While trying to photograph meteors in the Perseids shower recently I ended up taking a lot of longish exposure photographs of the same patch of sky. I was hoping to catch a meteor or several shooting though the frame. Reviewing the photos when I got home I found I caught no meteors, indeed I saw …
Category Archives: science
The insides of things are beautiful…
…lets see what they look like. These days I work with X-Ray systems. I’m just finishing up commissioning and testing of the latest one, so I’m using it to image various things. This is a compact fluorescent lamp. At full size you can see the coils of tungsten wire in the electrodes in the glass …
Hellschreiber
What do you get when you mix a cheap MSP430 development board with a simple oscillator circuit and blend in a handful of code from various sources? Hellschreiber– a radio transmission mode invented in the 1920s. The screenshot above shows the signal as transmitted across my bench – a distance of about 50cm. The text …
Neil Armstrong: 1930 – 2012 RIP
Solargraphy 2012
Solagraphy is the art of photographically capturing the path of the sun across the sky. As the sun takes a day to cross the sky, the exposure time for a solargraph is at least a day. To really capture the path of the sun as the seasons change (the sun climbing higher as we …