Wireless power system shown off

A system that can deliver power to devices without the need for wires has been shown off at a hi-tech conference.
The technique exploits simple physics and can be used to charge a range of electronic devices over many metres.
Eric Giler, chief executive of US firm Witricity, showed mobile phones and televisions charging wirelessly at the TED Global conference in Oxford.
He said the system could replace the miles of expensive power cables and billions of disposable batteries.

Full article by Jonatan Fildes and video (if you can't see it here) on BBC News



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