Dean W. Armstrong

. The Gibbous Moon rising over Rockefeller Chapel, taken over 4 years ago from Ryerson. I took this image with an Olympus E-10. It was a h...

Posner writes a defense against the illegal searches of domestic communications: Posner wrote: The collection, mainly through electronic me...

That loser student lied about the ILL/DHS visit! The liar!

Ed Felten in Freedom to Tinker finally brings up what's been missing in the debate about aggressive copy-protection schemes, namely, th...

I previously wrote an entry about how you can see the Sun interfering with the weather radar at sunrise and sunset, seen here . The weather...

Update Wanker student lied... It's a hoax... South Coast story . To say again.. liar liar liar. I hate liars. This is unacceptable. A...

I am a small fuzzy beetle living in the sands among the lava flows of Amboy Crater!

http://www.lib.uchicago.edu/~dean/float.htm It's completely temporary, and could go down at any time, but the average radiation rate for...

An episode of Nova I watched because it was 1. in HD and 2. Geoscience related. As unfortunately usual, another earth science Nova with exc...

Plutonium, like a lot of the other transition metals, has a number of oxidation states and all of them are colorful. The valence ranges fro...

http://www.boulder.swri.edu/plutonews/ . Once again, Minor Planet Mailing List has the scoop. Two ~100km bodies orbiting in the same plane ...

Is lithium safe for the environment? Yes. Much of the concern with the environment centers on heavy metals. Lithium is the lightest metal kn...

I see that it appears my blog has been wiped from the face of blogspot. Will it come back?

" O rtiz's boss, astronomer Jose Carlos del Toro Iniesta, concedes that those rights will most likely be awarded to Brown. "I ...

I took this photo over the summer. The Linne statue is on the Midway on the University of Chicago campus and to the eye is covered in a lig...