/u/ppitm's posts
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How does radiation shielding work? Help me understand what this chunk of uranium on my kitchen table is doing (with photo)
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Is RF radiation in frequencies used by 5G any more or less harmful than 4G or other frequencies commonly used in wireless communications? (Assuming you ignore warning signs and stand right in front of an antenna.)
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Is there robust epidemiological evidence for increased lung cancer risk due to ~4 pCi/L of residential radon? (EPA action level)
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