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A cube made from drinking straws can confuse your brain.
Stare at one color—but see another.
To see or not to see.
Your brain combines information from your eyes in surprising ways.
Now you see it; now you don’t—an object without a sharp edge can fade from your view.
See shadowy shapes floating inside your own eye.
Without a boundary, it’s hard to distinguish different shades of gray.
What happened to your whole hand?
There’s more to seeing than meets the eye.
Test your vision—just by moving your head.
Which is in control, your eyes or your brain?
Test how well your brain can see patterns.
This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.
Attribution: Exploratorium Teacher Institute
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