Atomicbomb

The Manhattan Project and the Atomic Bomb

By mpaverill2016

  • Harold C.Urey Discovers Deuterium

    Harold C.Urey Discovers Deuterium
    Picture Harold C. Urey discovered deuterium on August 22, 1931. This was also called heavy hydrogen. Allowing him to find a new method in seperating hydrogen isotopes.This prompted the Manattan Project.

  • Leo Szilard and the Chain Reaction

    Leo Szilard and the Chain Reaction
    Picture Leo Szilard discovers the idea of chain reaction. He was walking down the streets of London in September of 1933 and he claims the idea just "came to him."

  • Enrico Fermi Performs Nuclear Fission

    Enrico Fermi Performs Nuclear Fission
    Picture Enrico Fermi demonstrates nuclear bombardment in almost every element, which led to the discovery of slow neutrons and later to nuclear fission.

  • Niels Bohr Announces Disocvery of Nuclear Fission

    Niels Bohr Announces Disocvery of Nuclear Fission
    Picture Niels Bohr attended a meeting at George Washington University to announce the dicovery of Nuclear Fission. Along with Enrico Fermi. Press was kicked out of the room to ensure atomic security.

  • Albert Einstein Writes to Franklin Roosevelt

    Albert Einstein Writes to Franklin Roosevelt
    Picture In August of 1939 Albert Einstein wrote a letter to President Franklin Roosevelt. This letter concered the use of Uranium as a source of energy. Which led to the formation of the Commitee of Uranium.

  • World War II Began

    World War II Began
    Picture World War II began in September of 1939 which was a major reason behind the developement of the Atomic Bomb. It gave a motive to complete the Manhattan Project.

  • FDR Approves Atomic Bomb

    FDR Approves Atomic Bomb
    Picture In 1941 Franklin D. Roosevelt gave the go-ahead to develope an atomic weapon. This was given to the Manhattan Engineering District. It's headquarters was in Washington D.C.

  • First Controlled Nucear Fission Reaction

    First Controlled Nucear Fission Reaction
    Picture The first controlled fission reaction took place in December of 1942 by Enrico Fermi. Thus furthering the progress in the Manhattan Project.

  • First Atomic Detonation

    First Atomic Detonation
    Picture Trinity Test was the world's first atomic detonation. It was located at Alamogordo, New Mexico.

  • Potsdam's Declaration

    Potsdam's Declaration
    Picture Potsdam's Declaration was issued in July of 1945 and wanted the unconditional surrender of Japan. Two days later Japan rejected the declaration.

  • Hiroshima

    Hiroshima
    Picture Little Boy , a uranium bomb, was dropped on Hiroshima, Japan on August 6, 1945. It took out 90% of the city along with 80,000 lives. This was ordered by President Truman.