1780年11月,意大利著名解剖学家伽伐尼在厨房做菜时发现,当妻子用小刀接触到准备做菜用的青蛙腿的外部神经时,死蛙突然痉挛了几下。他注意到,离桌子不远处的地方,助手正在调试起电机,“会不会是起电机打火引起的呢?”但是,当伽伐尼启动起电机连续打火时,蛙腿并没有什么反应。 In November 1780, when Galvani, a famous Italian anatomist, cooked in the kitchen, he found that the dead frog spasmed suddenly when his wife touched the external nerve of the frog’s leg for cooking with a knife. He noticed that his assistants were commissioning the motor not far from the table, “would it be caused by a motor sparking?” "But when Galvani started the motor and started to fire, the frog legs And nothing happens.