Archive for static electricity

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1786 – electrical stimulation

In 1786, in Bologna Italy, Luigi Galvani noticed that the muscles of a dead frog twitched when they came in contact with a metal probe and there were sparks visible between the probe and the frog muscle. Galvani made the assumption that the sparks came from the frog muscle. His associate, Alessandro Volta disagreed with […]

1663 – friction electric generator

In 1663, Otto von Guericke invented the first known generator that produced electricity through friction by rubbing a pad against a large ball of sulphur. PRECURSOR: -0624 – Thales 1269 – Epistola de Magnete – Peregrinus 1600 – de Magnete – Gilbert SUBSEQUENT: 1737 – Galvani (born) 1745 – Volta 1746 – Leyden jar 1752 […]

1746 – Leyden jar

A leyden jar is a device that stores static electricity in a glass jar with some kind of conductor/electrode inside the jar to store the charge and some kind of electrode outside the jar to enable charging and discharge. A simple form of the leyden jar is often constructed with a piece of folded tin […]