12 Facts You Didn’t Know About Gravitational Waves

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2. One Possible Way to Hunt for The waves Is To Measure Stretches in Space-time.

One Possible Way to Hunt for The waves Is To Measure Stretches in Space-time.

courtesy of: m.caltech.edu

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For that, American scientists use a huge laser system, the Laser Interferometer Gravitationalwave Observatory (LIGO).

Its detectors – which look like laser ‘rulers’ – are meant to spot tiny vibrations from passing gravitational waves.  

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