This accurate one-pulse-per-second clock is made with a few common parts and driven from a 50 or 60 Hertz mains supply but with no direct connection to it. A beep or metronome-like click and/or a ...
Researchers at Fudan University have achieved a breakthrough by fabricating the first Field-Programmable Gate Array (FPGA) based on wafer-scale two-dimensional (2D) semiconductor materials.
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