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AT&T Archives: Similiarities of Wave Behavior (Bonus Edition)
AT&T Tech Channel
A Bell Labs film in which Dr. J.N. Shive uses a mechanical wave machine to demonstrate reflection, standing waves, resonance and impedance matching. He includes some equations but relies mostly on real-world examples a layperson can follow.
HN repeatedly calls it the clearest introduction to waves and transmission-line behavior, better than modern explainers.
20 Hacker News mentions · 2014–2026