He was an Italian physicist known for the invention of the battery in the 1800s. In 1774, he became a professor of physics at the Royal School in Como. A year later, he improved and popularized the electrophorus, a device that produced static electricity. His promotion of it was so extensive that he is often credited with its invention, even though a machine operating on the same principle was described in 1762 by the Swedish experimenter Johan Wilcke.
In the years between 1776–78, He studied the chemistry of gases. He discovered methane, and Volta searched for it carefully in Italy. He devised experiments such as the ignition of methane by an electric spark in a closed vessel.
He invented the voltaic pile, an early electric battery, which produced a steady electric current. He had determined that the most effective pair of dissimilar metals to produce electricity was zinc and silver.
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