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Catching gravity, rolling by

01 Sep 2015
Taken from the September 2015 issue of Physics World

Nearly a century after Einstein predicted the existence of gravitational waves, the long effort to detect them directly is heating up. David Appell explains how a major upgrade at the Laser Interferometry Gravitational-wave Observatory may soon bring the hunt to a successful close

Gravity catcher: LIGO
In the dry scrubland of eastern Washington State, a few miles from what was once America’s pre

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David Appell is a science writer living in Salem, Oregon, US, www.davidappell.com
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