A New Stopper For Stickup Artists: Computerized Locks

The ongoing battle between those who make locks and those who crack them has lasted for centuries. Now, Mas-Hamilton Group, a lock-manufacturing company based in Lexington, Ky., hopes to confound safecrackers with its computer-controlled combination lock, the X-07. On top of the lock nestles a liquid-crystal display, and inside is a microprocessor. Spinning the dial powers a small generator that produces electricity to operate the computer. Entering the correct code numbers on the LCD activates a lever that retracts a bolt. The company claims the computer lock is designed to withstand all known forms of outside entry, including using an external computer to break the combination.

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