Dean W. Armstrong

You might have read about a UCLA team that's developed a way to reduce UV degradation of thin film solar cell systems. They claim a pat...

The president insists that Congress pass his preferred version of the domestic spying bill, with telecomm immunity, saying "The compani...

See the clouds go by at night at http://skycam.uchicago.edu/ . It's a field of view 30x50 degrees pointed south at about 50 degrees up....

I'm still attempting to purge myself of a cold I've had for a week and a half, and the cold and snow isn't really helping.

Schneier calls it right: security theater. No defined threat, only to "make people feel safer". The right to travel really has ...

There is a big misconception in the media reports about the attempted kinetic attack on USA 193 that may happen tomorrow night: it won't...

My thoughts are with the victims of the tragedy today.

The end of another era in photography . Did you know Kodak stopped making black and white paper two years ago? The difference between that...

New lights dim club's stargazing The new lights have created extensive light pollution in the local sky, a phenomenon that occurs when l...

If the Shuttle launches as planned in a few days on the 7th, the ISS will be positioned for good viewing during the time the Shuttle is nea...

I run a copy of the Sloan Digital Sky Survey (data release 5). It sits on two large SQL servers and a single blade web server. I needed s...

Never forget! 1-31-07, the day Boston authorities freaked out over the ATHF Mooninites ads. They had been hanging for two weeks without peo...

The Messenger science team produced some great press release images and the Planetary Society Blog has a great analysis . Make sure you tak...

There is no doubt that the northern winter continues on at full strength, ignoring the cold and wind chill. The full moon rose last night w...

This will probably be my last comments on the proposed New York City bill to regulate detectors, hopefully because it sounds like some peopl...