Hmm, I’m no expert, but I think I looked into this a while ago and it turned out to be pop-sci misinformation. What I’m finding from looking this up right now seems to confirm that it’s not actual empty space, but rather space with electro-magnetic fields or in a “false vacuum”, whatever that is precisely. If you happen to know a specific keyword for this phenomenon, though, I’d look into it some more.
But they do! Not a classical scale, but on the quantum scale this literally happens all the time.
Hmm, I’m no expert, but I think I looked into this a while ago and it turned out to be pop-sci misinformation. What I’m finding from looking this up right now seems to confirm that it’s not actual empty space, but rather space with electro-magnetic fields or in a “false vacuum”, whatever that is precisely. If you happen to know a specific keyword for this phenomenon, though, I’d look into it some more.