I have a friend who competes in Rubik’s Cube championships. He can solve those puzzles with his hands (and feet!) in seconds, and you can watch his dizzying feats on YouTube. A few weeks ago he received an email accusing him of ripping off a “unique 2x2x2 mechanism.” We’re not exactly sure what that phrase means. Could it mean that the e-mailer is laying claim to a particular method of solving the Rubik’s.. Read More