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The demon core (like the core used in the bombing of Nagasaki) was, when assembled, a solid 6.2-kilogram (14 lb) sphere measuring 8.9 centimeters (3.5 in) in diameter.. It consisted of three parts made of plutonium-gallium: two hemispheres and an anti-jet ring, designed to keep neutron flux from "jetting" out of the joined surface between the hemispheres during implosi
Bibliography of military nuclear accidents from the Alsos Digital Library for Nuclear Issues Archived 2011-06-06 at the Wayback Machine; Official List of accidents involving nuclear weapons from the UK Ministry of Defence; Schema-root.org: Nuclear Power Accidents 2 topics, both with a current news feed
Manhattan District The Trinity test of the Manhattan Project on 16 July 1945 was the first detonation of a nuclear weapon. Active 1942–1946 Disbanded 15 August 1947 Country United States United Kingdom Canada Branch U.S. Army Corps of Engineers Garrison/HQ Oak Ridge, Tennessee, U.S. Anniversaries 13 August 1942 Engagements Allied invasion of Italy Allied invasion of France Allied invasion of ...
The Cold War ended in 1991, but the looming threat of nuclear attack lives on with more than 14,900 nuclear weapons wielded by nine nations.. A terrorist-caused nuclear detonation is one of 15 ...
William Sterling Parsons was born in Chicago, Illinois, on 26 November 1901, the oldest of three children of a lawyer, Harry Robert Parsons, and his wife Clara, née Doolittle. Clara was the granddaughter of James Rood Doolittle , who served as US Senator from Wisconsin between 1857 and 1869, and of Joel Aldrich Matteson , Governor of Illinois ...
The non-nuclear explosives in two of the weapons detonated upon impact with the ground, causing the dispersal of radioactive plutonium, which contaminated a 0.77-square-mile (2 km 2) area. The fourth, which fell into the Mediterranean Sea , was recovered intact after a search lasting two and a half months.
Nuclear bombs are extremely deadly weapons, but their worst effects are confined to a limited zone. A government safety expert says its entirely possible to survive a nuclear explosion and its ...
In nuclear fusion, the nuclei of light elements are fused to create a heavier element.. To review this work and the general theory of fission reactions, Oppenheimer and Fermi convened meetings at the University of Chicago in June and at the University of California in Berkeley, in July with theoretical physicists Hans Bethe, John Van Vleck, Edward Teller, Emil Konopinski, Robert Serber, Stan ...