We have to be careful here to differentiate between a concept and something that exists. A volume is a concept..."Pure Vacuum" may or may not exist.
Seems to be true but does this mean that "pure vacuum" or "nothing" does not exist or ever did exist...period...dead stop?
We shouldn't "hedge" when it comes to defining "Pure Vacuum". It should be nothing..period. If you observe energy of any kind within a fixed volume...
Pure Vacuum versus Perfect Vacuum I think there is a subtle difference between a "Pure Vacuum" and a "Perfect Vacuum". A perfect vacuum is more of a...
Can a Pure Vacuum or a perfect vacuum exist in our universe? If so, is that what existed before the Big Bang? Also, is a pure vacuum...absolute...
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