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Researchers have developed a new type of optical atomic clock that could make GPS a thousand times more accurate

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Researchers at Purdue University in Indiana and Chalmers University of Technology in Sweden have developed a new type of optical atomic clock that is significantly smaller.

It could make the Global Positioning System (GPS) a thousand times more accurate than it is today .

Today ’s optical atomic clocks are too big and complicated to fit into applications where they’d be most useful, but researchers are making progress in miniaturizing these devices.