1967-2016 LIGO

The book of science

Tom Sharp

Richard A. Isaacson, Rainer Weiss, Kip Thorne, Barry C. Barish astrophysics


Infinite sea of spacetime

Gravity dilates time

Each arm of the LIGO laser interferometer at Hanover is four kilometers long. Extraordinary engineering has been required to keep it still. Even though it is 250 miles from the Pacific Ocean, they say in a storm that the device can hear ocean waves crashing on the rocks.

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