Instead of using acoustic vibrations, the team's system exploits the resonance of electromagnetic waves. Electromagnetic radiation includes radio waves, infrared and X-rays.
gotta love the BBC... aren't they forgetting the most important of all.. .f***ing optical light!!
A UK company called Splashpower has also designed wireless recharging pads onto which gadget lovers can directly place their phones and MP3 players to recharge them.
does this actually mean it has already been done and why then are the bbc going on about how the american's are thinking about it when our one company's already do!