Here’s a clip from the BBC’s Fun to Imagine series, in which Richard Feynman explains the amazing thing that happens when you stretch and release a rubber band. I’d always wondered why wide rubber bands got warm when you stretched them, and now I know! Feynman was a brilliant physicist and an even more brilliant physics-explainer, who busts out lines like “The world is a dynamic mess of jiggling things if you look at it right.”
via Boing Boing
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