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A comment on How to Build a Home-Brew Radon Detector: Measure Radiation with a Webcam. Parent comment

Re:How to Build a Home-Brew Radon Detector: Measure Radiatio... by NAFV_P on Tuesday June 17, 2014 @04:10PM (#7906706)
Looking at the decay chain of U-238 [0], some of the descendants of radon-222 have extremely short half-lives.

[0] http://en.wikipedia.org/wiki/Uranium-238#Radium_series_.28or...

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