Well it had to happen. I have talked about all kinds of new power sources for your portable electronics. There are a range of new battery technologies coming. There are also lots of progress on fuel cells for your handheld gadgets. There are even people working on producing electricity from the temperature difference between your body and the surrounding atmosphere. Now students some industrial design students have suggested using a windmill to power your cell phone. The idea is to use a wind turbine as a back up power supply when your battery dies. So check it out.