Archive for coulomb

You are browsing the archives of coulomb.

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 […]