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Manhattan District From top to bottom, left to right: Chicago Pile-1, the first nuclear reactor K-25, the primary uranium enrichment site The Hanford B Reactor used for plutonium production The Gadget implosion device at Los Alamos Alsos soldiers dismantle the Haigerloch pile of the German nuclear weapons program The Trinity test, the first nuclear explosion Atomic bombings of Hiroshima and ...
This was the beginning of the Manhattan Project, run as the Manhattan Engineering District (MED), an agency under military control that was in charge of developing the first atomic weapons. After World War II , the MED maintained control over the U.S. arsenal and production facilities and coordinated the Operation Crossroads tests.
Leslie Groves, Manhattan Project director, with a map of the Far East The discovery of nuclear fission in 1938 made the development of an atomic bomb a theoretical possibility. [ 52 ] Fears that a German atomic bomb project would develop atomic weapons first, especially among scientists who were refugees from Nazi Germany and other fascist ...
The original World Trade Center (WTC) was a complex of seven buildings in Lower Manhattan in New York City that was destroyed September 11, 2001. The site is being rebuilt with six new skyscrapers and a memorial to the casualties of the attacks. World Trade Center; World Trade Center (PATH station) One World Trade Center; Marriott World Trade ...
Plenty know J. Robert Oppenheimer's name, but do you know the Ames scientists who contributed to the atomic bomb? How work at Iowa State made Oppenheimer's Manhattan Project and the atomic bomb ...
The United States is known to have possessed three types of weapons of mass destruction: nuclear, chemical, and biological weapons.As the country that invented nuclear weapons, the U.S. is the only country to have used nuclear weapons on another country, when it detonated two atomic bombs over two Japanese cities of Hiroshima and Nagasaki during World War II.
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. The Army component of ...
Manhattan Project scientists had identified two fissile isotopes for potential use in bombs: uranium-235 and plutonium-239. [7] Uranium-235 became the basis of the Little Boy bomb design, first used (without prior testing) in the bombing of Hiroshima ; the design used in the Trinity test, and eventually used in the bombing of Nagasaki ( Fat Man ...