[Ryan Harrington] shows us how to make a Geiger counter with very few parts, and you can see the results in the video below. The glut of surplus Russian tubes has made this a common project ...

But as they are often built around the Soviet-era SBM-20 Geiger–Müller tube, these devices have generally ... idea of an Internet-connected Geiger counter using more modern components.

The GM tube is a hollow cylinder filled with a ... but the count of radioactive particles detected by a Geiger Muller counter is a useful approximation at this level, and can give an indication ...