File talk:Toffoli BilliardBall.gif

it seems the bottom-left and top-right corners should be cut off at 45degree angles in order to cause the balls to bounce in the indicated directions. as shown, they'd just rebound back in the same direction they came from. vroman (talk) 01:33, 29 March 2008 (UTC)

absolutely right, now the image has been updated. —Preceding unsigned comment added by Newcomp (talk • contribs) 18:34, 30 May 2008 (UTC)