With all the focus on biological problems, we might forget that sometimes it’s handy to know about radiation hazards, too. [Ryan Harrington] shows us how to make a Geiger counter with very few parts, ...

Japan's nuclear meltdown in the aftermath of the March 11, 2011 earthquake inspired the creation of a grassroots radiation sensor network and a homemade Geiger counter for ordinary citizens. The DIY ...

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 ...

A postage stamp-sized Geiger counter placed unobtrusively in stadiums, subways, malls and other large public spaces could detect radiation and determine whether it's a harmful source, like a dirty ...

In what seems to be a response to public fears about radiation levels following the Fukushima crisis, a Japanese organization called Radiation Watch has launched Pocket Geiger, a Geiger counter iPhone ...

We all know the clicking of Geiger counters from movies, and we all know that the faster the counter clicks, the worse things are. But how exactly do they work? There are three types of radiation, ...

Sergey Vladimirov has this week launched a new Kickstarter campaign for his pocket geiger counter called Radium which has been designed to provide a professional yet easy-to-use geiger counter.

Explore the internal design of a Geiger counter and discover how compact electronic components work together to detect and ...

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 ...

For anyone who has worked with radioactive materials, there’s something that’s oddly comforting about the random clicks of a Geiger counter. And those comforting clicks are exactly why we like this ...