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One prime reason is that leaders of the U.S. armed forces have been so closemouthed about the explosion of the experimental H-bomb last November at Eniwetok that nobody really knows what ...

North Korean leader Kim Jong-un has hailed the recent test of a hydrogen bomb, calling it a “great victory,” the Korean ...

To most of the U.S. public the hydrogen bomb was still a direful novelty last week, but to scientists there was little new about it. Long before the discovery of uranium fission they had known ...