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You won't believe your eyes

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Every optical illusion you've ever seen is a hint that what you see and what you perceive are two different things. That’s why SmarterEveryDay investigates cases where you actually can't believe your eyes.


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TED-Ed Best of Web are exceptional, user-created lessons that are carefully selected by volunteer teachers and TED-Ed staff.

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Additional Resources for you to Explore
Watch these recommended TED-Ed Lessons
Eye vs. camera
How optical illusions trick your brain

Additional references
Publications by Dr. Stuart Anstis - University of California San Diego
Greg’s original persistence of vision video - YouTube
The Persistence of Vision - Vision.org
Next Section »
We may use our eyes to make sense of the world around us, but remember even your eyes can be fooled.
2 Guided Discussions
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Avatar for Cynthia Silva
Cynthia Silva
Lesson Creator
Princeton, New Jersey, United States
How does persistence of vision work for flip books?
04/19/2018 • 
 3 Responses
 / 3 Updates
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What are examples of persistence of vision you’ve encountered?
04/19/2018 • 
 1 Response
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Customize This Lesson

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About TED-Ed Best of Web

TED-Ed Best of Web are exceptional, user-created lessons that are carefully selected by volunteer teachers and TED-Ed staff.

Meet The Creators

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