5 ms·

You couldn’t tie your shoelaces in 4D because the laces would just slip around each other.

• deleted 4y ago
  [deleted]
• Filligree 3y ago
  Aren’t some organic molecules effectively knots? Though I imagine there are plenty of alternatives.
• OscarCunningham 3y ago
  You can't knot 1-dimensional curves in 4-dimensions, but you can knot 2-dimensional surfaces.
  • rbanffy 3y ago
    Therefore, a 5D being ties their shoes with 3D universes.
    • FartyMcFarter 3y ago
      New twist on the simulation argument: we're living in the shoelaces of someone's high-tech shoes.
      • macrolocal 3y ago
        A 6D being even! We live from aglet to aglet.