Nerd fun: Blackboards in Porn

If you're a nerd like me, you notice the little things that movies get wrong about science and math. I'm glad I'm not the only one because BlackBoardsinPorn.com not only notices, but dissects, analyzes and verifies the stuff written on blackboards in the ubiquitous schoolroom scenes in porn. Read it, and you may learn a little something about the laws of science yourself.