Lightning

I recently read an article about an individual that had been struck by lightning, while it was interesting to read about the experience it was disturbing to read some of the comments that followed and their gross misunderstanding of lightning.In particular the following comment illustrates the problem.Lightning happens when a really huge negative charge builds up in the ground, corresponding to a positive charge overhead, and the differential becomes sufficient to jump the gap. (and, as others are pointing out repeatedly, air is an excellent insulator, so it takes a whacking huge voltage differential to make the arc.) read more

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