bjg1492 t1_ivsmfq2 wrote on November 10, 2022 at 8:45 AM Reply to comment by SequencedLife in 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 by marketrent Most particles don't have zero mass, so the energy also has to come from somewhere. Permalink Parent −4−
bjg1492 t1_ivsmfq2 wrote
Reply to comment by SequencedLife in 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 by marketrent
Most particles don't have zero mass, so the energy also has to come from somewhere.