Gravity waves

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The global push to detect gravitational waves could provide an enormous return for science. Wikimedia Commons

Rippling space-time: how to catch Einstein’s gravitational waves

By Paul Lasky, University of Melbourne

Albert Einstein made an executive decision to revolutionise our understanding of gravity in a paper published in 1916. Nearly 100 years on, a key prediction of Einstein’s theory has eluded direct detection…
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There’s more to gravity than apples falling from trees. Cea

Explainer: gravity

By David Blair, University of Western Australia

I have spent almost 40 years trying to detect gravity waves. When I started there were just a few of us working away in university labs. Today 1,000 physicists working with billion-dollar observatories…
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We know they’re out there, and now we’re closer than ever to finding gravity waves. NASA

Gravity waves, scientists wave back: squeezing light beyond quantum limit

By David Blair, University of Western Australia

Detecting gravity waves is a major goal for astrophysicists. We know they should be there, but we haven’t found them yet. But today we are one step closer. By literally squeezing light on a quantum level…

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