Capacitor was invented by Ewald Georg von Kleist of Pomerania, Germany. He just found out that a charge could be stored by connecting a generator by a wire to a volume of water in hand-held jar. His hand and the water as conductors and the jar as dielectric. He found out that after removing the generator, touching the wire will result a spark. The following year, a Dutch Physicist invented a similar capacitor named Leyden Jar. Afterwards, Daniel Gralath was the first to combine several jars in parallel into a battery to increase the storage capacity.
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