This 3D hologram of a toy car is illuminated by a red laser,
and you can see it spin as the turntable runs.
A chopping wheel and a camera are used
to show the Strobe Effect.
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A coin and a mug are used to see
refraction in water.
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Two small hovercrafts show
Elastic Collisions in two dimensions.
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This two dimensional oscillator makes Lissajous figures!
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