They call it 'pee-power'
Media playback is unsupported on your device
Video

They call it 'pee-power'

A new system to make electricity from urine could have big implications for the developing world.

Scientists at UWE Bristol have been given funding from the Bill & Melinda Gates Foundation to commercially produce their toilets that can charge a mobile phone.

  • 27 Jul 2016
  • From the section England