In reply to  Jones Beene's message of Sun, 27 Jul 2014 07:08:39 -0700:
Hi,
[snip]
>Steve – You probably do not take this too seriously, so you are not missing 
>the fact that it is not science – it is hucksterism with a dose of 
>sophistication. The “40%” conversion ratio should make it clear to anyone who 
>follows solar cells that Mills is blowing smoke. Affordable cells for use in 
>mass production are below 20% efficiency. The Boeing/Spectrolab triple 
>junction cells which have produced 40% on occasion are not available at 
>reasonable cost. And even if they become available - they are actually rated 
>for 32% continuous and are now extraordinarily expensive – 500 times more than 
>silicon per watt. NASA can pay that but can you? 

Now divide 500 by 10000 suns (or 50000).

(Not that I have 100% confidence in Mills, in fact I'm wary of the reported
figures, but you do need to do the math correctly if you are going to criticize
him.)

Regards,

Robin van Spaandonk

http://rvanspaa.freehostia.com/project.html

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