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Upgrades Hoped to Bring Better Results on LIGO’s Third Run

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STANFORD, Calif., April 10, 2019 — LIGO, the world’s largest gravitational-wave observatory, once considered a “total waste of money,” has nearly doubled its capability to detect gravitational waves and is now more sensitive than ever to the tiny ripples in spacetime generated when black holes and dead stars collide. The broader capability is a result of numerous upgrades to the lasers, mirrors, and quantum noise filters at LIGO’s facilities in Washington state and Louisiana, making it possible to scan about twice the volume of space for smashups between two black holes or two neutron stars. ...Read full article

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