Dean W. Armstrong

I'm just putting this here because I would doubt Facebook or Twitter would archive very well. Mike Myers, in the movie "View from t...

My current fridge (a Hotpoint Foodcenter 24) is older than I am. It was originally the avocado color shown in the ad; at some point someone...

A 39 day long sampling of every minute leads the geiger counter to a long term average of 7.72 uR/hr. That's 56658 sampling points. T...

http://www.cbat.eps.harvard.edu/cbet/cbet002769.txt

whatever, it doesn't matter, the blog is dead in practice if not in theory. The hits now a days are image searches and the occasional c...

Go out and see the Astronomy Picture of the Day for June 13th. It's an awesome video of the Saturnian system from Cassini. If all the...

A recent inquiry brings up the question of what's the normal natural background radiation rate in Chicago? Using the EPA's online t...

I just noticed that a second CFL failed in my torchiere conversion I did back in the winter of 2008. I use this light about 7 hours a day ...

A couple of images from that area.

It seems all the iPhones as part of the once-unknown location tracking log all have visits to locations in northwest Las Vegas , all at the...

Well, I had one issue with my magnetic cable holder : an incompatibility between the hot glue and the adhesive on a particular 'model...

I was talking with a coworker who had a particular design problem. Her network jack was embedded in a counter and the cable ran all the way...

My long-suffering Geiger counter is now back up and running. http://www.lib.uchicago.edu/~dean/float.htm . Now, as has been pointed out, thi...

I've hesitated to comment much on the ongoing Japanese tragedy, but I wish to talk a little about the output coming out from the reactor...

Two years I made an audio stereo isolation transformer , suitable for getting rid of ground loop problems in a line-level audio connection. ...