Shove some algae in your electronics.
Sweden's Uppsala University nanotechnologist Maria Stromme talks about how a common fresh water algae my become a harvestable source of power for mote things electrical than one can imagine. A self powered illuminated birthday or holiday gift? Wallpaper that can power your home security system? Oh, and it can be charged in a fraction of the time of currant polimer batteries. This looks to be promising.http://www.msnbc.msn.com/id/34149776/ns/technology_and_science-future_of_energy/