Somewhat more technical treatment: http://news.vanderbilt.edu/2012/09/spina= ch-power-a-major-boost/ The "nearly triples" is compared to previous "biohybrid" solar cells, and i= s still only about 1mA per cm^2. (compare to about 35mA/cm^2 for crystalli= ne silicon cells.) BillW --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .