Comment by FVjake on 26/06/2024 at 16:24 UTC

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View submission: Ask Anything Wednesday - Engineering, Mathematics, Computer Science

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Oops, that’s what I meant, wired in parallel. Also, you can absolutely have a wave traveling down a wire.

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Comment by Origin_of_Mind at 26/06/2024 at 19:24 UTC

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There is a pretty easy and a very cool demonstration of such effect which is sometimes done in lectures. But typically it is done with continuous waves instead of pulses. All the same, the lights show where the constructive interference of the forward and reflected waves occurs. You can manipulate the boundary conditions at the end to show what happens when the waves reflect with a different phase. There should be videos of such experiments on youtube, but I do not have a reference on my fingertips.

One of the issues with such demonstrations is that they radiate tons of interference, so some care is required to minimize the harm.