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The bomb would be placed into the heart of Jumbo, and if the bomb's detonation was unsuccessful the walls of Jumbo would not be breached, making it possible to recover the bomb's plutonium. Hans Bethe, Victor Weisskopf, and Joseph O. Hirschfelder made the initial calculations, followed by a more detailed analysis by Henderson and Carlson. [23]
The initiator used in the implosion design of the Fat Man bomb that was dropped on Nagasaki was code-named "urchin". In order to increase the efficiency of the explosion, the initiator had to emit a large number of neutrons in a few microseconds while the plutonium core was fully compressed. [44]
An area near the Trinity site is designated the Permanent High Explosive Test Site (PHETS) and was used in the 1980s to host very large ANFO blasts for international testing of military gear. The Trinity nuclear site was originally private property taken over by the Army to test the plutonium implosion weapon, the first nuclear explosion on Earth.
The fourth arming device—the pilot's safe/arm switch—was not activated, preventing detonation. The second bomb plunged into a muddy field at around 700 mph (300 m/s) and disintegrated. Its tail was discovered about 20 feet (6 m) down and much of the bomb recovered, including the tritium bottle and the plutonium. However, excavation was ...
The lab disassembled bomb components, recovering the tritium within and sending it for repurification at Savannah River Site. Mound supplied enriched non-radioactive isotopes. The lab also produced plutonium-238-powered thermoelectric heat sources called SNAP or Systems for Nuclear Auxiliary Power for the U.S. space program.
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 ...
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.
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