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Chinese Scientists Measure 113 Kilometer Distance With Nanometer Precision


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  Formation flying in space has suddenly become significantly easier

Chinese scientists have achieved a groundbreaking feat in precision measurement by accurately measuring a distance of 113 kilometers with nanometer precision using quantum entanglement. This experiment, conducted between two stations in China, utilized a technique known as quantum-limited ranging, where entangled photons are sent over long distances to measure with unprecedented accuracy. The setup involved a laser source at one station sending entangled photons to a receiver at another, with the time-of-flight of these photons being measured to determine the distance. This method not only showcases the potential of quantum technologies in enhancing measurement precision far beyond traditional methods but also has implications for future applications in geodesy, navigation, and even the testing of fundamental physics theories. The success of this experiment marks a significant step forward in the practical application of quantum mechanics in real-world scenarios.

Read the Full Discover Magazine Article at:
[ https://www.discovermagazine.com/technology/chinese-scientists-measure-113-kilometer-distance-with-nanometer-precision ]

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