The American legend likely sprang from an article Franklin wrote for the Pennsylvania Gazette in 1752 describing a theoretical kite-lightning experiment. Supposedly, the genius of yore picked a stormy day to fly a silken kite, complete with a lightning rod and a key dangling on the end of the string. When the lightning struck the kite, the powerful bolt travelled down the string and charged the metal key. Franklin then touched the key and got zapped, thus proving the existence of electricity. To test the stunt, MythBusters Kari Byron, Grant Imahara and Tory Belleci reanimated Ben Franklin in the form of a ballistics gel dummy with a resistor nested in his torso to match a human’s natural electrical resistance. They also outfitted Ben with a heart monitor to detect the amount of electricity the shocking key sent into the fake body. Any reading above 6 milliamps — the maximum charge of the average stun gun — would mean Ben’s death sentence. As seen in “MythBusters: Franklin’s Kite.” Find out what happened. Learn more from Discovery Channel’s MythBusters.
MYTH: Did Ben Franklin Really Discover Electricity with a Kite and a Key?
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