There’s perhaps no sound more recognizable than the frantic clicking of a Geiger counter. Not because this is some post-apocalyptic world in which everyone is personally acquainted with the operation ...

Radiation cannot be seen or smelled, but a Geiger counter makes it detectable. Explore the insights behind how these instruments measure radiation and why they are vital for safety, research, 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 ...

Even inexpensive radiation detectors can be improved with the right modifications. Explore the insights behind upgrading ...

When Sean Bonner and a group of friends first decided to surface data on radiation levels across Japan following the March 2011 earthquake and tsunami that disabled the Fukushima Daiichi nuclear power ...

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, ...

Apple’s iPhones can do a lot, thanks to the numerous amounts of sensors built into them. Yet if a report from a former iPod engineer is to be believed, today’s iPhones can’t hold a candle to a secret ...

I got some Geiger tubes a few days ago and built a very simple Geiger counter circuit that is powered entirely through the microphone jack (microphone connection provides a little power for things ...

The Geiger-Muller (GM) tube allows a user to measure different types of radiation, including alpha, beta, x, and gamma particles. A GM tube consists of one anode and one cathode enclosed in a ...

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 ...