This Is What Gravitational Waves Sound Like (Video)

This would have blown Albert Einstein's mind: We now know what ripples in the fabric of space-time sound like. On Thursday (Feb. 11), scientists with the Laser Interferometer Gravitational-Wave Observatory (LIGO) project announced that they had made history's first-ever direct detection of gravitational waves, mysterious phenomena first predicted a century ago by Einstein in his theory of general relativity. LIGO's two detectors — one in Louisiana and the other in Washington state &md