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With three detectors, it becomes possible to measure the polarization of gravitational waves. https://ligo.org/science/Publication-O1StochNonGR/index.php https:
by akuchling 5y ago
With three detectors, it becomes possible to measure the polarization of gravitational waves. https://ligo.org/science/Publication-O1StochNonGR/index.php https://ligo.org/science/Publication-O1StochNonGR/index.php
Some quantum-gravity theories predict additional polarization modes that general relativity doesn't, so such measurements may start ruling particular theories in or out.