Products

Web Sites

Is the Moon Full? An answer to the question.
Packety Pack An easy way for frequent travelers to manage packing lists.

Software

Copyright Plugin Keep your copyright up to date in WordPress.
Color Cycling Macros Be nice to your eyes in Emacs.
Select Time Machine An easy way to swap Time Machine drives on OS/X.

Education

The Mandelbrot Set An explanation of the Mandelbrot set along with a Java applet for exploring it.
BSP Trees An interactive demonstration of Binary Space Partitioning Trees (requires Java).
Catmull-Clark Subdivision A concise explanation, including equations and a sample sequence.
Haar Wavelets A brief example of how Haar wavelets can be used to compress images.