Archive for December 2006

Happy “Infinity Eve”, from the bottom of the Analemma! [minor update]

December 28, 2006

When I was in grade school, a friend told me that if you photograph the sun at noon every day (disregarding Daylight Saving Time), using a stationary camera without advancing the film, after one year you’d have a picture of an “8”. This is called an analemma, and it’s been well-studied and documented.

The Analemma in winter

(Animation courtesy Starry Night Pro. Click to view the movie.  You’ll need QuickTime to watch it.)


YouTube: NASA video of zero-G water sphere experiments

December 26, 2006

Ever wonder what happens when you place an Alka-Seltzer into a floating sphere of water in zero G? It’s surprisingly unexpected, yet repeatable. This and a few other experiments are documented in this short film.

Back from life’s distractions

December 23, 2006

A dear friend wrote to ask where I’d been for the last month, since I hadn’t blogged in that time. I’ve been here, but up to my neck in alligators.


Today is Festivus!

December 23, 2006

December 23 is the day of celebration for the alternative holiday Festivus (for the rest of us), popularized on the Seinfeld television series. I’ll be celebrating, but non-traditionally.