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  • Worlds
    Last post
  • Higher Spatial Dimensions
    Ideas about how a world with more than three spatial dimensions would work - what laws of physics would be needed, how things would be built, how people would do things and so on.
    468 Topics
    5617 Posts
    Last post by PatrickPowers View the latest post
    Fri Apr 21, 2023 4:54 am
  • Non-Spatial Dimensions
    Discussion of theories involving time as a dimension, time travel, relativity, branes, and so on, usually applying to the "real" universe which we live in.
    137 Topics
    1688 Posts
    Last post by gonegahgah View the latest post
    Wed Apr 26, 2023 12:33 pm
  • Consciousness
    Discussions about the possibility of consciousness, free will, spirits, deities, religions and so on, and how these might interact with time travel, the Big Bang, many worlds and so on.
    64 Topics
    1260 Posts
    Last post by szluk View the latest post
    Tue Feb 09, 2021 12:16 am
  • Toratopes
    Discussion of shapes with curves and holes in various dimensions.
    127 Topics
    2601 Posts
    Last post by mr_e_man View the latest post
    Sun Apr 23, 2023 11:12 pm
  • CRF Polytopes
    Discussion of known convex regular-faced polytopes, including the Johnson solids in 3D, and higher dimensions; and the discovery of new ones.
    77 Topics
    3107 Posts
    Last post by mr_e_man View the latest post
    Thu May 25, 2023 4:23 am
  • Other Polytopes
    Discussion of tapertopes, uniform polytopes, and other shapes with flat hypercells.
    253 Topics
    2994 Posts
    Last post by quickfur View the latest post
    Mon May 01, 2023 6:34 pm
  • Other Geometry
    Higher-dimensional geometry (previously "Polyshapes").
    210 Topics
    1993 Posts
    Last post by Marek14 View the latest post
    Wed Feb 08, 2023 10:13 pm
  • Where Should I Post This?
    If you don't know where to post something, put it here and an administrator or moderator will move it to the right place.
    344 Topics
    3186 Posts
    Last post by _stla_ View the latest post
    Sat Sep 17, 2022 6:00 am
  • Programming
    Discuss interdimensional programming, Java applets and so forth.
    76 Topics
    507 Posts
    Last post by PatrickPowers View the latest post
    Sat Aug 06, 2022 8:02 am
  • Visualization
    Discussions about how to visualize 4D and higher, whether through crosseyedness, dreaming, or connecting one's nerves directly to a computer sci-fi style.
    26 Topics
    582 Posts
    Last post by Hugh View the latest post
    Sat May 20, 2023 7:27 am

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