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Comment by klysm

3 years ago

Sounds like a fun project to do, I wonder if you could even implement it in full discrete logic and skip the FPGA

Is there an appreciable practical lower-bound in latency to that? I’ve never understood how-and-why electronic signals can propagate down a wire so gosh-darn quickly: the speed of sound is what I’d have intuitively expected, not 50-99% the speed of light ( https://en.wikipedia.org/wiki/Speed_of_electricity )

  • Essentially, energy is carried throughout a circuit by the electric field created by a voltage differential, not by electrons pushing other electrons like how sound is transmitted through a medium. So signals propagate on the same order of magnitude as the speed of light. I think this is a relatively intuitive explanation: https://www.youtube.com/watch?v=C7tQJ42nGno