Bike Powered Phone Chargers

I have seen them in festivals, what a great idea.

http://grist.org/living/post-sandy-bike-generators-bring-joy-to-nyc-in-the-form-of-charged-gadgets/?utm_source=dlvr.it&utm_medium=twitter

⚉ @nyctimesup‘s bicycle-powered generator runs a water pump (and recharges people’s phones) after #sandy flic.kr/p/dprzak #BikeNYC
— jymdyer (@jymdyer) October 31, 2012