NYHTIM_190531_100
Existing comment:
"For four years the hydrogen bomb grew in secret and silence, stirring like a quickened fetus in the guarded laboratories. Few qualified physicists, U.S. or foreign, cared to talk about it. They knew that their science would soon give monstrous birth, but they had been warned to keep quiet."

H-Bomb mushroom cloud over the Pacific
Unidentified photographer
Proposed user comment: