Sunday, December 7, 2008

150 puzzles

click on the puzzles for a PDF version.

Wednesday, May 21, 2008

Fermilab’s Strange Letter

Can you decode the strange letter sent to Fermilab?

See progress here and here.

Monday, May 19, 2008

Arduino Nano

The Arduino Nano looks like a nice little board.

Tuesday, October 30, 2007

Irrigation controller

six zone irrigation controller

I have mostly completed the irrigation controller hardware. I need
to work on the software side, so I can program it from my phone.

Tuesday, August 21, 2007

I'm working on a list of planetary nebula to image. Any suggestions?

Thursday, August 9, 2007

puzzles for 9 august 2007

click on the puzzles for a PDF version.