One charging pad could power up all gadgets

 作者:祁甍巽     |      日期:2019-03-02 10:16:02
By Barry Fox FINDING the right battery charger for your cellphone, digital camera, camcorder or PDA among the sea of anonymous black boxes that clutter our homes is a complete pain – as is finding a free socket when they all need charging at the same time. But this modern hassle could be shortlived. Instead of each device needing its own charger,