The Bulletin of the Atomic Scientists announced today that the Doomsday Clock, which represents our proximity to an apocalyptic event, will remain at three minutes to midnight. But that’s still terrifying.
Camp Century-aka "Project Iceworm"-was a "city under ice," according to the U.S. Army, a "nuclear-powered research center built by the Army Corps of Engineers under the icy surface of Greenland," as Frank J. Leskovitz more specifically explains.
This is one of a series of videos made in the 1970s and 80s called Protect and Survive, to tell people how to cope with a nuclear attack on Britain and its aftermath.
The nuclear cannon dubbed "Atomic Annie" fires a 280 millimeter nuclear artillery shell packing 15 kilotons of explosive force, in this breathtaking image from 1953's Operation Upshot-Knothole in Nevada. Check out more images from our only nuclear artillery test.