Gian Posted July 4, 2021 Share Posted July 4, 2021 For vitamin D synthesis, is daylight on an overcast day as effective as direct sunshine? Cheerz GIAN Link to comment Share on other sites More sharing options...
Sensei Posted July 4, 2021 Share Posted July 4, 2021 (edited) 1 hour ago, Gian said: For vitamin D synthesis, is daylight on an overcast day as effective as direct sunshine? The keywords to be used in the search engine are "water/cloud UV light absorbance spectrum". https://www.google.com/search?q=water+uv+absorbance+spectrum and https://www.google.com/search?q=clouds+uv+absorbance+spectrum "cloud UV light scattering" Edited July 4, 2021 by Sensei 1 Link to comment Share on other sites More sharing options...
Gian Posted August 12, 2021 Author Share Posted August 12, 2021 Cheerz x Link to comment Share on other sites More sharing options...
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