see also: http://en.wikipedia.org/wiki/Calculating_Space http://en.wikipedia.org/wiki/Calculating_Space http://people.idsia.ch/~juergen/digitalphysics.html ht

see also: http://en.wikipedia.org/wiki/Calculating_Space http://en.wikipedia.org/wiki/Calculating_Space http://people.idsia.ch/~juergen/digitalphysics.html http://people.idsia.ch/~juergen/digitalphysics.html