Dark matter experiments get a first peek at the ‘neutrino fog’
It’s a new way to observe neutrinos, but points to a future obstacle in dark matter detection
![A metal structure in the innards of the XENON-nT experiment.](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2024/07/071924_ev_neutrino_fog_feat.jpg?fit=1030%2C580&ssl=1)
The XENONnT dark matter experiment has spotted signs of neutrinos interacting in its detector (shown).
XENON Collaboration