“ Follow up It would be interesting to have a follow up on how the winners 10, 11 years ago are doing today with their technology. (read full comment) ” 

Posted on August 23, 2011 at 3:55 AM EDT

“ Solar-cell thickness "Conventional solar cells use silicon wafers that are about 0.5 millimeters thick" is not up to date. The average thickness... (read full comment) ” 

Posted on December 4, 2008 at 2:16 AM EST

“ Light reflection by solar cell "Silicon solar cells reflect about a third of the light" seems to be referring to crystalline-Si solar cells... (read full comment) ” 

Posted on November 17, 2008 at 2:22 AM EST