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| j. robert oppenheimer, s o h h, v/a compilations, camera operator, aluminum, lifestyle, dvd, information, period film, the, international video emporiums, fat labs, thefat man on game audio: tasty morsels of sonic goodness, soviet union, bart simpson, behind the scenes, | The mass of a moviedatabase plutonium gun-type device would have been beyond the payload of the B-29.The gun-type method could still be used for highly-enriched uranium, though, and was employed in the "Little Boy" weapon which was used against Hiroshima, Japan. For a variety of reasons, the implosion method is both more efficient than the gun-type method, and also far safer, as a moviedatabase perfect synchronization of the explosion lenses is required for the core to properly detonate, reducing the chances greatly of an accidental nuclear detonation. Because of its complicated firing mechanism, and the need for previously untested synchronization moviedatabase of explosives and precision design, it was felt that a full test of the concept was needed before the scientists and military representatives could be confident it would perform correctly under combat conditions. |
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| first it was thought that two pieces of sub-critical plutonium (Pu-239) could simply be shot into dvd one another to create a nuclear dvd explosion, and a plutonium gun-type design of this sort (known as the "Thin Man" bomb) was worked on for some time dvd during the Manhattan Project. However it was discovered that plutonium created for the bomb in the nuclear reactors at Hanford, Washington, was not as pure as the initial samples of plutonium developed at the cyclotrons at UC Berkeley. Because of the presence of the isotope Pu-240, reactor-bred plutonium had a much higher rate of spontaneous neutron emission than was previously thought, and if a gun-type device was used it would most likely pre-detonate and result in a messy and costly "fizzle". After this problem was realized in 1943, work began in earnest on the implosion bomb, the "Fat Man". It is theoretically possible to build a plutonium gun-type device, but it would need to be 19 feet long in order to allow the sub-critical masses to be fused into a critical mass before a fizzle occurs. |
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