In light of all the talk of cubes greater than 3 x 3 x 3, such as
4 x 4 x 4, or 5 x 5 x 5, perhaps you would like to comtemplate a
cube that is 3 x 3 x 3 x 3, or 4 x 4 x 4 x 4. The idea of adding
dimensions is really reasonable, since it needn't be mechanically
possible. This Rubics hypercube could probably be represented by
a video display in some form.

This is at least a matter for further contemplation.
-IHM
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