In 2012, more than 22,000 people dialed in to a local teleconference about the hum, voicing concerns that ranged from the effect of the noise on pregnancy to the long-term impact it could have on a home’s foundation.
The hum’s persistent presence in the city has sparked creativity and inspired a slew of conspiracy theories; from a PhD thesis that seeks to incorporate the noise into song to theories that link the hum to UFOs or covert tunneling by the Canadian military.
Studies commissioned of the 35Hz sound by the Canadian government suggest a more mundane source; pointing to Zug island, an American industrial area located a few miles down the river from the bridge that separates Windsor and Detroit.
https://www.theguardian.com/world/20...-united-states