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Electricity:
Edison
's revenge | The Economist
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www.economist.com/...on-it-will-make-power-supplies
electricity
edison
USB
shared by
John Pearce
on 22 Oct 13
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John Pearce
on 22 Oct 13
"The humble USB cable is part of an electrical revolution. It will make power supplies greener and cheaper"
"The humble USB cable is part of an electrical revolution. It will make power supplies greener and cheaper"
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