Why did the US military dig a tunnel in the Alaskan tundra? What is the tunnel used for now?
Visit https://www.kiwico.com/physicsgirl30 to get 30% off your first month of any subscription!
Support Physics Girl videos → https://www.patreon.com/physicsgirl
Special thank you to our X-Ray tier patrons: Carlos Patricio, David Cichowski, Eddie Sabbah, Fabrice Eap, Gil Chesterton, Isabel Herstek, Margaux Lopez, Matt Kaminski, Michael Schneider, Patrick Olson, Vikram Bhat, Vincent Argiro, wc993219
Music provided by APM
If you liked this video check out these:
A picture of the beginning of the universe
Why is the Universe Flat? ft. Prof Alan Guth
Tweets by thephysicsgirl
Creator/Host: Dianna Cowern
Editor: Levi Butner
Producer: Kyle Kitzmiller