https://en.wikipedia.org/wiki/The_Hum https://www.livescience.com/38427-the-hum-mystery-taos-hum.html A couple of other articles about #TheHum I think I've hit the end of my willingness to dig, so I don't expect to post any more about it. But thanks, @simsa03, for posting about it and stirring a little curiousity.