RE: Random Thoughts
July 21, 2021 at 10:23 am
(This post was last modified: July 21, 2021 at 10:24 am by polymath257.)
(July 19, 2021 at 6:32 pm)Angrboda Wrote: Scientists suggest the universe might be a giant 4D donut. When I was 14, I thought the donut shape was the basis of physical reality. Their reasons may be different from what mine were, I don't know.
Did they suggest exactly which topology they suspect? I'm guessing S1xS3 as opposed to S1xS1xS1xS1. It's more likely to be spherical in the spacial dimensions and circular in the time dimension, I think.