Dean W. Armstrong

Tom Friedman points out the obvious stupidity of McCain's and Clinton's idea of a gas tax holiday for the summer.

In my attempt to remove the prominent vignetting which restricts the scanned area to 5x8 inches, I broke the camera. This was to be expecte...

The light was rapidly falling last evening and this was my last image, with a full open aperture, but it was still underexposed by about a s...

Compact Fluorescents are all hot right now. And it's Earth Week. I bought a floor lamp from Home Depot that used a single standard bulb...

The Ryerson Astronomical Society got SG funding for a weather station on campus, to get accurate weather data (which is really important in ...

Today I mounted an inexpensive IR blocking filter in front of the lens using a cardboard mount. It's ugly, but gets the job done. I di...

A great way to drive traffic to a site about web site statistics. Don't miss the powerpoint slides. Analytics according to Captain Kirk...

Click to enlarge any of these to the original size (the first image is actually only 50%). An early image with the prototype cardboard camer...

More gadget blogs need this sort of writing. We are using several Eee PCs here as dumb terminals for various headless servers and they work...

Some photos of the current iteration of the large format scanner camera. I built this over the past month after getting out of the mark I c...

Just yesterday after pointing out the post about wasted energy in Treehugger they bring up one of the solutions to the energy problem: usin...

And when we fail to prosecute crimes by "special people", everyone loses. Elected officials deserve the highest scrutiny. Those ...

Treehugger picked up on the great New York Times graphs of energy lost in different sectors of the US. And they also remembered the great ...

Have you ever taken a magnifying glass in a darkened room and focused the scene outside on a wall? Or just focused the sun or a bright ligh...

I originally passed over this image while taking a bunch of near infrared photos on campus. The underexposure from looking into the partial...