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Physics
The world’s first quantum microsatellites demonstrate secure communication with multiple ground stations
Schematic diagram of quantum key distribution experiments between quantum microsatellite zinan-1 and ground stations. Credit: Nature (2025). doi:10.1038/s41586-025-08739-z The research team developed the world’s first quantum microsatellite, demonstrating real-time quantum key distribution (QKD) between satellites and multiple compact mobile ground stations. The research led by USTC’s Pan Jianwei, Peng Chengzhi and Liao Shengkai has been published in collaboration with the…
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Chemistry
Toxic Tire Decontamination: Researchers Demonstrate Ability to Remove Toxic Particles from Used Tires
Evolution of heating performance, product distribution, and morphology in microwave pyrolysis of EOL tires. Credit: Nature Chemical Engineering (2024). DOI: 10.1038/s44286-024-00110-9 Tires are an essential part of daily life. Without these, our vehicles would simply be a mass of assembled parts, convenient to sit on but ineffective at getting us to our destination. While the usefulness of tires is undisputed,…
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Physics
Scientists demonstrate advanced low-coherence BOCDR system using periodic pseudorandom modulation
This figure shows the results of distributed strain sensing over a length of approximately 100 m of optical fiber utilizing BOCDR with periodic pseudorandom modulation. The diagram above shows the structure of the sensing fiber, which includes two tightly wound 47-meter sections and a 10-centimeter taut section near the end. The middle plot shows the distributed Brillouin frequency shift along…
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