Wait until you learn that AM radio can broadcast in metal structures without an additional power source, such as heavy steel ventilation ducts in old houses.
The metal acts as a receiver and the shape makes it a speaker.
Or this. https://en.wikipedia.org/wiki/Crystal_radio https://old.reddit.com/r/todayilearned/comments/39vwxg/til_that_near_the_1940s_it_was_popular_to_build/
That's pretty dope.
So I can hook up an AM radio in a commercial building and broadcast some tinny shitpost throughout?
Nah, it doesn't work like that. It's a weird phenmenon. It only happens sometimes when the circumstances are just right. I used to rent a basement in Appalachia and every once in a while this would happen.
Ok probably a resonance frequency deal
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