Physics Found Gravitational Waves. Now Come the Existential Questions
On September 14, 2015, at 3:50 AM Central time, a tiny vibration shuddered down the 2.5-mile-long arms of a massive machine in Livingston, Louisiana. A fraction of a second later, a similar vibration shook the arms of an identical machine in Hanford, Washington. Eventually, physicists from those facilities confirmed the nature of those twinned tremors: …
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