Italian physicist Count Alessandro Volta (1745- 1827) at work in his laboratory. Volta was the first to show that an electrical current flowed when two dissimilar metals were brought into contact. In 1800 he constructed a device which used this effect to produce a large flow of electricity: the first battery. Bowls of salt solution were connected together by metal strips,each composed of copper at one end & tin or zinc at the other,and a current was produced. A compact version of this,using a stack of discs of copper,zinc & cardboard moistened with salt solution,became known as a "Voltaic pile" | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Charmet, Jean-Loup |
Bildgröße: | 3300 px × 5050 px |
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