In-depth articles on technical and artistic subjects including photography, animation, sustainable living, quantum physics, software development.

Ruby - info, tips on the Ruby language

Baseball Seam - computing a curve shaped like a baseball seam, in response to a question asked long ago in the POV-Ray forum.

The Goat and the Car: A Probability Puzzler - my take on the famous Monty Hall Paradox, which even Mensans and math professors couldn't figure out straight. Includes links to other good pages on the topic.

Perfect Sine Wave Generator - an electronic gizmo i designed and built to make the purest 1KHz sine wave possible.

Overexposed Moon Images - image processing of a badly exposed digital photograph of the moon. How to bring out detail, tips on photographing the moon.

Cob Construction - cob and other natural materials for homes. A small cob project in mountains of Colorado I'm working on. ** contains obsolete info **

...more to come...