How much does 1 kg of plutonium cost? Since the energy per fission from plutonium-239 and uranium-235 is about the same, the theoretical fuel value of fissile plutonium can be put at $5,600 per kilogram. Reactor-grade plutonium also contains non-fissile isotopes, reducing its value to abou...
Originally, the Manhattan Project was working on three different types of nuclear weapons: TheThin Man(agun-type fission plutonium weapon), theFat Man(animplosion-type nuclear weapon) and theLittle Boy(a gun-type fission uranium weapon). Of these, the first was abandoned in July 1944, when ...