There is, but I can't see the connection to the article. Our atmosphere is most transparent to the optic spectrum, but not any wavelength of light. High energy radiation (starting with UV-light - and the sun emits a lot of high-energy radiation) luckily gets absorbed and scattered away to space again, the only other window similar to the optic spectrum being that of radio frequencies.

http://teacherlink.ed.usu.edu/tlnasa/reference/ImagineDVD/Files/imagine/docs/introduction/emsurface.html

So the eyes of living beings are optimized for the brightest light that reaches us from the sun through our atmosphere: the optic spectrum. If we were susceptible for a different set of frequencies we would be walking in a much darker world with not so much of a difference between day and night. And we would not see all but the brightest stars.

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Olaf Schlüter
Olaf Schlüter

Written by Olaf Schlüter

IT security specialist, Physicist by education, believing in God as for the exceptional harmony of the laws of nature to create and support life.

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