Originally Posted by swwhite
So, could someone invent a bicycle generator that does not power a head/tail light, but instead charges a battery which in turn runs the lights?
http://www.windstreampower.com/humanpower/hpginfo.html
If you don't need to go anywhere, you can run a lot of devices. I've heard of parents who require their kids to create the electricity for whatever T.V. show they're watching. You can hook your bike up to it, or just use the pedals they supply.