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In a fission nuclear reactor, uranium-238 can be used to generate plutonium-239, which itself can be used in a nuclear weapon or as a nuclear-reactor fuel supply. In a typical nuclear reactor, up to one-third of the generated power comes from the fission of 239 Pu, which is not supplied as a fuel to the reactor, but rather, produced from 238 U. [5] A certain amount of production of 239
The Fukushima nuclear accident was a major nuclear accident at the Fukushima Daiichi Nuclear Power Plant in Ōkuma, Fukushima, Japan, which began on 11 March 2011. The proximate cause of the accident was the 2011 Tōhoku earthquake and tsunami , which resulted in electrical grid failure and damaged nearly all of the power plant's backup energy ...
The RDS-1 (Russian: РДС-1), also known as Izdeliye 501 (device 501) and First Lightning (Russian: Пе́рвая мо́лния, romanized: Pyérvaya mólniya, IPA: [ˈpʲervəjə ˈmolnʲɪjə]), [1] was the nuclear bomb used in the Soviet Union's first nuclear weapon test.
The only remaining issues were traces of HEU found at one location, and allegations by US intelligence agencies based on a laptop computer allegedly stolen from Iran which reportedly contained nuclear weapons-related designs. The IAEA report also stated that Tehran continues to produce LEU.