Category Archives: physics
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 …
A darker than usual morning at this time of year
Going back to work on the 4th of January might be enough to darken anyone’s spirits, the mornings are dark enough, but come the 4th dawn will be even darker for us here in London. A partial eclipse will have the moon covering up the rising limb of the sun, the uncovered portion will still …
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X-rays
Now I have an xray machine to play with at work, I can take photographs of the insides of things. I shall make full use of this. Here’s an old transistor to start with. Image details : Mullard OC44 PNP Germanium transistor, glass envelope. 90kV polychromatic xrays, filtered with 1.5mm Al and 0.2 mm Cu. …
Eclipse Images.
Between gaps and breaks in the clouds I managed to record pretty much the whole eclipse. The filter I used gave a slight ghoating to the edge of the sun, making it look out of focus.