By blog reader and physics grad student at UT-Austin Frank Lee:
Frank does these drawings on the blackboards in the physics grad lounge whenever he gets bored of homework, teaching, or research. *Gasp* guns at school! haha. The school related commentary written besides many of the drawings is a nice touch.
You can check out more of his Chalkboard Drawings at his website. Damn I wish I could draw…
Thoughts?