Fig 1 Airplane
Chris Smolinski of Black Cat Systems has an article on The Citizen Scientist detailing some of the experiments with his GM-10 and GM-45 geiger counter radiation detectors. I use(d) one of these on planes to detect the different levels of radiation as we flew higher or lower, fun stuff… – Link.


  • Black Cat Systems radioactive products and other sources of radiation – Link.
  • Detecting Cosmic Rays on planes – Link.

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