Home made Voltaic Pile

Home made Voltaic Pile

A graphic showing a homemade voltaic pile, constructed from alternating layers of aluminium foil, paper soaked in weak vinegar or salt water and a 2p coin. Four such cells will light an LED.

The voltaic pile was the first electrical battery that could continuously provide an electrical current to a circuit. It was invented by Alessandro Volta, who published his experiments in 1800.

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