The underlying principal of free-market economics is that individual actors will, in the aggregate, make optimal choices. Why should we believe this to be true?
I've been playing with The Gimp a bit recently, using edge-detection, colorization, and some other filters on some of my photos to make vaguely-abstract desktop backgrounds. I think it's worked pretty well, so I'm posting a few of the things I made here. Well, more specifically, over at Flickr]. Let me know what you think.
So, I working on my algs problem set just now; which is to say, I was browsing the web and trying very hard not to think about amortized runtime analysis. Anyhow, I found this awesome webcomic called minus. I know, I know, I'm years behind the curve, and it's a little... odd. But it has a persistently beautiful surrealism to it. Anyhow, you all should go read it. And, of course, all of the other webcomics I read are listed under "Links" above.