We asked retired astronauts about their favorite space movies, and this is what they shared with us The landscape beneath Antarctica's icy surface revealed in unprecedented detail Early results show ...

Abstract: The super multi-armed and segmented (SMAS) spiral pattern has been observed in nature, such as sunflower inflorescence, spiral aloe, pine cone, ball cactus and Roman broccoli, which is ...

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Abstract: This work presents a novel, low-cost frequency and pattern reconfigurable antenna for Internet of Vehicles (IoV) applications. The proposed design addresses the issue of using multiple ...