Bonus: Rocker arms: sinusoids in two different directions

Why it's on BrighterTube

From a channel a BrighterTube curator approved in full · 80% confidence

From a channel Lumen includes in full: Bill Hammack, a University of Illinois chemical-engineering professor, explains how everyday engineered things work and annotates classic science texts like Faraday's Chemical History of a Candle; concise and precise.

What you'll learn

A 17-minute video from engineerguy's catalogue; the title names its topic.

Video by engineerguy, played through YouTube's embedded player.

Part of Albert Michelson's Harmonic Analyzer

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