Physics is full of mysteries – and, imagine it or not, gravity stays one in every of them. We depend on gravity to explain issues giant and small. But at a elementary stage, we nonetheless don’t totally perceive it. At the guts of the problem: a rift between normal relativity and quantum mechanics – two spectacularly profitable theories that received’t play properly collectively. In this video, we go contained in the labs the place scientists are investigating gravity with progressive and ingenious experiments, equivalent to cooling steel bars to close absolute zero, suspending microscopic gold beads, and looking for indicators that gravity could be quantum.
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quantum gravity
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