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Canada

TwistOneUp

(1,020 posts)

3. Perhaps...

Reply to elleng (Original post)

Mon Feb 19, 2018, 04:30 PM

Feb 2018

It's ULF, ultra low frequwncy hum. ULF is used by the US military to communicate with our subs. While ULF is not necessarily audible, it can vibrate natural formations (lakeshores, sinkholes, caves, etc.) and create harmonics that could be audible.

Just an idea...

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Highlight:

Theres a Persistent Hum in This Canadian City, and No One Knows Why. [View all] elleng Feb 2018 OP

Oooh like the Taos hum? EllieBC Feb 2018 #1

But it's a polite hum underpants Feb 2018 #2

It's a polite hum, eh? FSogol Jun 2018 #7

Perhaps... TwistOneUp Feb 2018 #3

reminds me of this! NRaleighLiberal Feb 2018 #4

Once the rattle kicks in, it will be explained... True Dough Feb 2018 #5

Windsor has tinnitus? N/T Jerry Can Jun 2018 #6

Obama's earthquake machines! FSogol Jun 2018 #8