Case of the Mondays? Here's the Cure:

If you have some spare interneting (yes, I made up a verb) time on your hands today, trying monkeying around with the Fantastic Contraption. It's described as a "fun online physics game". It may sound nerdy, but you are about to get addicted. Sorry.

Find it here: www.fantasticcontraption.com

Not intrigued yet? Here's a screen shot. I mean, just LOOK at that thing.