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.
According to Dr. Stuart Anstis, how long does it take for your eye to register the LED light?
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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.
Meet The Creators
- Video created by SmarterEveryDay
- Lesson Plan created by Cynthia Silva
