Latest Trend: Human Movement Powered Devices | Green Gadgets | The Green Optimistic - 0 views
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I don't know what's been happening lately with everybody, but it seems that more and more people are trying to charge their phones or iPhones or iPods using energy imported from human movement. Remember those movies presenting slaves hundreds of years ago spinning a huge wheel to provide the emperor with water and energy? They did not do it for fun, yet nowadays there are two recent mediatized inventions that caught my eye. Curiously enough, they are being developed by two telecom operators: