The Hydrogen Bomb. pic: 1952. A picture of the thermo-nuclear device tested by the U.S. at the Elugelab test island in the Marshall Islands . The picture is taken from 50 miles distant and at 12,000 feet shows the early stage of the cloud formation which

The Hydrogen Bomb, pic: 1952, A picture of the thermo-nuclear device tested by the U,S, at the Elugelab test island in the Marshall Islands , The picture is taken from 50 miles distant and at 12,000 feet shows the early stage of the cloud formation which eventually extended 25 miles up and spread for 100 miles (Photo by Popperfoto via Getty Images/Getty Images)