Posthuman Blues

Shoe Leather As A Renewable Resource: Penn Biologists Invent Power-Generating Backpack

If you already have a little spring in your step, a team of biologists at the University of Pennsylvania would like to put it to good use by adding a few more springs in the form of a power-generating backpack. Details of their prototype "Suspended-load Backpack" were announced today in the journal Science. The device converts mechanical energy from walking into electricity up to 7.4 Watts more than enough energy to power a number of portable electronic devices at once.

(Via Future Feeder.)