(no subject)
Doodling around with trying to redundantly understand the Feynman checkerboard model from a zillion and one different angles, because that is frequently how I like to learn things.

jsfiddle to produce that plot: http://jsfiddle.net/Q6xDr/1/
I've said it before, but I really love the wacom tablet for occasional note-taking, because it combines the immediacy of pen-on-paper sketching with the obvious advantages of software-manipulable data (e.g., marquee-move-copy-paste, easy access to many colors)

jsfiddle to produce that plot: http://jsfiddle.net/Q6xDr/1/
I've said it before, but I really love the wacom tablet for occasional note-taking, because it combines the immediacy of pen-on-paper sketching with the obvious advantages of software-manipulable data (e.g., marquee-move-copy-paste, easy access to many colors)