How a nuclear blast in the upper atmosphere could disable the power grid.

Correction: 10:32 I meant to say "earth's magnetic field," not "earth's gravity."Correction: A previous version of this video included a segment where I used a doorbell transformer to demonstrate core saturation. That model did not correctly demonstrate the phenomena I was describing, so I cut it from the video.This video is a summary of the EPRI study on the impacts that a high-altitude nuclear electromagnetic pulse (HEMP) would have on the US power grid.










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