How a nuclear blast in the upper atmosphere could disable the power grid.
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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 highaltitude nuclear electromagnetic pulse (HEMP) would have on the US power grid. It’s the first in a deepdive series of videos about largescale threats to the grid.

EPRI Study: https://www.epri.com/research/product...

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