Reassessing radon as a reliable groundwater tracer

All radioactive materials which naturally occur in water will produce at least one isotope of radon as a decay product. As radioactive atoms are transported through groundwater aquifers in the form of gaseous radon, they ...

Keeping dark matter detectors clean and accurate

A research team at South Dakota School of Mines & Technology has built an air purifier that has reduced the radon in the air to about 50 times lower than typical outdoor air. The team is helping to ensure success for one ...

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