Alchemy is an ancient art, originating in Egypt, that combines practical experiments and philosophical thinking around the nature of matter. While it’s often dismissed as quackery due to some of ...

In order to raise funds for important research, Sendivogius needed a day job. In 1594, he moved to Prague, where he gained a powerful position in the court of Emperor Rudolf II. Sendivogius rose in ...

This document, which Newton likely wrote in the mid-1670s, is part of an eight-page manuscript now housed at Yale University.* The manuscript contains extracts from Newton's favorite alchemist ...