10th July 2011
BPW34 photodiode based gamma radiation detector.
3rd July 2011
An AC ion chamber detector for alpha particles only.
27th November 2010
A simple picoammeter using an LMC662 op-amp.
13th February 2010
Measurement of the half-life of Technetium-99m.
7th June 2009
New pancake Geiger Müller tubes and a fairly small power supply for them.
24th May 2009
Abuse of an old 2X2 vacuum tube with a HT power supply to create a soft x-ray source.
16th May 2009
No, of course not! No new physics here, just another lesson in electromagnetic compatibility and subtly of experimental physics.
28th April 2009
I lash up an old Geiger tube and monitor the background radiation in the shack for a while.
18th April 2009
A quick hack based on Charles Wenzel's nuclear war detector.