Research team developing smartphones that power themselves

Tsk, just look at all that wasted light

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