Atomic bomb

By GilbertoSalazar

  • Atoms

    Splitiing atoms became possible
  • Period: to

    Atomic bomb timeline

  • Development of the Atomic bomb

    Einstein and several other scientists told Roosevelt of efforts in Nazi Germany to purify uranium-235, which could be used to build an atomic bomb and made the U.S undergo project Manhattan.

  • Authorized to make atomic bomb

    President Roosevelt authorizes the Manhattan Engineering District with $2 billion to build the atomic bomb.

  • Who took part in making of the atomic bomb

    "Oppenheimer thought it would take 50 scientists. He started with 500 and in the end, had 5,000 involved. One of the biggest contributers was a man named General Leslie Groves, he was appointed director of the Manhattan Project."

  • Planes are made to drop the bombs

    Planes were being remodeled by the military to carry and drop bombs

  • Planning the operation to attack Japan

    (The invasion of Japan) The plan would have cost a massive toll in american lives lost. It was estimated 1.7-4 million americans would be kill

  • Atomic bomb test

    The explosion left only green radioactive material where it exploded and residents hundreds of miles away could see the blast.

  • Little boy dropped on Hiroshima

    "Little Boy killed 90,000–166,000 in Hiroshima in the first 2-4 months and about half the deaths occured in the first day. Of those who died on the first day, 60% died from flash or flame burns, 30% from falling debris and 10% from other causes. during the following months many died of radiation sickness, burns, and other injuries"

  • "Fat man" dropped on Nagasaki

    Within a few months of dropping the Atomic bomb 60,000–80,000 people were killed in Nagasaki.

  • Physics behind the atomic bomb

    "There were groups working on the structure and firing mechanisms while others worked on production of the fuel. The volume of U-235 used in the first atomic bombs could be held in your hands. The result was an explosion equivalent to 40,000 conventional bombs."

  • Japan surrenders

    In the morning on September 2nd, 1945, aboard the USS Missouri in Tokyo bay, Japan officially surrendered