Quantum technology to help submarines find their way

British scientists have developed technology that could allow submarines to determine their exact location without needing to surface.

Researchers at Imperial College London are working on a portable “quantum” accelerometer, which they claim would be far more accurate than current technology, by engineering smaller and better-controlled lasers.

This could allow accelerometers to help map the exact movements of a submarine or other vehicle as it moves around the globe, enabling the crew to determine their current position with an error range of just 1m.

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