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-domi- t1_ivsmjd6 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

Surely, that's a change in entropy going to wrong way, though? Do we have any other evidence of materializing matter for free at zero energy investment? What about mass?

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SequencedLife t1_ivsmqml wrote

It’s not a zero investment - the energy comes from the ground state so-called “zero point” energy

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