Just lost a long-ish post to that stupid Firefox flash crash bug. Here’s the gist of it: Funny. Welcome.
Okay, it may not be fair to be that brief. That first link is a video of some brilliant maths humour. Check it out if you’re in the 0.001% of people who might think it’s funny. The second link is to a new blog by a friend of mine. Joe was one of my (very few) classmates back in the old theoretical physics days.