Galaxy-Size Gravitational-Wave Detector Hints at Exotic Physics

Galaxy-Size Gravitational-Wave Detector Hints at Exotic Physics

The fabric of spacetime may be frothing with gigantic gravitational waves, and the possibility has sent physicists into a tizzy. Researchers like cosmic strings because they directly connect cosmological events to high-energy particle physics. “If we detected cosmic strings, it would be the detection of my lifetime,” says Eugene Lim, a cosmologist also at King’s College London. Certain overdense areas could collapse under their own weight, generating black holes in a variety of sizes. According to the researchers’ model, these miniature primordial black holes could comprise up to 100 percent of the dark matter in the universe.

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