Cosmic Log: Power-beamers rise again
msn.com
03-Nov-2009 5 related
 

Posted: Tuesday, November 03, 2009 4:35 PM by Alan Boyle Contestants in the Power Beaming Challenge will be required to send light-powered robots up a kilometer-long cable. Just as one big-money contest for high-tech innovators... [read full story]                    

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