Message #663

From: "jony.vaughan" <>
Subject: Scientific American article on Rubik’s cube and groups
Date: Wed, 06 May 2009 20:17:16 -0000

Hi there,

Just came across this article and thought it might be of interest to those of you for whom 3D Rubik’s cube-style puzzles have become way too easy (I’m guessing that applies to most of you)

Have fun,