The Hydrogen Bomb. pic: circa 1952. An artist's impression of the effects the thermo-nuclear device tested by the U.S. at the Elugelab test island in the Marshall Islands. The Hydrogen bomb detonation would have caused this effect 12 minutes after detonat

The Hydrogen Bomb, pic: circa 1952, An artist's impression of the effects the thermo-nuclear device tested by the U,S, at the Elugelab test island in the Marshall Islands, The Hydrogen bomb detonation would have caused this effect 12 minutes after detonation, a cloud stem 25 miles high and with a spread of 100 miles along the base of the stratosphere (Photo by Popperfoto via Getty Images/Getty Images)