It turns out messy, 'cheap' glass might be way better at catching dark matter than the perfect crystals scientists usually use.
March 25, 2026
Original Paper
Dark Matter Detection Using Phonon Sensing in Amorphous Materials
arXiv · 2603.22390
The Takeaway
While most detectors look for specific signals in pure crystals, the random structure of glass allows it to pick up a much broader range of dark matter signals. This could allow a tiny tabletop detector to outperform massive underground experiments.
From the abstract
We present a concept for a tabletop-scale detector with an amorphous target designed to search for dark matter absorption into phonon excitations. In crystalline materials, absorption occurs only at narrow resonances where the dark matter mass matches a zero momentum optical phonon mode, whereas amorphous targets provide a broadband response that can substantially enhance the absorption rate away from these resonances. The predicted backgrounds arise from the relaxation of disorder-induced metas