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Thin Man was a long device, and its name came from the Dashiell Hammett detective novel and series of movies of the same name. The Fat Man was round and fat, and was named after Sydney Greenstreet 's "Kasper Gutman" character in The Maltese Falcon .
"Thin Man" plutonium gun test casings at Wendover Army Air Field, as part of Project Alberta in the Manhattan Project. " Fat Man " casings can be seen behind them. To work on the plutonium gun design, Oppenheimer assembled a team at the Los Alamos Laboratory that included senior engineer Edwin McMillan and senior physicists Charles Critchfield ...
Los Alamos was established in 1943 as Project Y, a top-secret site for designing nuclear weapons under the Manhattan Project during World War II. [ note 1 ] Chosen for its remote yet relatively accessible location, it served as the main hub for conducting and coordinating nuclear research, [ 6 ] bringing together some of the world's most famous ...
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 Fat Man implosion-type weapon using plutonium was developed in a concerted design and development effort by Project Y at Los Alamos, New Mexico. Heavy water for use in reactors designed by the Metallurgical Laboratory and the Canadian Montreal Laboratory was produced by the P-9 Project. Polonium was produced by the Dayton Project.
Fat Man Replica of the original Fat Man bomb Type Nuclear fission gravity bomb Place of origin United States Production history Designer Los Alamos Laboratory Produced 1945–1949 No. built 120 Specifications Mass 10,300 pounds (4,670 kg) Length 128 inches (3.3 m) Diameter 60 inches (1.5 m) Filling Plutonium Filling weight 6.2 kg Blast yield 21 kt (88 TJ) "Fat Man" (also known as Mark III) was ...
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Haroutune Krikor Daghlian Jr. (May 4, 1921 – September 15, 1945) was an American physicist with the Manhattan Project, which designed and produced the atomic bombs that were used in World War II. He accidentally irradiated himself on August 21, 1945, during a critical mass experiment at the remote Omega Site of the Los Alamos Laboratory in ...