A battery with a "power density that is six orders of > magnitude higher than chemical batteries." That is six > orders not six times. "Kwon said that the battery could be > thinner than the thickness of human hair." > > My grade 7 teacher would tell us that there was enough energy in the piec= e of chalk he was holding to power a small city. He was my favourite. --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .