Can fuel for advanced nuclear reactors also be used in weapons? Some experts are calling for more safeguards.
Next-generation nuclear reactors are heating up a debate over whether their fuel could be used to make bombs, jeopardizing efforts to prevent the proliferation of nuclear weapons. Uranium in the fuel could theoretically be used to develop a nuclear weapon. Older reactors use such low concentrations that they don’t really pose a weapons proliferation threat.
Scott Kemp, associate professor of nuclear science and engineering and director of the MIT Laboratory for Nuclear Security and Policy. That 20 percent threshold goes back to the 1970s, and bad actors ostensibly have more information and computational tools at their disposal to develop weapons, Kemp and his coauthors write in the paper. It might even be possible to craft a bomb with HALEU well under the 20 percent threshold, the paper contends. '“This is not minor theft.
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