The Walden Effect: Homesteading Year 5. Farming, simple living, permaculture, and invention.

Knee brace generates electricity

knee brace powerThe University of Michigan has made some impressive strides in the area of human generated electricity.

Their latest prototype is a knee brace that harnesses the energy normally lost when the knee is bent. It can produce up to 5 watts of power, which would be enough juice to run 10 mobile phones.

It would be interesting to see how much electricity the average person generates over the course of a day?



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