https://twitter.com/DarekDewey/

@DarekDewey

Dewey is a physics teacher at St. Michael-Albertville (MN) H.S. and his frequent (near daily) delightful tweets usually show some interesting bit of physics via short (usually < 1 min) video tweets of sometimes classic, sometimes highly imaginative staged physics demonstrations, particularly optics and mechanics demos, often with imaginative Rube Goldberg-esque twists. Recent videos include an analyzable reverse ballistic pendulum, laser paths in a cardboard box lined with mirrors, regelation of ice, spectra from prisms, a rolling lug nut wrench raising and lowering a mass as it rolls up and down two steel lab clamp bars, collisions of carts, including (heavily) modified Atwood’s machine-like arrangements with various pulleys, resonance demonstrations, various Hot Wheels car demos, a Newton’s cradle with charged balloons, tilted track friction demos, wave diffractions, ball bearing in glycerin, polarizing filters, etc. Many of the videos are of traditional old chestnuts but still lots of fun...

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