The amplituhedron, a shape at the heart of particle physics, appears to be deeply connected to the mathematics of paper ...

With few exceptions, amateur radio is a notably sedentary pursuit. Yes, some hams will set up in a national or state park for a “Parks on the Air” activation, and particularly energetic operators may ...

Abstract: The conventional electromagnetic maglev train is currently the sole commercially operated high-speed maglev train; however, it faces challenges, such as a narrow suspension gap, excessive ...

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