What will gravitational waves tell us about the universe

An article in New Scientist about last week's announcement that scientists with the LIGO experiment had finally detected gravitational waves directly quotes Dejan Stojkovic, associate professor of physics, on what it means for studying the universe and its origins. "We can potentially see all the way to the big bang," he said.

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https://www.newscientist.com/article/2077800-what-will-gravitational-waves-tell-us-about-the-universe/