Wow, I wish every book had a page like this!

Clever cat

Been a while since I’ve geeked out on recursively-defined infinite lazy seqs. (A solution to the Double Cola problem.)

Even though there is an inherent tree-like structure, I’m now fairly convinced the computational complexity of collecting dead Leland cypress branches, while leaving the remainder of the tree intact, must be somewhere in the vicinity of O(n).

Virtual and real Morse

Gonna see what this geomagnetic storm is all about

Alien tech

Hanging with a couple of the titans of the Commodore era—Bil Herd and Albert Charpentier

Nice day for listening to CW

Spring time and Kalman filters