It seems like every other day we hear about some hacker, tinkerer, maker, coder or one of the many other Do-It-Yourself engineer types getting their hands into a complex field once reserved to only a ...

Chalk is a fine-textured form of limestone. It is composed of several tiny fragments of the calcite shells or skeletons of ...

In chemistry, the chemical nomenclature of ionic and molecular compounds uses a systematic approach of prefixes to indicate ...

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