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When your life science class is learning about the eye and how it works, you can add this activity as a demonstration of how the retina holds an afterimage. After staring at a red, green, or blue bird shape, pupils glance at a cage and see a bird of a different color inside!
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Pros
- A fun enrichment to your eye lessons
- A sound explanation of how the phenomenon occurs is included on the webpage
Cons
- None
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