Device could sniff out fusion reactors secretly making material for a nuclear bomb

RESEARCH HIGHLIGHT

04 June 2026

Antineutrinos made alongside the production of weapons-grade plutonium could be spotted with existing technology.

Existing particle detectors could be used to check whether future fusion reactors are secretly producing materials for nuclear weapons1.

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doi: https://doi.org/10.1038/d41586-026-01764-6

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