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David Charles Hahn (October 30, 1976 – September 27, 2016), sometimes called the "Radioactive Boy Scout" and the "Nuclear Boy Scout" was an American nuclear radiation enthusiast who built a homemade neutron source at the age of seventeen.
The bomb was released from its clamps and fell on the bomb bay doors, which held for a “second or two,” before breaking open and dropping a military-grade warhead on the Gregg home just east ...
The Apollo affair or NUMEC affair was a 1965 incident in which a US company, NUMEC, in the Pittsburgh suburbs of Apollo and Parks Township, Pennsylvania was investigated for losing 200–600 pounds (91–272 kg) of highly enriched uranium, with suspicions that it had gone to Israel's nuclear weapons program.
The discovery of the neutron by James Chadwick in 1932, [1] followed by that of nuclear fission in uranium by the German chemists Otto Hahn and Fritz Strassmann in 1938, [2] and its theoretical explanation (and naming) by Lise Meitner and Otto Robert Frisch soon after, [3] opened up the possibility of a nuclear chain reaction with uranium. [1]
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Australian physicist Mark Oliphant was a key figure in the launching of both the British and United States nuclear weapons programmes. The 1938 discovery of nuclear fission in uranium by Otto Robert Frisch, Fritz Strassmann, Lise Meitner and Otto Hahn, [1] raised the possibility that an extremely powerful atomic bomb could be created. [2]
The false claim that a 14-year-old student built an atomic bomb as a science project originates from a satirical website.
The only time nuclear weapons have been used in warfare was during the final stages of World War II when USAAF B-29 Superfortress bombers dropped atomic bombs on the Japanese cities of Hiroshima and Nagasaki in early August 1945.