magnetism

The ancient Greeks, originally those near the city of Magnesia, and also the early Chinese knew about strange and rare stones (possibly chunks of iron ore struck by lightning) with the power to attract iron. A steel needle stroked with such a "lodestone" became "magnetic" as well, and around...

Description Einstein's Methods and his Research Einstein’s Methods John D. Norton Department of History and Philosophy of Science University of Pittsburgh 1 What can we know of how Einstein made his discoveries? 1905 Special relativity 1905 Light quantum 1905 Atoms/Brownian motion 1906...