Just outside Buchanan Street bus station in Glasgow is a clock standing on tall legs.

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Things like the number of computer instructions per clock cycle, the bandwidth of the RAM bus, and the overall efficiency of the architecture are at least as important as the raw clock speed at which a processor runs.

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In 2000, when McCain competed against George W. Bush for the Republican Presidential nomination, the bus was a stage for his around-the-clock monologues with the press corps.

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Every morning, Catherine Fortney's alarm rings at 03:30 and by the time the clock strikes 06:00, she must be at the nearby bus stop.

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Spectators who travel to Willow by car or shuttle bus can once again line "the chute" on Sunday afternoon to cheer on mushers as the race clock officially begins.

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We create, play, communicate round the clock on our smart phones, tablets, laptops and game devices at airports, coffee shops and bus stations.

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Auctioneer Jonathan Humbert said the bus, which can hold 35 passengers, has just 28, 000km (17, 398 miles) on the clock and it has its own auxiliary generator and air supply in case anyone attacked it.

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