On 3/19/2025 4:56 AM, Alan Grayson wrote:
On Wednesday, March 19, 2025 at 5:40:48 AM UTC-6 John Clark wrote:
On Wed, Mar 19, 2025 at 4:30 AM Alan Grayson <[email protected]>
wrote:
/> If the universe is infinite in spatial extent, and we run
the clock backward, is all the mass/energy of the observable
region confined to a tiny or zero volume?/
*The short answer is nobody knows what will happen if you run the
clock back to zero, and the mystery remains regardless of if the
universe is finite or infinite. Nobody knows what will happen when
things get super small because our two best physical theories,
Quantum Mechanics and General Relativity, disagree with each
other. Most believe that something will prevent a zero volume from
ever occurring, but nobody knows what that "something" is. *
*
*
***John K Clark See what's on my new list at Extropolis
<https://groups.google.com/g/extropolis>*
Maybe it's a 5th force. What I'd like to know is this; assuming an
infinite spatial universe and that it gets very very small as we run
the clock backward, the observable regions shrinks, but what happens
to the unobservable region? Quentin claimed to have an answer, but I
can't recall what it was. AG
All theories treat the unobservable regions as being similar to the
observable (what else could you justify?). So every finite region,
observable or not shrinks to zero.
Brent
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