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Thu, May. 28th, 2009, 10:00 pm
Geary Cube

This is the Geary Cube puzzle, another Bram and Oskar collaboration. It's externally identical to a Rubik's Cube, but has internal gearing which forces opposite faces to turn in opposite directions simultaneously. It's my favorite subgroup of the Rubik's Cube (you can try it yourself with a regular Rubik's Cube) and easily makes a bunch of pretty patterns. It's overall easier than a regular Rubik's Cube is, but the solution technique is very different and interesting and not related to the standard ways one solves twisty puzzles.

Fri, May. 29th, 2009 06:45 am (UTC)

That's the antislice group, right? I used to be able to wander around in that and find my way back to a solution. I'm boggling over how your internal gearing might work. Very cool.