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Re:French institute suspects nuclear accident in Russia or K... by gmt2027 on Friday November 10, 2017 @04:46AM (#15668905)
Sunscreen protects against the ultraviolet radiation in sunlight which is just outside the range of visible light and distinct from Gamma radiation. Gamma rays are penetrating radiation that would only lose a fraction of the intensity after going through a few centimeters of lead.
Re:French institute suspects nuclear accident in Russia or K... by kpil on Friday November 10, 2017 @05:23AM (#15669009)
I think he meant that the physical process is the same, although the energy/frequency differs, explaining the different interactions with sunscreen vs concrete.