4 ms·
A perfect vacuum still displays activity in the form of "vacuum energy" - a counterintuitive property of the universe where particles apparently blink into exis
by hughes 10y ago
A perfect vacuum still displays activity in the form of "vacuum energy" - a counterintuitive property of the universe where particles apparently blink into existence for a short duration in otherwise empty space.
https://en.wikipedia.org/wiki/Vacuum_energy https://en.wikipedia.org/wiki/Vacuum_energy
- AdamN 10y agoWow!
- ScottBurson 10y agoRight -- it's probably more accurate to say that a perfect vacuum has no temperature than to say it's at absolute zero.