13 agos 1942 anni - Manhattan Project

Descrizione:

Scientists led by Robert Oppenheimer and Enrico Fermi, labored diligently for some 6 years developing nuclear physics to an understanding requisite to crank out a weapon of unfathomable power. Two types of atomic bombs were developed concurrently during the war: a relatively simple gun-type fission weapon and a more complex implosion-type nuclear weapon.