History of the discovery of electricity: 1. Ancient observations (600 BC - 1600 AD): - Thales of Miletus: observed that amber attracts light objects when rubbed. - Pliny the Elder: described electric fish. - Medieval alchemists: observed electrical phenomena but could not explain them. 2. Scientific Foundations (1600-1750): - William Gilbert (1600): introduced the term “electrical“, investigated electrostatic phenomena. - Otto von Guericke (1672): created the first electrostatic generator. - Stephen Gray (1729): discovered electrical conductivity. - Charles Dufet (1733): distinguished two types of electricity (“glass“ and “tar“). 3- The Age of Experimentation (1750-1800): - Benjamin Franklin (1752): proved the electrical nature of lightning, invented the lightning rod. - Leiden Jar (1745): first capacitor invented by Peter van Musschenbroek. - Luigi Galvani (1780): discovered “animal electricity“. - Alessandro Volta
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