Bouncing Off the Walls

Like us at Math Blog HQ, the Problem of the Month’s Big Kahuna is back from a restful summer (the BK was no doubt lounging on the beaches of the Outer Banks).

If you’re looking for something to ponder while you wait for your first homework assignments, you can do no better than the Problem of the Month.  The Big Kahuna has dropped a fantastic first problem on us:


Go here for the full sized version.