1. I wouldn't be surprised if one of my posts aren't a victim of today's=20 date. 2. I recall about 8 years ago that the CSIRO had developed a flexible PV=20 film and that MIT in Victoria have a PV film on Windows that allow light=20 (dimmed) in from the outside whilst producing electrickery. That being so, 3.http://www.wysips.com/ Colin -- cdb, 3/07/2009 =20 -- colin@btech-online.co.uk --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .