Word: bombings
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Dates: during 1960-1969
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...nuclear sophisticates, the sketch was actually old hat. Today, almost any bright high school physics student understands the basic principles of the Nagasaki bomb...
...order for such a bomb to explode, the fissionable core material of plutonium (sketch point E) must be raised to a supercritical mass, the point where sufficient neutrons are released and react with the core material to sustain violent nuclear reactions. In the implosion bomb shown in the sketch, shaped charges of high explosives (B) are simultaneously triggered by detonators (A), the force of the explosions being directed inward, rapidly compressing the plutonium around a beryllium neutron source (D). In less than a millionth of a second, the supercritical mass explodes...
This was basically the description that Greenglass gave in his impounded testimony. Whether or not such knowledge was vital to Russian development of the bomb remains speculative. In any case, the same general principles are used in modern tactical atomic weapons, even though engineering refinements have gone drastically beyond the crude "Fat Man" version of 21 years...
...loud sport coat and once leaped from a third-floor window into a swimming pool to win a bet. Two weeks ago, when the Pirates changed planes in Dallas, Prince refused to let a stewardess take his tape recorder, explaining: "It's as sensitive as a bomb." He had barely settled into his seat before FBI agents arrived...
...pacifists encountered these forces. Their own appeal was based on their fundamental beliefs, not upon political reasoning or expediency. "Together," said a pamphlet they distributed, "we shall liberate one another from the bondage of insensitivity and restore moral virtue to human affairs. FOR WE SHALL DEVELOP THE SPIRITUAL ATOM BOMB and with it destroy the walls of hate and violence." And the response the received was also based on fundamental beliefs...