Which Geiger counter is best? If you want to monitor radiation levels from a specific source, you need a reliable Geiger counter. This tool can warn you when there is radiation, as well as measure it ...

It took nearly a year for [Chris Crocker-White] to assemble this glorious mahogany and brass Geiger counter, but we think you’ll agree with us that it was time well spent. From the servo-actuated ...

In the weeks and months after the Fukushima nuclear disaster, a group of entrepreneurs, engineers, hackers and computer programmers formed Safecast and started constructing their own, crowdsourced ...