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Modern Engineering Marvels on MSN1d
Why the World’s Shortest Days Are Forcing a Reckoning in Global Timekeeping
On 10 July 2025, the Earth finished one rotation in 1.36 milliseconds short of the usual 24 hours a record in a string of ...
With the wide application of unmanned aerial vehicles (UAVs), security problems of UAV systems are gradually exposed, which bring great risks to UAV application. This article surveys the security of ...
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