The Geiger-Muller (GM) tube allows a user to measure different types of radiation, including alpha, beta, x, and gamma particles. A GM tube consists of one anode and one cathode enclosed in a ...

Which Geiger counter is best? If you want to monitor radiation levels from a specific source, you need a reliable Geiger counter. This tool can warn you when there is radiation, as well as measure it ...

The recent tsunami in Japan and the on-going calamity with the Fukushima nuclear power plant has apparently greatly increased sales of radiation meters, not only in Japan but elsewhere around the ...

At this point, atomic clocks are old news. They’ve been quietly keeping our world on schedule for decades now, and have been through several iterations with each generation gaining more accuracy. They ...

Many portable radiation monitors include a Geiger-Mueller tube, a simple, two-terminal, gas-filled detector that generates a pulse each time a radiation event (photon or particle) impinges on the tube ...

My first encounter with one of the devices was only about three decades after its improvement as an invention. There was no reason for me to need one prior to then. I was a young second lieutenant in ...

TOKYO — In the Akihabara electronics district, a Geiger counter sold under the Shanghai Ergonomics Detecting Instrument Co.’s DP802i brand name costs $800. For that price, twice the cost in China, it ...

The hosts use their spectroscopic findings to identify gases in mystery tubes, including an incandescent bulb, Mercury arc ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. This “Zahlrohr” is a very early ...