In particular, Antypas’ team uses their experiment to search for a class of dark matter known as ultralight dark matter. At its heaviest, an ultralight dark matter particle is still about a trillion times lighter than an electron. According to quantum mechanics, all matter has particle-like and wave-like qualities, with larger objects typically harboring more particle-like qualities and smaller ones more wave-like qualities. ”When people talk about ultralight dark matter, what they mean is that the dark matter is more like a wave,” says physicist Kathryn Zurek of the California Institute of Technology, who was not involved in the experiment.
Like all other dark matter experiments so far, Antypas’ search
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