The clicking of a Geiger counter is well enough known as a signifier of radioactive materials, due to it providing the ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through the links below." Geiger counters are used to detect and measure levels of radioactivity. Scientists invented the ...

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 ...