9. THE WORLD’S LARGEST LE­MON BAT­TERY

Focus-Science and Technology - - HISTORY -

In his 2016 lec­ture, ma­te­ri­als chemist Sai­ful Is­lam demon­strated that you can cre­ate volt­age with just a le­mon, a cop­per nail, a mag­ne­sium strip and a few wires. He then took 1,013 le­mons, cut them all in half, con­nected them to­gether, and cre­ated the world’s largest le­mon bat­tery. It was so large that it had to be filmed in the an­techam­ber out­side the lec­ture the­atre.

With ad­ju­di­ca­tors look­ing on, Is­lam set a Guin­ness World Record for the high­est volt­age pro­duced by a fruit bat­tery, clock­ing in at 1275.4V.

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