Physics and Chemistry

Chemical Elements

What is a philosopher’s stone?

A philosopher’s stone is the name of a substance believed by medieval alchemists to have the power to change baser metals into gold or silver. It had, according to some, the power of prolonging life and of curing all injuries and diseases. The pursuit of it by alchemists led to the discovery of several chemical substances; however, the magical philosopher’s stone has since proved fictitious.


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