Franklin's kite experiment. 1752 illustration of Benjamin Franklin flying a kite in an electrical storm. Franklin (1706-1790) was one of the Founding Fathers of the United States. He proposed and may have conducted experiments with a kite in a thunderstorm to show that lightning is electricity. This led to his invention of the lightning rod to protect buildings from lightning strikes. He also invented fins for swimming, bifocal glasses, a urinary catheter and showed that evaporation cooled objects. He helped shape the American Revolution and was a signatory of the US Declaration of Independence.
July 24th, 2016
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