U.S. Scientific Advances
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Transcript of U.S. Scientific Advances
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U.S. Scientific Advances
World War II
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U.S. Scientific Advances1941Roosevelt
created Office of Scientific Research and Development (OSRD)
Brought scientists into war effort
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U.S. Scientific AdvancesAdvances in:
Radar Sonar Pesticides to fight
insects World War I, many
soldiers in the trenches had LICE
Penicillin
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The Atomic BombOSRD secret
development of the atomic bomb
WHY?
1939, Germans succeeded in splitting uranium atoms
Einstein letter to FDR warning that Germans could construct WMD
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The Manhattan Project1942, OSRD created
the Manhattan Project to quickly create atomic bomb
Early development at Columbia University in Manhattan
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The Manhattan ProjectSo secret, Vice
President Truman didn’t know until he became president when FDR passed away
600,000 workers
July 16, 1945First test
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Alamogordo, New Mexico