On the outside, a Geiger counter seems like a complicated thing. And you might think a device that detects a dangerous, mostly invisible threat like radiation should be complicated. But they’re ...

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 ...

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 ...

Apple teamed up with the U.S. government to build a modified iPod that might have been a stealth Geiger counter for detecting and measuring ionizing radiation, claims former Apple software engineer ...

Scenario: your little three-hour boat tour runs into a storm, and you’re shipwrecked on a tropic island paradise. You’re pretty sure your new home was once a nuclear test site, but you have no way to ...