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  2. Trinity (nuclear test) - Wikipedia

    en.wikipedia.org/wiki/Trinity_(nuclear_test)

    The official estimate for the total yield of the Trinity bomb, which includes the energy of the blast component together with the contributions from the explosion's light output and both forms of ionizing radiation, is 21 kilotons of TNT (88 TJ), [135] of which about 15 kilotons of TNT (63 TJ) was contributed by fission of the plutonium core ...

  3. Fat Man - Wikipedia

    en.wikipedia.org/wiki/Fat_Man

    Fat Man Replica of the original Fat Man bomb Type Nuclear fission gravity bomb Place of origin United States Production history Designer Los Alamos Laboratory Produced 1945–1949 No. built 120 Specifications Mass 10,300 pounds (4,670 kg) Length 128 inches (3.3 m) Diameter 60 inches (1.5 m) Filling Plutonium Filling weight 6.2 kg Blast yield 21 kt (88 TJ) "Fat Man" (also known as Mark III) was ...

  4. McDonald Ranch House - Wikipedia

    en.wikipedia.org/wiki/McDonald_Ranch_House

    The McDonald Ranch House in the Oscura Mountains of Socorro County, New Mexico, was the location of assembly of the world's first nuclear weapon.The active components of the Trinity test "gadget", a plutonium Fat Man-type bomb similar to that later dropped on Nagasaki, Japan, were assembled there on July 13, 1945.

  5. Nuclear weapon design - Wikipedia

    en.wikipedia.org/wiki/Nuclear_weapon_design

    For both the Trinity device and the Fat Man (Nagasaki) bomb, nearly identical plutonium fission through implosion designs were used. The Fat Man device specifically used 6.2 kg (14 lb), about 350 ml or 12 US fl oz in volume, of Pu-239 , which is only 41% of bare-sphere critical mass (see Fat Man article for a detailed drawing) .

  6. Chemist digs for clues related to New Mexico atomic bomb - AOL

    www.aol.com/chemist-digs-clues-related-mexico...

    The bomb contained “13 pounds of weapon-grade plutonium,” according to the National Park Service. “Radioactive fallout descended to the northeast over an area about 250 miles long and 200 ...

  7. Operation Plumbbob - Wikipedia

    en.wikipedia.org/wiki/Operation_Plumbbob

    The operation consisted of 29 explosions, of which only two did not produce any nuclear yield.Twenty-one laboratories and government agencies were involved. While most Operation Plumbbob tests contributed to the development of warheads for intercontinental and intermediate range missiles, they also tested air defense and anti-submarine warheads with smaller yields.

  8. An unsettling photo of a US physicist cheerfully holding the ...

    www.aol.com/2016-05-16-an-unsettling-photo-of-a...

    The 1945 photo shows Manhattan Project physicist Harold Agnew holding the heart of one of the most devastating weapons in the world.

  9. Hanford Site - Wikipedia

    en.wikipedia.org/wiki/Hanford_Site

    The bomb failed to explode and the transmission line was not badly damaged. [75] [76] The Hanford Engineer Works was the only U.S. nuclear facility to come under enemy attack. [77] Hanford provided the plutonium for the bomb used in the 1945 Trinity nuclear test. [78] Throughout this period, the Manhattan Project maintained a top-secret ...