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!)

makeInstructables tutorial.
Post on MAKE blog.
Article on

I know 2011 has been tough on a lot of people: may the dark days lighten soon.