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The Manhattan Project was a research and development program undertaken during World War II to produce the first nuclear weapons. It was led by the United States in collaboration with the United Kingdom and Canada.
3 days ago · The first atomic bomb was detonated on July 16, 1945, in New Mexico as part of the U.S. government program called the Manhattan Project. The United States then used atomic bombs on Hiroshima and Nagasaki in Japan on August 6 and 9, respectively, killing about 210,000 people.
- 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.
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.
Learn about the secret US government program that developed and used the first nuclear weapons in World War II. Explore the history, science, and controversies of the Manhattan Project and its impact on the world.
