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The Dimensionality of Space-Time
by Physics Frontiers
43m 38s
20,305
November 25, 2018
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EPISODE DESCRIPTION
Jim discusses why the world we observe is 4-dimensional with Randy. We discuss anthropic and fundamental reasons why we need 3 dimensions and no more than one time dimension for reasons of complexity, predictability and stability.

Show Notes: http://frontiers.physicsfm.com/38
COMMENTS
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Linda Kilmer
December 3, 2018
I really enjoyed this podcast! Max Tegmark is a great physicist. I once had a brief discussion with him regarding fractals geometry. I am so glad you chose this paper. I didn’t know about it, as are all your episodes with which as based! I get an lot out of every podcast. I just recently replayed the episode on time travel. That one is a classic! It was immensely informative! It’s almost impossible to talk about time travel with out it digressing into the...ummmmm...less than plausible???? And of course your wit is always entertaining!! Thanks again! Happy Holidays, Jim & Randy!!
Jim Rantschler
December 4, 2018
Thanks Linda! We enjoyed this one, too, and will probably hit that time paper in the future. I read it after we recorded this podcast, and I think I need to find something meatier to go with it, though. I was looking at that! Fractal Cosmology would be a cool thing to talk about!
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