history of the birth of atomic bomb

In 1919, Ernest Rutherford had done the shooting nucleus for the first time. Alpha particles emitted by radium element is fired to the nitrogen atom. and oxygen atoms formed with the proton emission.

in 1933, Irene Curie and her husband, Frederic Juliot alpha particles fired at the element magnesium, aluminum and boron. Nuclides produced was radioactive.

in 1934, Enrico Fermi fire element thallium by neutron particles, and it forms the lead element.

in 1938, Otto Hahn and Lise Meitner from Germany to shoot particles of uranium with neutrons. "And they make amazing, the uranium is split into 2 lighter nuclides."

in 1940, Glenn Theodore Seaborg made 2 new elements that were not in nature, ie neptunium and plutonium.

Discoveries that later by countries such as the American giants and russia serikar used to make atomic bombs that threaten the world.

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