Ghostly antineutrinos could help ferret out nuclear tests

But building detectors up to the task would be a huge undertaking

Super-Kamiokande

NUKE SPOTTER  The Super-Kamiokande detector (shown) in Hida, Japan, could catch antineutrinos from a powerful nuclear blast about 100 kilometers away, scientists calculated.

Kamioka Observatory/ICRR/University of Tokyo

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