Babylon and the Square Root of 2 (2011)

Please read the comments.

This was the final tab in a Firefox window I've wanted to close for years. That Firefox window is the final thing of interest on a laptop I've wanted to retire for a decade. After this post, I hope to retire the laptop and move on. The overall motivation is well-phrased by Baez in an early comment:

To me posts never grow old; I would the discussions to go on for centuries.