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Optical illusions to confuse your brain

Your eyes can play tricks on you. Pictures that confuse your eyes and brain, tricking them into seeing something differently, are called optical illusions. See if you can figure out these optical illusions.

WHICH OBJECT IS TALLER?

Which object is taller?

None: They’re all the same size.


WHICH LINE IS LONGER?

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Neither: They’re both the same.


IS THIS GRAY HAZE SHRINKING?

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Stare at the black dot. After a while the gray haze will appear to shrink.


DO THESE COLORED LINES BEND?

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No, they’re perfectly straight—but try telling your eyes that!


ARE THESE WHEELS SPINNING?

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Stare at the center. Now move your head back and forth toward and away from the page. The circles will appear to spin.


HOW MANY BLACK DOTS CAN YOU COUNT?

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Look closely and you will see them.


DO YOU SEE TWO FACES OR A VASE?

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If you see one, close your eyes for a moment, then look for the other.


ARE THESE LINES STRAIGHT OR CROOKED?

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Yep, you guessed it. The horizontal lines look crooked, but they are perfectly straight.


ARE YOU SEEING RED, WHITE & BLUE?

Stare at the center of this flag for one minute. Then look at an empty white sheet and you’ll see a red, white and blue flag.

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HOW THIS FLAG WORKS

Your eyes see color as measures of red or green, blue or yellow and bright or dark. When you look at a green object for a long time, your eyes get tired and start seeing red. When you look at yellow, after a while you’ll start to see blue. And darkness turns into brightness. The result: Even this wacky flag can be good, old red, white and blue—after a while!


32 Comments on Optical illusions to confuse your brain

  1. you can get Optical Illusion books at the library.

  2. I like the flag and the ARE THESE WHEELS SPINNING?

  3. the flag and dots don’t work

  4. love them there the first ones that work

  5. That is so cool!

  6. That was really cool. The flag was crazy.

  7. seen them all😦

  8. girl scout caddete // December 19, 2010 at 6:53 pm // Reply

    cool

  9. way too cool for me

  10. the flag is……………cool

  11. I have to admit this is pretty cool!

  12. awesome

  13. see if we can get one to look different colors!

  14. when i stare at the dots some disappear and a less amount remains:)

  15. a small person // September 20, 2010 at 6:31 pm // Reply

    The black dot one bugs me, I go to look at the dot that I see in my periferal vission but when I look they are not there.

  16. huntermox1231 // August 27, 2010 at 2:35 pm // Reply

    I keep seeing white dots instead of black ones.

  17. I have seen them all, but still, awsomeness!

  18. The dots confuse me.

  19. for the face\vase thing i see both at the same time

  20. i got dizzy

  21. thundereagle // July 28, 2010 at 4:54 pm // Reply

    the flag was cool but i’ve seen the rest before

  22. applesauce // July 24, 2010 at 3:51 pm // Reply

    cool

  23. too cool

  24. rocketman223 // July 13, 2010 at 3:07 pm // Reply

    they all seemed to work perfectly!!!!

  25. flag- dose not work, seen rest before

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