Charging mobile phones by dancing

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No sooner did we write about Orange's wind-powered recharging station at the UK's Glastonbury Festival, than one of our spotters alerted us to another eco-innovation for charging cellphones—also at Glastonbury, and once again by Orange. This time, Orange has tapped into the energy festival-goers expend dancing and put it to work for powering up mobile phones. The Orange Dance Charge, developed with renewable energy firm Gotwind and currently just in prototype form, weighs just 180 grams and measures 4¼ x 2½ inches—about the same size as a pack of cards and the same weight as a mobile phone. The unit…

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