Alchemy was a form of early modern chemistry. Alchemists sought to create the so-called philosophers' stone in order to, among other goals, change metals such as lead into gold. For Newton and other ...

I have been writing a book about gold, including a chapter on the ancient art of alchemy. Alchemy is a paradox. On the one hand, it is bogus science. You cannot turn base metals into gold. A universal ...

A cartoon drawing shows a robed, bearded man with a pet weasel on his shoulder as he examines a piece of paper while sitting at a table containing a book, a flask, and a chunk of gold. Affirmation for ...

What secret alchemical knowledge could be so important it required sophisticated encryption? The setting was Amsterdam, 2019. A conference organized by the Society for the History of Alchemy and ...