Gravitational Waves: Ripples in Space-Time Detected For First Time

By Maggie Fox

Excited scientists announced Thursday they have detected gravitational waves — distortions in space-time — from the collision of two black holes 1.3 billion years ago.

It's a discovery that was widely predicted but never actually proven, and it confirms many of Albert Einstein's theories about the universe. 

"Ladies and gentlemen, we have detected gravitational waves," David Reitze, executive director of Caltech's twin Laser Interferometer Gravitational-Wave Observatory (LIGO) laboratory, said at a news conference in Washington, D.C.  

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Source: NBC News