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

If a geiger counter is monitoring a radioactive sample in one minute window, what is the functional uncertainty on the counting rate? - Quora

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

Is there any type of radioactive isotope you don't consider safe to handle without protective gear? - Quora

How Geiger Counters Work

Why did Ukraine move its capital from Kiev to Kiev after the Chernobyl disaster? - 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

How can x-radiation be measured? Gamma radiation can be measured with geiger counters, but with which device can x-radiation, below the response sensitivity of a geiger counter, be measured by a lay