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Jul 26, 2017 · The Manhattan Project was the code name for the American-led effort to develop a functional atomic weapon during World War II.
4 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 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.
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...
The story of the Manhattan Project began in 1938, when German scientists Otto Hahn and Fritz Strassmann inadvertently discovered nuclear fission. A few months later, Albert Einstein and Leo Szilard sent a letter to President Roosevelt warning him that Germany might try to build an atomic bomb.
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.
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.
