“ Heatsinks Concentrator solar arrays are not new, I think they are approaching 40% efficiency or more by now. Heatsinks? These concentrated PV... (read full comment) ” 

Posted on May 5, 2009 at 4:14 AM EDT

“ Nope, wrong. The efficiency (percentage usable power out/power in) of a solar cell increases when the light intensity increases. ie if you had a... (read full comment) ” 

Posted on May 14, 2008 at 12:13 AM EDT

“ Filtering bacteria Well, this device could be the primary stage, then once the large particles are removed, you could feed it through a reverse... (read full comment) ” 

Posted on May 14, 2008 at 12:05 AM EDT

“ No, you're not thinking ahead. Any land suitable for agriculture will be required in the future for *FOOD* production. Already we've seen an effect... (read full comment) ” 

Posted on October 2, 2007 at 9:55 PM EDT

“ Note that solar PV cells are more efficient at higher flux densities. Ie if you compared the output of a 1 sqm PV flat panel to a 1 sqm... (read full comment) ” 

Posted on November 9, 2006 at 10:58 PM EST