[FOM] Could spacetime be discrete?

John McCarthy jmc at steam.Stanford.EDU
Sun Jan 15 18:07:25 EST 2006

The big advocate of a cellular space time is the computer scientist
Edward Fredkin.  He has to make the scale small enough to account for
the apparent rotational invariance of space.  Some physicists were
interested in his efforts, but I don't think he got anything

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