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Gravitational waves are revealing a hidden universe

Caltech physicist and engineer Gabriele Vajente explains how LIGO detects the faint ripples in spacetime known as gravitational waves. He explores the engineering behind the world's most sensitive measuring instruments, what we've learned from black hole collisions and neutron stars, and what future observations could reveal.

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  How smart heat tape could help stabilize the power grid

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  Can math help you win at games and puzzles?

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  How intelligence experts prepare for threats we can’t predict

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  What massive stars reveal about the early universe

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  When should new medical technology change patient care?

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  Are we ready for humans to travel to Mars?

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  How autonomous mowers are making dangerous jobs safer

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  Award-winning science that makes you laugh, then think

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  How technology transforms society and disrupts industries

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  Research suggests pollutants may affect diabetes risk

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  Technology is changing the fight to protect endangered wildlife

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  The strange science behind 'tiny people' hallucinations

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  Designing innovations that work around the world

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  Gene editing could change the fight against cancer

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  How gambling pioneers helped shape modern computing