what device is used to store an electrical charge?
<answer> A Leyden jar, or Leiden jar, is a device that stores static electricity between two electrodes on the inside and outside of a glass jar. <context> A Leyden jar, or Leiden jar, is a device that stores static electricity between two electrodes on the inside and outside of a glass jar. A Leyden jar typically consists of a glass jar with metal foil cemented to the inside and the outside surfaces, and a metal terminal projecting vertically through the jar lid to make contact with the inner foil. It was the original form of a capacitor. It was invented independently by German cleric Ewald Georg von Kleist on 11 October 1745 and by Dutch scient