Built on Facts

Archives for April, 2009

Density of (sexual) states

I’ve wanted to do some writing about statistical mechanics, but it’s difficult to do without it turning into deathly boring strings of equations. There’s ways to make it interesting, I’m sure, and I think webcomic artist Randal Munroe has found one: Full size at the link. “Hmm,” thought I when I read it. “that sounds…

Pushmi-pullyu

This is a pulley, pulled straight off Wikipedia: On the test that my students had last week, there was a question involving pulleys connected in a sort of eclectic arrangement. The objective was to find the tension in certain ropes which were holding the pulleys up. Imagine instead of being connected to the ceiling, the…