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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 Manhattan Project was a research and development project that produced the first atomic bombs during World War II. It was led by the United States with the support of the United Kingdom and Canada. From 1942 to 1946, the project was under the direction of Major General Leslie Groves of the US Army Corps of Engineers.
Klaus Emil Julius Fuchs (29 December 1911 – 28 January 1988) was a German theoretical physicist and atomic spy who supplied information from the American, British, and Canadian Manhattan Project to the Soviet Union during and shortly after World War II. While at the Los Alamos Laboratory, Fuchs was responsible for many significant theoretical ...
Commissioners' Plan of 1811. The Commissioners' Plan of 1811 was the original design for the streets of Manhattan above Houston Street and below 155th Street, which put in place the rectangular grid plan of streets and lots that has defined Manhattan on its march uptown until the current day. It has been called "the single most important ...
The Manhattan Project was a research and development undertaking during World War II that produced the first nuclear weapons. It was led by the United States with the support of the United Kingdom and Canada. Research and production took place at more than 30 sites across the United States, the United Kingdom, and Canada.
The original Little Boy and Fat Man weapons, developed by the United States during the Manhattan Project, were relatively large (Fat Man had a diameter of 5 feet (1.5 m)) and heavy (around 5 tons each) and required specially modified bomber planes [42] to be adapted for their bombing missions against Japan. Each modified bomber could only carry ...
Examples include Clamshell Alliance protests at Seabrook Station Nuclear Power Plant, Abalone Alliance protests at Diablo Canyon Power Plant, and those following the Three Mile Island accident in 1979. Beginning with the Manhattan Project (1942–46), the discussion surrounding nuclear energy and power has been a prominent part of American Society.
Diameter. 38 inches (97 cm) Filling. Plutonium. " Thin Man " was the code name for a proposed plutonium -fueled gun-type nuclear bomb that the United States was developing during the Manhattan Project. Its development was abandoned in 1944 after it was discovered that the spontaneous fission rate of nuclear reactor -bred plutonium was too high ...