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Nick B

The Manhattan Project - 0 views

www.amnh.org/...the-manhattan-project

manhattan project atomic bomb Albert Einstine nick 1940s nick

shared by Nick B on 12 Mar 14 - No Cached
  • Einstein's 1939 letter helped initiate the U.S. effort to build an atomic bomb, but work proceeded slowly at first. Two other findings in 1940 and 1941 demonstrated conclusively that the bomb was feasible and made building the bomb a top priority for the United States: the determination of the "critical mass" of uranium needed and the confirmation that plutonium could undergo fission and be used in a bomb. In December 1941, the government launched the Manhattan Project, the scientific and military undertaking to develop the bomb.
  • Einstein wrote to U.S. President Franklin Roosevelt to warn him that the Nazis were working on a new and powerful weapon: an atomic bomb. Fellow physicist Leo Szilard urged Einstein to send the letter and helped him draft it.
  • July 1940, the U.S. Army Intelligence office denied Einstein the security clearance needed to work on the Manhattan Project. The hundreds of scientists on the project were forbidden from consulting with Einstein, because the left-leaning political activist was deemed a potential security risk.
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  • August 6, 1945 First atomic bomb dropped on Hiroshima, Japan
  • On August 9, 1945, the United States dropped an atomic bomb on the city of Nagasaki, Japan, three days after bombing Hiroshima. By the end of 1945, an estimated 200,000 people had died in the two cities.
  • His famous equation E=mc2 explains the energy released in an atomic bomb but doesn't explain how to build one.
  • Nick B on 12 Mar 14
     
    This website talks about the product of the Manhattan project.  
Xavier W

World Trade Center bombed - History.com This Day in History - 2/26/1993 - 0 views

www.history.com/...world-trade-center-bombed

Xavier world trade center 1990

shared by Xavier W on 26 Feb 14 - No Cached
  • At 12:18 p.m., a terrorist bomb explodes in a parking garage of the World Trade Center in New York City, leaving a crater 60 feet wide and causing the collapse of several steel-reinforced concrete floors in the vicinity of the blast. Although the terrorist bomb failed to critically damage the main structure of the skyscrapers, six people were killed and more than 1,000 were injured. The World Trade Center itself suffered more than $500 million in damage. After the attack, authorities evacuated 50,000 people from the buildings, hundreds of whom were suffering from smoke inhalation. The evacuation lasted the whole afternoon.
  • within days several radical Islamic fundamentalists were arrested. In March 1994, Mohammed Salameh, Ahmad Ajaj, Nidal Ayyad, and Mahmoud Abouhalima were convicted by a federal jury for their role in the bombing, and each was sentenced to life in prison.
  • The mastermind of the attack--Ramzi Ahmed Yousef--remained at large until February 1995, when he was arrested in Pakistan. He had previously been in the Philippines, and in a computer he left there were found terrorist plans that included a plot to kill Pope John Paul II and a plan to bomb 15 American airliners in 48 hours.
  • Xavier W on 26 Feb 14
     
    World Trade Center bombing in 1993
Nick B

On This Day: United States Drops Atomic Bomb on Hiroshima - 0 views

www.findingdulcinea.com/...-Bomb-on-Hiroshima--Japan.html

atomic bomb enola gay hiroshima japan bomb little Boy nick

shared by Nick B on 26 Feb 14 - No Cached
  • On Aug. 6, 1945, U.S. war plane Enola Gay dropped “Little Boy,” a 8,900-pound atomic bomb, on Hiroshima, Japan.
  • The United States and Japan had been at war since 1941. By 1945,
  • Truman authorized the use of the atomic bomb as soon after Aug.
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  • The 8,900-pound bomb, called “Little Boy,” was to be carried in a B-29 Superfortress piloted by Col. Paul W. Tibbets,
  • At 8:15 a.m. local time, the Enola Gay dropped Little Boy onto Hiroshima. Just 43 seconds later it exploded 1,900 feet above the city.
  • It has been difficult to determine a definitive death toll. Between 70,000 and 80,000 of the more than 340,000 people in the city are believed to have been killed by the initial blast, and many more died in the following weeks and years from injuries and radiation. The official Japanese death toll, calculated a year after the explosion, is 118,661. Other estimates put the number of deaths at more than 140,000, while thousands of other victims have suffered from radiation sickness, cancer and other long-term effects.
  • Nick B on 26 Feb 14
     
    this website gives the name of the Bomb, the plane, and the pilot who flew the plane. Also it give you the death toll of the explosion.
Nick B

On This Day: Atomic Bomb Dropped on Nagasaki - 0 views

www.findingdulcinea.com/...-Bomb-Dropped-on-Nagasaki.html

bomb 'Nagasaki Fat man nick 1940's japan

shared by Nick B on 26 Feb 14 - No Cached
  • Nick B on 26 Feb 14
     
    On Aug. 9, 1945, three days after the bombing of Hiroshima, the United States dropped a second atomic bomb on the city of Nagasaki.
Nick B

On This Day: Japan Bombs Pearl Harbor - 0 views

www.findingdulcinea.com/...d-US-Base-at-Pearl-Harbor.html

Japan Bombs Pearl Harbor nick 1940's

shared by Nick B on 19 Feb 14 - No Cached
  • “avoid a charge of ‘attack without warning,’
  • U.S. forces had not received warning by the time the first wave of Japanese planes attacked Pearl Harbor soon before 8 a.m. A second wave followed an hour later.
  • The American Response
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  • Franklin D. Roosevelt called Dec. 7, 1941, “a date which will live in infamy.” Congress formally declared war on the Japanese Empire just hours later.
  • Nick B on 19 Feb 14
     
    this website gives an example of the reactions of the leaders of both nations involved in the attack and what happened.
Ivy A

Letter from Albert Einstein to FDR, 8/2/39 . Truman . WGBH American Experience | PBS - 1 views

www.pbs.org/...truman-ein39

letter albert einstein ivy 1930s FDR

shared by Ivy A on 12 Mar 14 - No Cached
  • Ivy A on 12 Mar 14
     
    Einstein Writes a Letter to FDR About Building an Atomic Bomb
Paul F

Nixon declares Vietnam War is ending - History.com This Day in History - 12/8/1969 - 1 views

www.history.com/...declares-vietnam-war-is-ending

Paul end of vietnam war 1970s

shared by Paul F on 19 Feb 14 - No Cached
  • Nixon had announced at a conference in Midway in June that the United States would be following a new program he termed "Vietnamization."
  • Under the provisions of this program, South Vietnamese forces would be built up so they could assume more responsibility for the war. As the South Vietnamese forces became more capable, U.S. forces would be withdrawn from combat and returned to the United States
  • In April 1970, he expanded the war by ordering U.S. and South Vietnamese troops to attack communist sanctuaries in Cambodia.
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  • In 1972, the North Vietnamese launched a massive invasion of South Vietnam. The South Vietnamese forces reeled under the attack, but eventually prevailed with the help of U.S. airpower. After extensive negotiations and the bombing of North Vietnam in December 1972, the Paris Peace Accords were signed in January 1973. Under the provisions of the Accords, U.S. forces were completely withdrawn. Unfortunately, this did not end the war for the Vietnamese and the fighting continued until April 1975 when Saigon fell to the communists.
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