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U.S. Scientific Advances. World War II. U.S. Scientific Advances. 1941 Roosevelt created Office of Scientific Research and Development (OSRD) Brought scientists into war effort. U.S. Scientific Advances. Advances in: Radar Sonar Pesticides to fight insects

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u s scientific advances1
U.S. Scientific Advances
  • 1941Roosevelt created Office of Scientific Research and Development (OSRD)
  • Brought scientists into war effort
u s scientific advances2
U.S. Scientific Advances
  • Advances in:
    • Radar
    • Sonar
    • Pesticides to fight insects
        • World War I, many soldiers in the trenches had LICE
    • Penicillin
the atomic bomb
The Atomic Bomb
  • OSRD secret development of the atomic bomb
  • WHY?
  • 1939, Germans succeeded in splitting uranium atoms
  • Einstein letter to FDR warning that Germans could construct WMD
the manhattan project
The Manhattan Project
  • 1942, OSRD created the Manhattan Project to quickly create atomic bomb
  • Early development at Columbia University in Manhattan
the manhattan project1
The Manhattan Project
  • So secret, Vice President Truman didn’t know until he became president when FDR passed away
  • 600,000 workers
  • July 16, 1945First test