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.
Rototillers convert rich soil into dirt. Please note that this tiny ad is not a rototiller:
grow your own garden and build your own home in the gardening gardeners program