Alessandro Volta was born in 1745, in Como (Lombardia). In the year 1800 (century XIX) started doing his experiments when Luigi Galvani discovered what two different metals and the frog muscle produces eletricity. Alessandro Volta discovered that two different metals (zinc and silver) and a cardboard with water also produces electricity. The voltaic pile consist of thirty discs separated by cardboard with water.
Present aplications: battery, lantern, toys, clocks, mobile telephone, mp3, camera, portable computer...
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