Comment: This should be filed under Sci & Tech

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This should be filed under Sci & Tech

I personally like the hand crank.

I'm looking for a hand crank that can be attached to a bicycle! That would be killer! But this guy's setup is pretty good too. I think it will be hard to keep up with biking though. There's a lot of resistance and how long can you keep biking at that pace to keep the battery charging?