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Sunscreen protects against the ultraviolet radiation in sunlight which is just outside the range of visible light and distinct from Gamma radiation. Gamma rays
by gmt2027 9y ago
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.
- kpil 9y agoI think he meant that the physical process is the same, although the energy/frequency differs, explaining the different interactions with sunscreen vs concrete.