Today's XKCD
2012-04-26 00:41:10.0845+02 by Dan Lyke 0 comments
Best explanation of one of today's XKCD http://xkcd.com/1047/ elements starts "For anybody wanting to think about this geometrically, draw the unit circle in the complex plane and mark the 14th roots of unity. ..." And did anyone else have to Google Jenny's Constant? Explanations at http://www.explainxkcd.com/2012/04/25/approximations/