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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!
A rotating black-and-white disk produces the illusion of color.
Make a friend disappear, leaving only a smile behind.
Your experience of the world influences what you see.
Without a boundary, it’s hard to distinguish different shades of gray.
What happened to your whole hand?
Test how well your brain can see patterns.
What you see is often affected by what you expect to see.
Make a bright spot brighter.
This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.
Attribution: Exploratorium Teacher Institute
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