“ solar cells Storing enough electricity to smooth output is also a valuable service for ultracapacitors on the back of solar cells. But we need... (read full comment) ” 

Posted on April 25, 2010 at 2:34 PM EDT

“ progress and challenges It's good someone is taking seriously the opportunity to make excellent cells in a direct gap, inorganic semiconductor.... (read full comment) ” 

Posted on February 13, 2010 at 12:52 PM EST

“ price and etc The price implied by the simple calculation of 7% loan for 30 years, as a prior poster said, would be 30 c/kWh (assuming 16,000... (read full comment) ” 

Posted on June 24, 2009 at 8:27 PM EDT

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