Recording radio with the light of a burning hot dog

Can you record audio without a microphone, using a high speed video camera, a hot dog, and an AM radio tower?

MASSIVE thanks to Gavin, who came all the way to St. Louis to film this. Make sure you check out the ‪@theslowmoguys‬ video with tons of gorgeous high-speed footage:    • Why You Shouldn't Touch a Radio Tower at 2...  

And check out the GitHub repo with all the code: https://github.com/geerlingguy/audio-...

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Contents:

00:00 - A 90 decibel hot dog
01:35 - Theory
02:15 - Tested with a blinky LED
04:47 - Meet the Meats
05:44 - Two problems and a glizzy
07:27 - Hot dog, not hot dog
08:08 - Plasma into sound with OpenCV
09:01 - Other plasma adventures