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A computerized simulation of the large-scale distribution of dark matter in the universe. An overlay graph (in white) shows how a crystal sample intensely scintillates, or glows, when exposed to X-rays during a lab test. This and other properties could make it a good material for a dark matter detector. | Millennium Simulation, Berkeley Lab
Astrophysics

This New Detector Technology Aims to ‘Scintillate’ Elusive Dark Matter Particles

Dark matter is thought to account for 25 percent of the mass of the universe, but it has never been observed. Berkeley Lab researchers hope to change that with a new approach.

A crystal of gallium arsenide | Wikimedia Commons