Science: THE MAKING OF THE H-BOMB

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. When the pictures of the bomb's fury hit the public last week, not many laymen remembered that the scientists long ago predicted what was likely to happen (TIME, Feb. 13, 1950).

"Fusion" of light elements, on which the hydrogen bomb depends, is the senior source...

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