I have retired, and i am corresponding with a friend england ant the royal society, peter collinson. And he sends me a wonderful new invention from the university of leyden lyden, known as leyden jar. As i remember fom my physics training, it's a jar that's sort of electrically insulated from what’s around it,. But theyre metal sheets inside of it, that element that if they become charged, they just sort of resist each other. So in a way, it has trapped electricity in the volume.

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