In 1786 the whilst biologist Luigi Galvani was dissecting a frog. Each time his scalpel came into contact with the frogs leg it twitched. Galvani believed he had discovered a new kind of electricity and called it animal electricity.
Galvani’s friend Alessandro Volta disagreed he believed that the electricity was generated when two dissimilar metals were immersed in a liquid.Volta found in his experiments the most effective pair of dissimilar metals to produce electricity were zinc and silver.
He experimented with individual cells in series, each cell being a wine glass filled with brine into which the two electrodes were dipped. The voltaic pile replaced the goblets with cardboard soaked in brine.
In a letter dated March 20, 1800, addressed to Joseph Banks, who was the President of the Royal Society of London, Volta first reported the electric pile, allegedly the first electric battery,
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