowboarding, but competitions take place on sand dunes rather than snow-covered mountains. Here, a member of the US Navy sandboards down a dune in Jebel Ali, Dubai.
The Pinwheel Galaxy is a face-on spiral galaxy located 21 million light-years away in the constellation Ursa Major. It was first discovered by Pierre Méchain on March 27, 1781, and communicated to Charles Messier, who verified its position for inclusion in the Messier Catalogue as one of its final entries. This image, released on February 28, 2006, is composed of 51 individual exposures, as well as some extra ground-based photos. At the time of its release, it was the largest and most detailed image of a galaxy by the Hubble Space Telescope.
The sperm whale is the largest toothed animal on Earth. The species was hunted extensively by humans throughout history, until protected by a worldwide moratorium on whaling starting in 1985–86.
View from Notre-Dame de Paris.
A Marginated Tortoise hatchling.
The Aqueduct of Segovia is a Roman aqueduct located in Segovia, Spain that transports water from the Rio Frio. It is thought to have been constructed during the 1st century CE. One of the most significant and best-preserved ancient monuments left on the Iberian Peninsula, the aqueduct is considered a symbol of Segovia and is present on the city's coat of arms.
A dust storm rushes towards a military camp as it rolls over Al Asad Airbase, Iraq, just before nightfall on April 27, 2005. A dust storm (or sandstorm) is a meteorological phenomenon common in dry, arid and semi-arid regions, usually the result of convection currents created by intense heating of the ground. These currents then carry clouds of sand over large distances.
aurora australis, as seen from the International Space Station. Aurorae are natural light displays in the sky caused by the collision of energetic charged particles with atoms in the high altitude thermosphere. The particles originate in the magnetosphere and solar wind and, on Earth, are directed by Earth's magnetic field into the atmosphere.
The mushroom cloud caused by the detonation of the "Fat Man" bomb during the atomic bombing of Nagasaki, Japan in 1945, rising approximately 18 kilometres (11 mi) above the hypocenter.
United States Navy personnel engage in Special Patrol Insertion/Extraction (SPIE) training between a Sikorsky SH-60 Seahawk helicopter and the USS Dwight D. Eisenhower (CVN-69). SPIE involves either a person or goods being lowered from or raised to a helicopter via a cable above terrain on which landing would be difficult.
The "Baker" explosion, part of Operation Crossroads, a nuclear weapon test by the United States military at Bikini Atoll, Micronesia, on July 25, 1946. Its purpose was to test the effect of nuclear weapons on naval ships. It was the second US nuclear bomb set off since the bombing of Nagasaki.
The I-35W Mississippi River bridge was an eight-lane, steel truss arch bridge that carried Interstate 35W across the Saint Anthony Falls of the Mississippi River in Minneapolis, Minnesota. Once the third-busiest bridge in the state, it suddenly collapsed on August 1, 2007, killing 13 and injuring 145. Rescue of people stranded on the bridge was complete in three hours, while recovery of bodies—involving 75 local, state and federal agencies—took three weeks. An NTSB investigation cited a design flaw as the likely cause of the collapse, noting that a too-thin gusset plate ripped along a line of rivets.
A lava lake at Mount Nyiragongo, a volcano found in Virunga National Park in the Democratic Republic of the Congo. Lava lakes, which can form in three different ways, are large volumes of molten lava, usually basaltic, contained in a volcanic vent, crater, or broad depression. Persistent lava lakes such as the one at Nyiragongo, which is the largest to appear in recent times, are rare.
The mushroom cloud from the Ivy Mike nuclear test, one of two tests conducted as part of Operation Ivy at the Pacific Proving Grounds on Elugelab in the Marshall Islands. Mike was the first successful full-scale test of a multi-megaton thermonuclear weapon, and it left an underwater crater 6,240 ft (1,900 m) wide and 164 ft (50 m) deep where the island had been.
You are feeling very sleepy...
A swan created using modular origami, a paperfolding technique which uses two or more sheets of paper to create a larger and more complex structure than possible with single-piece origami techniques. Each individual sheet of paper is folded into a module, or unit, and then modules are assembled into an integrated flat shape or three-dimensional structure by inserting flaps into pockets created by the folding process. These insertions create tension or friction that holds the model together.
Height comparison of notable statues: 1) Statue of Unity 240 m. 2) Spring Temple Buddha 153 m. 3) Statue of Liberty 93 m. 4) The Motherland Calls 91 m. 5) Christ the Redeemer 39.6 m. 6) Statue of David 5.17 m.
Astronaut Buzz Aldrin saluting the flag of the United States, part of the Lunar Flag Assembly, during Apollo 11. The Lunar Flag Assembly was designed to survive a Moon landing and to appear to "wave" as it would in a breeze on Earth. This flag fell over when the Lunar Module Eagle took off.
Imagine waking up to this. Which makes me wonder whatever happened to the guy who took this photo.
Devastation caused by Hurricane Katrina in New Orleans, Louisiana during 2005, shown here looking down on Interstate 10 at West End Boulevard towards Lake Pontchartrain. Over 1,800 people were confirmed dead with 705 still missing. It was the costliest Atlantic hurricane in history causing around $86 billion in damage. This photo shows flooded roadways as the United States Coast Guard conducted initial damage assessment overflights of New Orleans on Monday, August 29, 2005. The city flooded due primarily to the failure of the levee system. Many who remained in their homes had to swim for their lives, wade through deep water, or remain trapped in their attics or on their rooftops.
The 2004 Indian Ocean earthquake was a magnitude 9.15, undersea earthquake that occurred at 00:58:53 UTC on December 26 2004. The earthquake generated a tsunami that killed more than 150,000 people around the Indian Ocean, making it one of the deadliest disasters in modern history. This photograph shows the tsunami as it reached Ao Nang, Thailand.
Crash landing of an F6F Hellcat into the port side 20mm gun gallery of the USS Enterprise, November 10, 1943. Lieutenant Walter L. Chewning, Jr., USNR, the Catapult Officer, is climbing up the plane's side to assist the pilot from the burning aircraft. The pilot, Ensign Byron M. Johnson, escaped without significant injury. Note the plane's ruptured belly fuel tank.
American astronaut Eugene Cernan (born March 14, 1934), shown here on the surface of the Moon during the Apollo 17 mission, the last time any human has set foot on it. In that final lunar landing mission, launched December 7, 1972, Cernan became "the last man on the moon" since he was the last to re-enter the Apollo Lunar Module during its third and final extra-vehicular activity. Prior to this, Cernan had also gone into space twice on the Gemini 9A and Apollo 10 missions.
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. I am a new user and familiar with HTML markup, but not so with Wikimark up. Your userpage tutorial really helped! Real96 06:14, 23 January 2007 (UTC)
X××x××pink×jellocreature××x××X (talk) 01:36, 20 December 2007 (UTC)
Offiikart (Talk) 05:23, 21 June 2011 (UTC)
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