This one is a real promising development
Turn caps into origami figures
http://revolution-green.com/researchers-at-linkoping-universitys-laboratory-of-organic-electronics-sweden-have-developed-power-paper-a-new-material-with-an-outstanding-ability-to-store-energy-the-material-consists-of-nano/
Kind Regards
Mark
This one sounds like a winner Mark
Look out Robert Murrey Smith :D