A History of Nuclear Weapon in United States of America (2231 words, 4 pages)
Atom bomb nuclear weapon manhattan project albert einsteinJust before the beginning of World War II, Albert Einstein wrote a letter to President Franklin D. Roosevelt. Urged by Hungarian-born physicists Leo Szilard, Eugene Wingner, and Edward Teller,Einstein told Roosevelt about Nazi German efforts to purify Uranium-235 which might be used tobuild ...
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