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What you see is often affected by what you expect to see.
Imperfect alignment can lead to interesting patterns.
A magnet exerts a force on current-carrying wire.
Surprisingly, a flat panel rolls smoothly on non-circular rollers.
Air trapped between two pieces of clear plastic produces rainbow-colored interference patterns.
Get Bach to the fundamentals.
It’s all done with mirrors.
Pendulums dance in a shifting series of patterns as they swing to their own rhythms.
Investigate how length, mass and release point affect pendulum speed.
Discover the outer limits of your eyes.
Your eye and brain hold on to a series of images to form a single complete picture.
Randomly toss some toothpicks, with pi as your reward.
This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.
Attribution: Exploratorium Teacher Institute
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