Dean W. Armstrong

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...

What a piece of alarmist drivel. ABC Primetime "exposed" the security of university teaching and research reactors. "Oh my g...

The Chinese are planning on launching a manned space mission this week. Photo from Xinhua. Xinhua report. BBC report

How the City Sank " T he pump operator's story reflects a spirit of civic responsibility that rallied in humble quarters like these...

Oh boy! Brown using Keck and the adaptive optics there managed to detect an object moving in the same direction as 2003 UB313 and about a h...

I took a quick set of shots of Messier 27, a planetary nebula, last night from Ryerson , after fixing a piece of equipment on the telescope....

Have you ever driven from Las Vegas to Los Angeles? Two thirds of the way there, you are driving along I-15 in the high, dry Mojave Desert ...

This was posted on the Minor Planet Mailing List by Ladislav Nemec. Michael Brown wrote up his page about the issue here . Reiner Stoss fo...

http://www.nytimes.com/2005/09/13/science/space/13plan.html