What the heck is a frost quake?

frost frozen ground crack

Heard a big boom during a polar vortex? Here's what's up.

Is it cold outside? Are you hearing loud booming sounds in the middle of the night? Don’t call the Ghostbusters—it’s probably just a frost quake.
via Popular Science "http://bit.ly/2HJgOub"


Popular posts from this blog

The best air conditioner

We won't see a 'universal' vape oil cartridge anytime soon