The Status of the P Versus NP Problem It's one of the fundamental mathematical problems of our time, and its importance grows with the rise of powerful computers. (via mr)
posted by kliuless on Aug 27, 2009 - 116 comments

The Free Will Theorem - "If there exist experimenters with (some) free will, then elementary particles also have (some) free will." (previously)
posted by kliuless on Jun 28, 2009 - 229 comments

Ever wondered if and where a specific set of numbers could be found in pi? Maybe you'd like to know where your birthday is? Or maybe just something funny. [prev. here, here] [more inside]
posted by TimeTravelSpeed on Dec 4, 2007 - 68 comments

kevin bacon as math theory: properties of the kevin bacon absorbing set
posted by riley370 on Oct 17, 2000 - 2 comments