I’ve always heard that electricity follows the shortest path – for instance, lightning will use your body for a conduit if you’re the tallest thing around. How exactly does that work?
In: Planetary Science
It doesn’t know the shortest path. It tries all possible paths. The path with the least resistance will get the most current.
Imagine a room full of people who are all crashing into each other and crashing off of the walls. At one end of the room is a wide open garage door, at the other end of the room is a narrow door that’s only wide enough for one person. Which door do you think more people will get bounced out of, the little door or the big door?
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