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Re:Rumours swell over new kind of gravitational-wave sighting by imaginenore on Saturday August 26, 2017 @01:03PM (#15106281)
We could build a second detector, sync their clocks, separate them, and measure the speed directly.
Re:Rumours swell over new kind of gravitational-wave sighting by greglindahl on Saturday August 26, 2017 @02:21PM (#15106643)
LIGO is 2 pairs of detectors.