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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 ...
May 27, 2024 · Manhattan Project, U.S. government research project (1942–45) that produced the first atomic bombs. The project’s name was derived from its initial location at Columbia University, where much of the early research was done. The first bomb was exploded in a test at Alamogordo air base in southern New Mexico on July 16, 1945.
- The Editors of Encyclopaedia Britannica
- In 1939, American scientists, many of whom had fled from fascist regimes in Europe, were aware of advances in nuclear fission and were concerned th...
- American physicist J. Robert Oppenheimer headed the Manhattan Project, with the goal of developing the atomic bomb, and Edward Teller was among the...
- The Manhattan Project produced the first atomic bomb. Several lines of research were pursued simultaneously. Both electromagnetic and fusion method...
- Although many physicists were opposed to the actual use of the atomic bomb created by the Manhattan Project, U.S. President Harry S. Truman believe...
Jul 26, 2017 · Learn about the American-led effort to develop a nuclear weapon during World War II, from the fear of German advancement to the use of atomic bombs on Japan. Explore the scientific, military and political aspects of the Manhattan Project and its legacy.
Apr 2, 2024 · Learn about the history and legacy of the Manhattan Project, the secret development of the world's first atomic bombs during World War II. Visit three park locations in Washington, New Mexico, and Tennessee to explore the people, places, and events of this transformative era.
Jul 21, 2023 · Learn about the top-secret program to make the first atomic bombs during World War II, its impact on history and science, and the role of J. Robert Oppenheimer and Albert Einstein. Find out how the project was kept secret, how it ended the war with Japan, and what it led to in the nuclear age.
May 12, 2017 · Learn about the Anglo-American effort to develop an atomic bomb during World War II and its legacies today. Explore the preliminary organization, research, production, and results of the Manhattan Project, as well as the sites and people involved.
The Manhattan Project had its origins in 1939, when U.S. scientists urged President Franklin D. Roosevelt to establish a program to study the potential military use of fission; $6,000 was appropriated for the task. By 1942 the project was code-named Manhattan, for the site of Columbia University, where much of the early research was done.
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