The company tested the iris scanner with simulated IDs and found zero errors in 8 million transactions, Smith said.

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This has been achieved through extensive development, strict quality control, and a stringent pre-production testing requirement of 400 drives passing 500 hours of intensive tests with zero errors.

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Word was circulating in Geekville that the Stuxnet worm exploited four zero day errors.

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This motionlessness lets the computer reset to zero, so the accumulated errors can be reduced.

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