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Reuters Publication Date:
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MIT scientists have published a new study questioning the use of high-assay low-enriched uranium (HALEU) planned for next-generation U.S. nuclear reactors, writes Timothy Gardner for Reuters. "This material is directly usable for making nuclear weapons without any further enrichment or reprocessing," explains Prof. Scott Kemp, noting while the uranium is enriched to levels of up to 20%, compared with about 5% for most reactor fuel, 10% to 12% would be far safer.