Angela Yuan built this awesome Etch-A-Sketch clock that draws out the time and then erases itself every minute. It was built on the Arduino platform. Hit play or go to http://www.revver.com/video/719432/etch-a-sketch-clock/ [Revver] | Angela's website - Thanks Sean and SenorMysterioso!
//just kidding, it's a clever hack even though it was done by a slot instead of a tab.
he'll make you laugh
he'll make you think
He likes to run, and then the thing, with the... mmm person... Oh boy, that monkey is going to pay.