When a tennis ball bounces off the ground, you could be forgiven - TopicsExpress



          

When a tennis ball bounces off the ground, you could be forgiven for thinking its movement is smooth. But this is just an illusion. The ball is constantly switching between closely packed quantum states of gravitational energy — so quickly that the transition seems smooth. Now physicists have measured these transitions in neutrons so precisely that they could put some theories of dark energy to the test. nature/news/bouncing-neutrons-probe-dark-energy-on-a-table-top-1.15062?WT.mc_id=FBK_NatureNews
Posted on: Fri, 18 Apr 2014 12:00:00 +0000

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