Dean W. Armstrong

When I need good near-infrared lighting, I turn to the broadband sources called the Sun and incandescents. They are the closest thing to a ...

This is great news : Southern California Edison is going to build 250MW of distributed photovoltaic solar energy across Riverside and San Be...

As Emily at the Planetary Society Blog points out , there are some decent opportunities to spot three spacecraft in nearly the same orbit ri...

It's Spring right this minute! Finally!

Last night there was a particularly bright gamma ray burst (080319B) located in Bootes that was perfectly located for a number of observator...

An article about light pollution, focusing on the biological effects, is in the Spring issue of Chicago Wilderness . The article was inpsir...

Click to enlarge Simply putting a double layer of fully-exposed color negative over a Canon A540 revealed it does have some decent near-IR l...

The current Space Shuttle mission is only visible in Chicago in the early morning. It will dock with the ISS on day three, so here's th...

Systemic is a blog by Greg Laughlin at UC Santa Cruz about exoplanetary systems--the explosive new field with nearly 300 planets detected t...

Turning Glare into Watts. If large numbers of plants are built, they will eventually pose some problems, even in the desert. They could take...

There was a bit of a dust-up in the prescription drug industry a few years ago: because of the high cost of many drugs in the United States,...

A coincidental occurrence today: A co-worker sent along a harrowing tale of Bill Menke, a seismologist, taking a truck down the 900ft deep c...

This is neat: real processes captured by MRO. Seen via the Bad Astronomer .

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...