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Fri 09 Sep 2009'Quantum computer' uses light as a fuel to calculate multiples in a flash
SCIENTISTS IN Bristol have achieved a world first, building a primitive computer on a microchip that does its calculations using light rather than electricity.
The tiny chip, just a few millimetres across, does very little – so far – but may be the precursor of a computer able to crack the most complex of bank security codes.
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