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.
Message for you sir! I think it is a tiny ad:
A rocket mass heater heats your home with one tenth the wood of a conventional wood stove
Good one Burra!
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