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It’s Moving . . . Isn’t It?
Sometimes, images can appear to move even
when they aren’t . These are optical illusions—
images that tricks the brain into seeing things
differently than they are . The pictures in this book
aren’t moving . But your brain may think they are!
Let’s check out some optical illusions!
This burst of
color appears
to expand!
Look at the side of these two circles.
Do they appear to rotate in opposite
directions? What happens when you blink?
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