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The Manhattan Project

By. Gabe Benabides. The Manhattan Project. Manhattan project What?. World war II Code name for construction of the atomic bomb. Involved nearly 125,000 people Cost two billion dollars. Manhattan Project. Consisted of three Nuclear explosions The trinity test( 1 bomb tested AKA Gadget)

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The Manhattan Project

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  1. By. Gabe Benabides The Manhattan Project

  2. Manhattan projectWhat? • World war II • Code name for construction of the atomic bomb. • Involved nearly 125,000 people • Cost two billion dollars

  3. Manhattan Project • Consisted of three Nuclear explosions • The trinity test( 1 bomb tested AKA Gadget) • Hiroshima( 2nd detonated August 6th 1945 • Nagasaki( 3rd detonated Fat Man) • August 9th 1945 • Ended World War II In New Mexico

  4. Gadget • First nuclear explosive • Similar to the fat man • Just a test • Set off at Trinity • July 16th 1945 • More powerful than expected • 20,000 tons of TNT

  5. Little boy( Hiroshima) • Monday August 6th, 1945 • City had large depots of military supplies • Nearly all civilians died • Uranium based explosion (Nuclear Fission) • Killed nearly 90-166,000 people in first two months • Enola Gay • Uranium

  6. Fat Man (Nagasaki) • 3rd detonated • Ended WWII • 1st two months, killed nearly 60-80,000 people • Half died first day • Flying Fortress • Plutonium

  7. Where • This top secret project was conducted throughout the U.S. in many different states • Main test site was in New Mexico • Where the trinity test( 1st atomic bomb of successfully detonated Manhattan is where most early research was done

  8. Speculations • Although many renowned scientists were a part of this project many had second thoughts • Would it work • What would the devastation be • Side effects?

  9. How long • Lasted about four years from the start to end of world war II • One reason why people were concerned to create an atomic bomb or not .

  10. How was it started • At beginning of war Albert Einstein wrote a letter to the president informing him that Germany was plotting the use of an atomic bomb, and urged him to do the same

  11. People Leo Szilard • •Moved to England and developed the of a nuclear chain reaction • Was convinced that the United States had to study fission. Signed letter to FDR about nuclear weapons • Wasn’t completely for the use of nuclear weapons

  12. Albert Einstein With the help of Leo Szilard, Einstein convinced President Roosevelt that Germany may be using uranium to create a super bomb. • Einstein helped the United States to begin the same type of research of uranium and fission that was happening in Germany

  13. Research of Einstein • Included • Fusion • Fission • Chain reaction

  14. Fusion • Fusion is where the nuclei combine to form a large nucleus( atoms fuse together) • Like all other nuclear reactions this gives off enormous amounts of energy

  15. Fission • Where a neutron causes the nucleus of an atom to split and become two separate ones.

  16. Chain Reaction • Occurs when the neutrons that are released during fission cause others to split and release more neutrons • Repeated over and over • Domino Effect

  17. Chain reaction Cont. • Really fast( Millionth of a second • Gamma radiation give off which is the most deadliest known to man.

  18. More people (Played part in manhattan project) • Enrico Fermi • Richard Feynman • Niels Bohr • J Robert Oppenheimer • Leslie groves • FDR • Ernest Lawrence

  19. Enrico Fermi • Created the first controlled chain reaction in his lab.

  20. Richard Feynman • Dealt with the math and equations that had to do with the atomic bomb

  21. Niels Bohr • Theorized that U235 was most stable element that could go through a chain reaction • Stated a theory that if a neutron hit the nucleus of an atom fission would occur

  22. J Robert Oppenheimer • Often referred to as father of the atomic bomb. • In 1943, was named the director for the Manhattan project

  23. Leslie groves • General, and was the military manager for the Manhattan project

  24. Ernest Lawrence • Known as atomic Smasher • In charge of electromagnetic separation at Oak ridge • Which is where the Uranium 235 was produced for the bomb

  25. FDR • President during World War II • Gave first thought to the atomic bome • But died before Nagasaki and Hiroshima and Harry Truman set the orders

  26. Debates @End and Beginning • Was it better to drop the bombs or just Threaten • Are the side effects worth the win • Would they work • Would we have enough time • Where would we test • Could we be exposed to radiation

  27. Nuclear weapons today • Who has them? • Will they be used • Will another war happen????

  28. Bibliography • http://en.wikipedia.org/wiki/Manhattan_Project • http://library.thinkquest.org/17940/texts/timeline/manhattan.htm • http://www.cfo.doe.gov/me70/manhattan/retrospect.htm

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