For those curious, here&#x27;s what the gravitational wave recently detected by LIGO sounds like, slowed down: <a href="http:&#x2F;&#x2F;www.techinsider.io&#x2F;gravitational-wave-black-holes-sound-2016-2" rel="nofollow">http:&#x2F;&#x2F;www.techinsider.io&#x2F;gravitational-wave-black-holes-sou...</a>