Dean W. Armstrong

Scientific and other projects in astronomy, geoscience, physics, and electronics.

Wednesday, January 31, 2007

The Boston bomb scare and hysteria

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CNN report on the ad campaign for a Cartoon Network TV show that closed universities, blocked river traffic, and caused mass overreaction. ...
1 comment:
Monday, January 29, 2007

Google Gapminder

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Via Scientific American's blog , a link into Google's Flash application of world statistics, Gapminder , accurately described as ...
Tuesday, January 23, 2007

Tonight's State of the Union

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CNN is reporting that: President Bush, in Tuesday's State of the Union address, will propose a plan to cut U.S. gasoline consumption by...
1 comment:
Thursday, January 18, 2007

Chinese Anti-Satellite test?

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Arms Control Wonk is passing a rumor, which Aviation Week and Space Technology will also run a story on January 22nd, that the Chinese lau...
2 comments:
Wednesday, January 10, 2007

Comet McNaught

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Last night it started clearing up right near sunset, and through scattered clouds I was able to see a blazing new comet, C/2006 P1 McNaught,...
Saturday, January 06, 2007

New astronomical discovery or hype?

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You never know from embargoed press releases--in this case, from the ESA . The online edition of Nature will publish, on 8 January 2007, a m...
Wednesday, December 27, 2006

802.11 wireless networking: channel survey

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A random survey across the city of Chicago reveals a surprising detail about the growth and compatibility of 802.11b/g networks: The non-ove...
Thursday, December 21, 2006

Winter Solstice

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Ah. Winter solstice has arrived. Hopefully soon the winter gloom will brighten. This afternoon, I was surprised the streetlights didn...
1 comment:
Wednesday, December 20, 2006

Carl Sagan

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Carl Sagan died ten years ago today. Has it really been ten years? I guess I can say it has: new visitors to Ryerson Observatory often do ...
2 comments:
Tuesday, December 19, 2006

Radio Havana Cuba on December 18th

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I offer a 30-minute recording of Radio Havana Cuba from December 18th at 8:47PM CST on 6180kHz. Reception was very good here in Chicago. I...
Wednesday, December 13, 2006

Geminids tonight

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If it's clear where you are, drive out into the country, get your warmest gear out, bring sleeping bags, ground pad, and a pillow--and e...
Friday, December 08, 2006

Radioactive dust on air filters

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The location where I have my on-line geiger counter is certainly not dust-free: I work in a library after all, and the dust sure looks like...
Wednesday, December 06, 2006

Recent Water on Mars

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Previous post cut short--because in about linking to Phil Plait's entry about HiRISE images , I just found his link to the press release...

the post-Thanksgiving update

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I've been out of acceptable internet access for a week, thanks to broadband company that failed to realize their base stations are criti...
Monday, November 20, 2006

A better color panorama of Victoria Crater on Mars

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Via Wobha , a much better color image of Victoria Crater , as done by Bernhard Braun over at Unmannedspaceflight.com . A warning that the i...
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Dean W. Armstrong
Dean W. Armstrong has a B.A. from the University of Chicago in the geophysical sciences. My opinions are my own and do not reflect anyone or anything else's, unless they just happen to.
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