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The law of conservation of energy states that the total energy of an isolated system remains constant; it is said to be conserved over time. In the case...

The internal energy of a thermodynamic system is the energy of the system as a state function, measured as the quantity of energy necessary to bring the...

In theoretical physics, particularly in discussions of gravitation theories, Mach's principle (or Mach's conjecture) is the name given by Albert Einstein...

In mechanics, the normal force F n {\displaystyle F_{n}} is the component of a contact force that is perpendicular to the surface that an object contacts...

A satellite is said to occupy an inclined orbit around Earth if the orbit exhibits an angle other than 0° to the equatorial plane. This angle is called...

A latent image is an invisible image produced by the exposure to light of a photosensitive material such as photographic film. When photographic film is...

The General Coordinates Network (GCN), formerly known as the Gamma-ray burst Coordinates Network, is an open-source platform created by NASA to receive...

In solid-state electronics, silicon photomultipliers (SiPMs) are single-photon-sensitive devices based on single-photon avalanche diodes (SPADs) implemented...