Sol Invictus
I wanted to make some seasonal decorations for my flat in keeping with the spirit of Nine Lessons and Carols for Godless People, so I connected some fairly lights to a Geiger counter.
(Yet again Garry Bulmer helped with the coding – many thanks!)
Update:
makeInstructables tutorial.
Post on MAKE blog.
Article on Wired.co.uk.
***
I know 2011 has been tough on a lot of people: may the dark days lighten soon.
xn