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Researchers have spent ten years improving the massive detectors they use to catch shockwaves from colliding black holes, and now the science is precise enough to test one of Stephen Hawking's key ideas.
(Image credit: Maggie Chiang)

Researchers have spent ten years improving the massive detectors they use to catch shockwaves from colliding black holes, and now the science is precise enough to test one of Stephen Hawking's key ideas.
(Image credit: Maggie Chiang)