Search results
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. From 1942 to 1946, the project was directed by Major General Leslie Groves of the U.S. Army Corps of Engineers.
3 days ago · Manhattan Project, U.S. government research project (1942–45) that produced the first atomic bombs. See Britannica’s interactive timeline of the Manhattan Project.
- 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 · Home. Topics. World War II. Manhattan Project. By: History.com Editors. Updated: July 21, 2023 | Original: July 26, 2017. copy page link. Print Page. Galerie Bilderwelt/Getty Images. The...
Jul 21, 2023 · The Manhattan Project was a top-secret program to make the first atomic bombs during World War II. Its results had profound impacts on history: the subsequent nuclear arms race has radically...
Apr 2, 2024 · The Manhattan Project is one of the most transformative events of the 20th century. It ushered in the nuclear age with the development of the world’s first atomic bombs. The building of atomic weapons began in 1942 in three secret communities across the nation.
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 Manhattan Project was the US government program during World War II that developed and built these first atomic bombs. Detonation of these first nuclear bombs signaled arrival of a frightening new Atomic Age.
