Ghostly antineutrinos could help ferret out nuclear tests
But building detectors up to the task would be a huge undertaking
![Super-Kamiokande](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2018/08/081618_EC_neutrino-nukes_feat.jpg?fit=860%2C461&ssl=1)
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