A first-of-its-kind experiment simulating the cosmos with ultracold potassium atoms suggests that in a curved, expanding universe pairs of particles pop up out of empty space newscientist.com Submitted by marketrent t3_yr8nw4 on November 10, 2022 at 7:50 AM in science 37 comments 273
halllllllllllannd t1_ivtsjhf wrote on November 10, 2022 at 3:41 PM When we were in high school me and my buddies used to pop out of empty space all the time, and it was no big deal Permalink −6−
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