In 1836 Michael Faraday observed that the charge on a charged conductor resided only on its exterior and had no influence on anything enclosed within it. To demonstrate this fact he built a room coated with metal foil and allowed high-voltage discharges from an electrostatic generator to strike the outside of the room. He used an electroscope to show that there was no electric charge present on the inside of the room's walls. This is a modern example of a Faraday Cage.
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It seems hard to believe that he is making the sounds for that song by just moving his body. I'm not sure if that part is true, but it's still cool!!!!!!!!!
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