http://www.superliminal.com/cube/cube.htm
^4-dimensional rubic's cube application. And some other examples near the bottom of that page. Of course, it's probably an 'artistic' interpretation of what 4-D looks like. But the math behind it seems plausible, but haven't read too much into it.
^4-dimensional rubic's cube application. And some other examples near the bottom of that page. Of course, it's probably an 'artistic' interpretation of what 4-D looks like. But the math behind it seems plausible, but haven't read too much into it.