Biosphere II 
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 Biosphere II

A colleague had a question when I mentioned the Biosphere project to him.
What sort of glass do they use? To our knowledge there is no glass that
lets in a reasonable bandwidth of the solar spectrum. Since photosynthesis
needs ultra-violet, does that mean that the Biosphere is effectively
shielded from infra-red?

--
Peter Magnusson
Swedish Institute of Computer Science



Tue, 12 Apr 1994 07:22:43 GMT
 Biosphere II

Quote:

>A colleague had a question when I mentioned the Biosphere project to him.
>What sort of glass do they use? To our knowledge there is no glass that
>lets in a reasonable bandwidth of the solar spectrum. Since photosynthesis
>needs ultra-violet, does that mean that the Biosphere is effectively
>shielded from infra-red?

I don't now how they've actually done it, but a possibility you seem to be
overlooking is using several different types of panels.  No single panel would
pass the full spectrum, but the overall effect would be the full spectrum, but
somewhat dimmer than with no glass.
--------------------------------------------------------------------------------

Disclaimer:  Hey, I understand VAXes and VMS.  That's what I get paid for.  My
understanding of astronomy is purely at the amateur level (or below).  So
unless what I'm saying is directly related to VAX/VMS, don't hold me or my
organization responsible for it.  If it IS related to VAX/VMS, you can try to
hold me responsible for it, but my organization had nothing to do with it.



Tue, 12 Apr 1994 13:43:08 GMT
 
 [ 2 post ] 

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