How LIGO discovered gravitational waves -- and what might be next

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October 3, 2017 Today's TED Talk How LIGO discovered gravitational waves -- and what might be next 13:39 minutes · TED2017 More than 100 years after Albert Einstein predicted gravitational waves -- ripples in space-time caused by violent cosmic collisions -- LIGO scientists confirmed their existence using large, extremely precise detectors in Louisiana and Washington. Astrophysicist Gabriela González of the LIGO Scientific Collaboration tells us how this incredible, Nobel-winning discovery happened -- and what it might mean for our understanding of the universe. (In Spanish with English subtitles.) Watch now »   Playlist of the Day How we study space Beyond our galaxy, there lies much more to be discovered. Learn how we explore the universe with talks that are definitely out of this world. Watch » 13 talks · Total run time 2:22:49   Download the TED app

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