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Manhattanprojektet startades 1942 på order av USA:s dåvarande president, Franklin D. Roosevelt, efter anmodan från en grupp fysiker under ledning av Leó Szilárd och Eugene Wigner. Det huvudsakliga skälet till att Manhattanprojektet initierades var oron över att Nazitysklands kärnkraftsprogram skulle lyckas. Till projektets vetenskapliga ...
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.
The Manhattan Project. The United States in late 1941 established a secret program, which came to be known as the Manhattan Project, to develop an atomic bomb, a powerful explosive nuclear weapon. The aim of the project, directed by physicist J. Robert Oppenheimer, was to build an atom bomb before Germany did.
Manhattan Project, (1942–45) U.S. government research project that produced the first atomic bomb.In 1939 U.S. scientists urged Pres. Franklin D. Roosevelt to establish a program to study the potential military use of fission, and $6,000 was appropriated. By 1942 the project was code-named Manhattan, after the site of Columbia University, where much of the early research was done.
The Manhattan Project was the Anglo-American effort to build nuclear weapons during World War II. It is commonly regarded as one of the most successful, if controversial, mega-projects of the 20th century, bringing together scientific expertise, industrial production, and military coordination to create an entirely new industry, and new form of weaponry, in an unusually compressed timescale.
The Manhattan Project is the result of a collaborative effort headed by the United States Department of Energy's Office of History and Heritage Resources, with the assistance of graduate fellows in recent American history interested in the intersection of science and national security issues and supported by the Department's Office of Science and National Nuclear Security Administration.
The Moment in Time documents the uncertain days of the beginning of World War II when it was feared the Nazis were developing the atomic bomb. The history of...
