XKCD has been really hit or miss for the last year. This was chuckle inducing (mostly brought up my linux nightmares) but for the most part I've switched to SMBC for my guilty comic pleasure. Less math and physics, more biology, still lots of nerdy.
Yup, yup, yup. Tiny ad:
Solar ovens, haybox cooker - What would you build to go with a rocket oven?