The way we explore the universe just changed

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Need an easy-to-understand visual explainer on today’s announcement confirming Einstein’s theory of gravitational waves? Watch this video by Brian Greene, a theoretical physicist and author from Columbia University, who explains gravitational waves as ripples in the fabric of space-time.

“This is big,” Greene said. “This will go down in science as a pivotal moment. And not just because it’s another spectacular confirmation of Einstein’s ideas, which it is. But rather because, for millennia, we have explored the universe using waves of light. This discovery marks the opening of a new era in which we will explore the universe using waves of gravity.”

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