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A flash of light leaves a lingering image.
A cube made from drinking straws can confuse your brain.
Without depth perception, random lines can become a chair!
Learn how to fly with this neat mirror trick.
Find order in well-mixed chaos.
Make a home for a colorful community of microorganisms.
Suspend a ball in a stream of air.
Does it matter which end is up?
A rotating black-and-white disk produces the illusion of color.
Suspend an object in the air by blowing down on it.
A bicycle wheel acts like a giant gyroscope.
Stare at one color—but see another.
This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.
Attribution: Exploratorium Teacher Institute
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