
But how much power is that? And how many calories does a person burn creating that energy?
Lo and behold, today BoingBoing included a post about Maya Pedal, a Guatemalen organization that rebuilds bikes to power a variety of essential machines.

The machine at right is a washing machine. Other machines mill grain, saw wood, depulp coffee beans, and blend drinks and food (among a number of other things).
Wow. So inspirational! The machines that are past the prototype stage all include excellent "how to make it yourself" fact sheets, too!
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