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Science teacher Bruce Yeany uses this collection of physics marble tracks to introduce and reinforce his students' ideas about perpetual and kinetic energy, motion, acceleration, inertia, and more. The tracks—stringle...
It’s true: the narration sounds a bit like a 1960s instructional video. But! Look! It’s a gyroscope! They’re so fascinating that they give this video a lot of force and momentum. How do we use gyrosc...