An old friend in California was in town recently and was asking for advice on how to make the addition he was planning more environmentally friendly.. this is a subject I can go on about forever.. so I promised him I'd post some info on some of my favourite recent finds. The Solar Ball is one of them. We first read about it on Treehugger.. as usual. The Solar ball uses lenses to capture 500 times more light and concentrate in on 5 small triple junction solar cells. These cells are apparently the same as those used on some space vehicles and have the associated price tag. With the lenses however, you get a higher efficiency rate than flat plat collectors. Check out their web site: http://www.greenandgoldenergy.com.au/ We look forward to seeing the product progress.. hopefully they can find an alternative to the tape that appears to be holding the prototype together.