Franklin's lightning experiment,1752

Numéro d’image : 11588208
Franklin's lightning experiment,1752
Franklin's lightning experiment. Historical artwork of the US scientist Benjamin Franklin (1706-1790) and his 21-year-old son William,performing their famous lightning experiment. On 15 June 1752 they flew a kite during a thunderstorm,with a metal wire on the kite attracting a lightning strike. Electricity flowed down the string to a key,charging a Leyden jar (capacitor) seen near Franklin's hand. This experiment proved that lightning was an electrical phenomenon,and supported Franklin's invention of lightning rods. Some scientists died repeating the experiment
Licence : Droits gérés
Crédit: Science Photo Library / Kulyk, Mehau
Taille de l’image : 3900 px × 4620 px
Model Release : Non requis
Property Release : Non requis
Restrictions : -

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