How does a Geiger counter work? Are they safe to use and generally, have around? - Quora

Answer (1 of 2): A Geiger counter detects ionizing radiation by amplifying the ionization trail left by the track of ionizing radiation. The alpha, beta, or gamma ray knocks electrons off of an atom inside the detector and a minute electrical charge is generated. The GM tube amplifies this tiny c

How Do Geiger Counters Work?

What is the most destructive handheld radiation source? - Quora

Where can I get a Geiger counter and how much would it cost? - Quora

Is a Geiger counter sensitive enough to measure contaminated surfaces? If the Geiger counter doesn't detect anything, is the measured object considered safe? - Quora

I own a geiger counter and detected a sudden (around 30 second) spike in radiation levels of around twice background average. What could this be? - Quora

Are there radio activity detectors, geiger counters, that also detect the direction where the radiation comes from, without having to “sweep”? - Quora

Is the area around Chernobyl still radioactive and dangerous 34 years after the nuclear plant explosion? - Quora

In idiot-proof terms, what is a Geiger–Müller tube? - Quora

What device should I use to measure the strength of local radio waves? - Quora

Is using a Geiger counter the best way to check my house for radioactivity? - Quora

How much does a Geiger counter cost? - Quora