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 ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through the links below." One of the most haunting moments in the 2019 hit series, Chernobyl, features liquidators shoveling ...

"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 ...