Word: fissioning
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Dates: during 1950-1959
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...first four decades of the 20th Century, the new physics had developed a kind of unintended secrecy. Walled off from public comprehension by the difficulty of their subject, the physicists battered their way into the heart of matter. Just before World War II they made the critical discovery: the fission of uranium (Otto Hahn, 1939). Whipped on by wartime urgency, theory turned into technology in six racing years...