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Page last updated at 08:37 GMT, Thursday, 30 June 2011 09:37 UK

Meet the world's most powerful computer


A Japanese machine called K has just been crowned with the honour of the world's most powerful computer in the latest edition of the Top500, a six-monthly round up of the world's fastest number crunchers.

K's processing muscle is applied to running mathematical models in science and engineering research.

Computer science professor at the University of Tennessee, Jack Dongarra, is one of the team who compile the Top500 list. He describes K as have the processing power of one million home computers.

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