Re-charge your cell phone with your knee
February 10th 2008 07:30
According to an article in this month's Science Journal, researchers at Simon Frasier University in British Columbia have developed a new technology to generate electricity from the natural motion of walking. Assistant professor of kinesiology Max Donelan and other team members say their biomechanical energy harvester promises to revolutionize the way people charge the batteries that power all sorts of mobile devices, like laptops, cell phones, and emergency rescue gear.
The energy harvester, which straps across a knee joint just like an athletic knee brace, can generate up to five watts of electricity with little physical effort. And one minute of brisk walking can generate 13 watts -- enough to support 30 minutes of cell-phone use.
The energy harvester, which straps across a knee joint just like an athletic knee brace, can generate up to five watts of electricity with little physical effort. And one minute of brisk walking can generate 13 watts -- enough to support 30 minutes of cell-phone use.
Information courtesy of Mobile Tech Today
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