Thetroubleofhavingtochargeyoursmartphoneforhoursadaycou...
問題詳情：Thetroubleofhavingtochargeyoursmartphoneforhoursadaycouldbecomeathingofthepast.Britishscientistshavecreatedamaterialthatreplacesthescreenglassforphones,i-padandsmartwatches,butusesnopower—mea...