doperative (1958782) writes "If you have nothing better to do at midnight next Sunday after stuffing yourself full of Easter lamb or ham, you might want to wander over to Canonical, get a slice of "Natty Narwhal", and chew on a bit of Ubuntu Server 11.04." Link to Original Source
We warn the reader in advance that the proof presented here depends on a
clever but highly unmotivated trick.
-- Howard Anton, "Elementary Linear Algebra"