.. (sorry, I've been listening to Duke Spirit).

This is an engineer's idea of a joke. It's why why architects are so reluctant to invite them to social events...

This will distract you for 30 seconds

http://www.illusionsciences.com/ 

This is kind of cool...

http://www.freep.com/apps/pbcs.dll/article?AID=/20080617/MULTI/80617040

This is a task that will never get done...