Stuff you should know covered this in one of their episodes: https://www.stuffyoushouldknow.com/podcasts/how-the-hum-works.htm https://www.stuffyoushouldknow.co

Stuff you should know covered this in one of their episodes: https://www.stuffyoushouldknow.com/podcasts/how-the-hum-works.htm https://www.stuffyoushouldknow.com/podcasts/how-the-hum-work... Transcript: https://www.stuffyoushouldknow.com/podcasts/how-the-hum-works-transcript.htm https://www.stuffyoushouldknow.com/podcasts/how-the-hum-work...