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Slate Magazine
slate.com > briefing > 2026 > 09 > join-slates-open-thread-september-14.html

A Ripple in Spacetime

7+ hour, 53+ min ago   (129+ words) Slate On this day in 2015 gravitational waves were detected for the first time by the Advanced LIGO interferometers in Louisiana and Washington state. The waves, predicted by Einstein’s general relativity, are caused by the rippling of spacetime caused by movement…...