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It’s elemental: Ultra-trace detector tests gold purityBy: on January 29, 2021 at 5:03 pm Publication: Top Technology News — ScienceDaily

Unless radon gas is discovered in a home inspection, most people remain blissfully unaware that rocks like granite, metal ores, and some soils contain naturally occurring sources of radiation. In most cases, low levels of radiation are not a health concern. But some scientists and engineers are conc  Read More>>

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