Lightning bell: Difference between revisions

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Revision as of 09:48, 26 October 2012 editBiscuittin (talk \| contribs)Autopatrolled, Pending changes reviewers69,374 edits add cat← Previous edit		Latest revision as of 21:08, 1 February 2023 edit undoQwerfjkl (talk \| contribs)Extended confirmed users, Page movers, Rollbackers212,893 editsm Converting {{Wikidata redirect}} to {{R with Wikidata item}}. {{Wikidata redirect}} should only be used on soft redirects.Tag: PAWS [2.1]
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	The lightning bell is an electrostatic device invented circa 1742 by ], Professor of Natural Philosophy at the University at Erfurt in Germany. The device converted electrical energy into mechanical energy in the form of a repeating mechanical motion. It consisted of two metal bells, one electrically connected to the earth (grounded) and the other connected to a lightning rod. Hanging between the two bells was a metallic ball suspended by an insulating (dielectric) thread. The lightning rod would allow an electical charge charge to build up on one bell which would then attract the metallic ball. When the ball hits this charged bell it becames charged to the same potential and immediately repelled. Since the grounded bell is charged oppositely, this attracted the ball towards it. When the ball touches and rings the grounded bell the charge is transferred and the process repeats.
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	In 1752 ] used the set-up to warn him of approaching thunderstorms. Althogh invented by Gordon, it is most often referred to as Franklin’s (lightning) bells.
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Latest revision as of 21:08, 1 February 2023

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