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a. per, with pieces of cardboard soaked in brine be- with pieces per, electricaltween the metals, the voltaic pile produced used to car- current. The metallic conducting arc was Alessandrory the electricity over a greater distance. In 1774, he was appointed professor of physicsIn 1774, he was in Como. While at the Royalat the Royal School School in 1774: a device that producedthe electrophorus, years at Como, he studied andstatic electricity. For atmospheric electricity by ignit- experimented with was ap- 1779, Alessandro Volta ing static sparks. In of Pa- pointed professor of at the University his mostvia and it was while there that he invented famous invention, the voltaic pile. In 1800, the Italian Alessandro Volta built Alessandro Volta the Italian scientist In 1800, the first practical pile and discovered the voltaic also Count Volta generating electricity. method of and meteorology in , made discoveries is famous invention, however, pneumatics. His most the first battery.

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