> All that was needed to achieve this was a "special box" inserted into the= battery > leads. I was told it was an ingenious and physics- defying arrangement of= magnets > (always with the magnets), potted in solid epoxy, naturally, so it couldn= 't be back- > engineered. Like epoxy would stop anyone bothering to waste time on it I wonder what would happen if one set to and dissolved the epoxy (like they= do to open top chips) and returned the parts to them, saying "it doesn't w= ork, and I can't find what's wrong with it" ... --=20 Scanned by iCritical. --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .