V-Cube 7 share 9 days ago by matthewkahle This looks neat: 7 x7 x 7 Rubik’s Cube . Will report back with a review after mine comes in the mail. I haven’t bothered to check their claim of the ludicrously large number of possible positions ( ) yet. But I remember the orginal Rubik’s Cubes saying something like, “millions and millions of posit ... mathematical musings - matthewkahle.wordpress.com |
The foolproof cube – a study in symmetry share 9 days ago by matthewkahle Besides being a fun toy, and perhaps the most popular puzzle in human history, the Rubik’s Cube is an interesting mathematical example. It provides a nice example of a nonabelian group, and in another article I may discuss some features of this group structure. This expository article is about an ex ... mathematical musings - matthewkahle.wordpress.com |