Researchers at the University of Bedfordshire have developed a new technique for powering electronic devices.

The system, developed by Prof Ben Allen at the Centre for Wireless Research, uses radio waves as power.

Believed to be a world first, the team claims it could eventually eliminate the need for conventional batteries.

Small everyday gadgets like clocks or remote controls could utilize the "waste" energy of radio waves that are in the air alongside light waves and sound waves.

(READ the story from BBC)