Want a little heads-up before walking into a potentially dangerous radioactive area? Sure, we all do. But the typical surplus Civil Defense Geiger counter is just too bulky to fit into the sleek, ...

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 Geiger counter, also known as the Geiger-Muller tube, is an inexpensive and useful instrument used to quickly detect and measure radiation. There are two types of radiation, non-ionizing and ...

And now a page from our "Sunday Morning" Almanac: September 30, 1882, 136 years ago today, and COUNTING ... the day the future physicist Johannes Wilhelm "Hans" Geiger was born in Germany. Geiger ...

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 ...