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Is pure water colorless?
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.
Stare at one color—but see another.
To see or not to see.
Discover why the sky is blue and the sunset is red.
Give a light source the raspberry and watch it wiggle.
Turn an old CD into a spectroscope to analyze light.
Make a friend disappear, leaving only a smile behind.
Your brain combines information from your eyes in surprising ways.
This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.
Attribution: Exploratorium Teacher Institute
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