Manhattan project

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presentation given to highschool AP us History class. Additional information was provided orally to go allow with bullet points.

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Manhattan project

  1. 1. The Manhattan Project <ul><li>Ben Traquair </li></ul><ul><li>Brian Wittenberg </li></ul><ul><li>Ian Boelts </li></ul>
  2. 2. Overview <ul><li>Project to develop first Atomic Bomb </li></ul><ul><li>Specifically between 1942-1946 </li></ul><ul><li>Resulted in Destruction of Hiroshima and Nagasaki </li></ul><ul><ul><li>End of war with Japan </li></ul></ul>
  3. 3. Who <ul><li>Under jurisdiction of the US Army Corps of Engineers </li></ul><ul><li>General Leslie R. Groves </li></ul><ul><li>J. Robert Oppenheimer </li></ul><ul><li>Einstein </li></ul><ul><li>Fermi </li></ul><ul><li>FD Roosevelt </li></ul>
  4. 4. Einstein and The Bomb <ul><li>Szilard consults Einstein about German Potential </li></ul><ul><li>The Roosevelt letter-1939 </li></ul><ul><li>Leads to Uranium Committee </li></ul><ul><li>Severe guilt </li></ul>
  5. 5. J. Robert Oppenheimer <ul><li>Physics professor at UC Berkeley </li></ul><ul><li>Invited to work on the “Uranium Committee” </li></ul><ul><li>Unlikely Candidate for Groves’ second in command </li></ul><ul><ul><li>Seen as being best man to lead the diverse team </li></ul></ul>&quot;Now I am become Death, the destroyer of worlds.&quot;- J.R.O.
  6. 6. L.R. Groves <ul><li>Took over in 1942 for J. Marshal </li></ul><ul><ul><li>Marshal was moving too slow </li></ul></ul><ul><li>Coined “Manhattan” name </li></ul><ul><li>Prioritized research and development well </li></ul>
  7. 7. L.R. Groves <ul><li>Chose development sites and targets </li></ul><ul><li>Involved in acquiring information about German research </li></ul><ul><li>Shadowed project in unprecedented security </li></ul><ul><ul><li>Unable to prevent Russian espionage </li></ul></ul>
  8. 8. Fermi <ul><li>Italian Physicist </li></ul><ul><li>Chicago Pile-1 </li></ul><ul><ul><li>The first self sustained nuclear reaction </li></ul></ul>
  9. 9. Development <ul><li>American and British attempts as early as 1939 </li></ul><ul><li>1942 control was transferred to US military </li></ul><ul><ul><li>More serious efforts </li></ul></ul><ul><li>1944 Productions plants were constructed </li></ul>
  10. 10. Development <ul><li>Multi-pronged pursued multiple theories and designs </li></ul><ul><li>Plutonium and Uranium </li></ul><ul><ul><li>The plutonium came from Fermi’s reactors </li></ul></ul><ul><li>Very Secretive </li></ul>
  11. 11. Tritinity <ul><li>1945- Los Alamos </li></ul><ul><li>“Fat man” </li></ul><ul><ul><li>Testing the implosion design </li></ul></ul><ul><li>Beginning of Atomic Age </li></ul><ul><li>Disproved “Nuclear Ignition of Atmosphere” </li></ul>
  12. 12. The Bombs <ul><li>Two types of Fission design </li></ul><ul><li>“Fat man” vs. “Little boy” </li></ul><ul><ul><li>Implosion and Gun type </li></ul></ul><ul><li>Uranium-238 </li></ul>
  13. 13. Plutonium Bomb <ul><li>Plutonium-239 </li></ul><ul><li>Hanford site refined the plutonium </li></ul><ul><li>Nagasaki </li></ul>
  14. 14. Uranium <ul><li>Uranium-235 </li></ul><ul><li>Oak Ridge site refined the Uranium </li></ul><ul><li>Hiroshima </li></ul>
  15. 15. Arms Race <ul><li>“Tube Alloys” </li></ul><ul><li>“Soviet Atomic Bomb Project” </li></ul><ul><ul><li>Soviet espionage </li></ul></ul><ul><li>The Chevalier Incident </li></ul>
  16. 16. Hiroshima/Nagasaki <ul><li>1945 </li></ul>
  17. 17. Aftermath
  18. 18. Results <ul><li>Arguably most important scientific advance of the century </li></ul><ul><li>200,000 Japanese people in a matter of seconds </li></ul>
  19. 19. Post-War <ul><li>Two Scientists irradiated to death accidentally </li></ul><ul><li>Atomic Energy Act of 1946 </li></ul><ul><ul><li>United states Atomic Energy Commission </li></ul></ul>
  20. 20. Discussion time <ul><li>Knowing what you do about Pearl Harbor and the Japanese habits during the war, was the destruction of the two cities justified? </li></ul><ul><li>How do you think the remainder war would have been different had the United States not dropped the Bomb? </li></ul><ul><li>Had the bomb not been dropped how would the Cold War period be different? </li></ul>

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