I got the Pocket Geiger Counter Kit for iPhone a few months ago. It was third the price of this one. Very difficult to operate even for me, and I used to calibrate dosimeters for a living for years.

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 ...

There’s no shortage of Geiger counter projects based on the old Soviet SBM-20 tube, it’s a classic circuit that’s easy enough even for a beginner to implement — so long as they don’t get bitten by the ...

In Tokyo's Akihabara electronics district, a Geiger counter sold under the brand name of Shanghai Ergonomics Detecting Instrument Co.'s DP802i costs ¥65,000. For that price, twice the cost in China, ...

How real is the risk, how safe is that airplane flight? March 16, 2011 — -- Despite U.S. consumers' growing awareness of iodide pills, Geiger counters and emergency kits in the wake of Japan's ...