The process of manufacturing gallium-doped solar panels was under a patent until last year. It’s only now that this method has started to pick up steam.
Feeling blue? An Oppenheimer Blue diamond of 14.62 carats.
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Some diamonds come from depths of more than 650km. Tiny imperfections in these gems give us clues about what’s happening in Earth’s hidden geological layers.
Boron is often ignored, but it’s got a lot of important qualities.
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