A team of researchers at the University of Cambridge, led by Professor Arokia Nathan are working to develop technologies that would make daily phone charging a thing of the past. To keep a phone's battery topped up, the team has built a prototype device that recaptures wasted light from and OLED phone screen. According to researcher Arman Ahnood, only around 36 percent of the light produced by a phone screen is projected forwards – the rest escapes around the edges. [......]
















