Major Quantum Achievement Lets Physicists 'See' Gravitational Waves From Deeper in the Universe

Major Quantum Achievement Lets Physicists ‘See’ Gravitational Waves From Deeper in the Universe

by Ryan F. Mandelbaum, Gizmodo

Physicists are reporting the results of a test to squeeze the vacuum of spacetime itself in order to better detect gravitational waves from colliding black holes.

Extreme extraterrestrial events, like two black holes colliding or supernovae, may produce ripples in spacetime called gravitational waves. Here on Earth, a suite of observatories attempts to measure these ripples using lasers—but the wave effects can be so subtle that even the randomness built into empty space itself gets in the way of the experiment’s sensitivity. But this new method, the result of decades of research, has allowed researchers to suppress this noise and extend the reach of the gravitational wave detectors.

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