Physics is filled with mysteries – and believe it or not, gravity remains one of them. We rely on gravity to explain things large and small. And yet, at a fundamental level, we still don’t fully understand it. At the heart of the challenge: A rift between general relativity and quantum mechanics – two spectacularly successful theories that won’t play nicely together. In this video, we go inside the labs where scientists are investigating gravity with innovative and ingenious experiments: Cooling metal bars to near absolute zero, suspending microscopic gold beads, and searching for signs that gravity might be quantum.
Learn more ➤ https://www.newscientist.com/article/2514908-gravitational-wave-signal-proves-einstein-was-right-about-relativity/
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