The number of Rubik's cube positions at a distance of exactly 15 in the half turn metric is 91,365,146,187,124,313. This was determined in a collaboration between Morley Davidson, John Dethridge, Herbert Kociemba, and me.

I just got my ham license (Amateur Extra) and a vanity call (W6TGR). Hope to see you on the air, after I get the antenna stuff figured out.

I ran the Big Sur Marathon again this year (April 26th). My time was slow (4:10) but I ran sick so I'm not too disappointed.

I've been programming the propeller microcontroller. I have fat16 secure digital card support working, and I have been building a robot based on the propeller. I'm also trying to build a retro-style microcomputer based on the chip.

I've been spending some time developing Golly, a new Life program.

See the results of my cube programming contest!

I have some new results on Paterson's Worms.

Want to see the various names your machine can be accessed by?

I like to swing dance when I can; you can't beat Rob and Diane for classes and fun!

I just released a version of Hash Life and a companion display program called hlife.

I did some investigations on a new and interesting Life Form.

I have been competing on TopCoder.

You might be interested in the Radical Eye Website.

I'm a founder of Instantis, a startup in Sunnyvale.

The official dvips web page still needs some updating.

I recently wrote a ray tracer as part of a programming contest.

I am co-inventor on seven patents.

Can you solve one of my favorite puzzles?

Some places I go to frequently:

• Google
• CNN.com
• User Friendly the Comic Strip - The Daily Static
• CNNSI.com from CNN and Sports Illustrated
• Slashdot