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Aug 31, 2017 · Noting that a pointed metal needle could draw electricity from a charged metal sphere, Franklin became convinced that a metal rod could coax lightning from the sky. Why?
Aug 10, 2015 · To test Franklin’s hypothesis, naturalist Thomas-Francois Dalibard used a large metal pole to conduct electricity from lightning on May 10, 1752. In Dalibard’s writing of his Paris experiment, he...
Franklin's electrical experiments led to his invention of the lightning rod. He said that conductors with a sharp [ 177 ] rather than a smooth point could discharge silently and at a far greater distance.
Lightning Rod. Once Franklin had an understanding of the behavior of electricity, he set about to protect houses from the destructive forces of lightning. A lightning rod, simply, is a rod attached to the top of a building, connected to the ground through a wire.
Jul 1, 2021 · American statesman and inventor Benjamin Franklin has been associated with electricity for centuries. Thanks to a misunderstanding, a legend about him claims that he "discovered" electricity when he flew a kite, with a key attached, in a lightning storm.
His most famous experiment, of course, was flying a kite with a key attached to its string, proving that lightning carries an electrical charge (1752). By then, Franklin had already invented the lightning rod, which he primarily intended for use atop ships, not houses.
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Jan 1, 2006 · The discovery that thunderclouds contain electricity and that lightning is an electrical discharge revolutionized human perceptions of the natural world, and the invention of protective rods was a clear example of how basic, curiosity-driven research can lead to significant practical benefits.
