Backpack generates power as you walk

 作者:褚卯杯     |      日期:2019-03-02 13:10:12
There are few things more annoying than discovering that the battery on you mobile gadget has run out of juice where there’s no way of recharging it – in the middle of a long trek, for example, or halfway up a mountain. Now a novel backpack has been developed that generates electricity as you walk. The generator, developed by Larry Rome and his colleagues at the biology department of the University of Pennsylvania in Philadelphia, is designed to make life easier for troops, field scientists, explorers and disaster relief workers,