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Researchers at Paderborn University have developed a new method of distance measurement for systems such as GPS, which achieves more precise results than ever before. Using quantum physics, the team led by Leibniz Prize winner Professor Christine Silberhorn has successfully overcome the so-called resolution limit, which causes the "noise" we may see in photos, for example. Their findings have just been published in the academic journal "Physical Review X Quantum" (PRX Quantum). In "Physics", the publisher's online magazine, the paper has also been highlighted with an expert Viewpoint - an honour which is given to only certain selected publications.

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