#Classical element

Author: Tom Siegfried / Source: Science News Long before there was a periodic table of the elements, there was no need for a table — just four chairs. From ancient through medieval into early modern times, natural philosophers could count the known elements with the fingers of only one hand

Author: Robert Adams / Source: Dumb Little Man The ‘rule of four’ has been around for centuries. The first recorded reference to it was Empedocles’ four elements — Earth, Air, Fire and Water — which he related to the mythical gods that ruled the world 444 years B.C. Hippocrates, the great Greek