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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!


25 Comments on Optical illusions to confuse your brain

  1. the flag does not work with me

  2. totally cooler than me!

  3. Agwderjferhl // March 14, 2009 at 12:34 pm // Reply

    this stuff is cool

  4. antiglueman // March 13, 2009 at 4:36 pm // Reply

    This is so cool! I showed it to my mom and dad and they thought it was so cool too!
    I definatley think you should try it.

  5. cool

  6. That is just plain freaky.

  7. dinoboy234 // March 2, 2009 at 5:17 pm // Reply

    THIS IS AWSOME!!!!!!!!

  8. Thanks dogrock I saw the flag this time! B)

  9. I like the black dot one the most, though it’s actually kind of creepy the way the bounce around! B)

  10. the flag kinda scares me its so weird

  11. if the flag dosent work look at it longer and dont even blink or move your eyes its tricky

  12. i can so totally do the flag

  13. koolperson246 // February 20, 2009 at 9:01 pm // Reply

    that flag is soooo kool!!!!

  14. AWESOME

  15. I freaked about the flag that was just crazy!!!

  16. Grahamcracker // January 27, 2009 at 4:55 pm // Reply

    that was some sweet pictures

  17. MarineSniper // January 27, 2009 at 3:20 pm // Reply

    That is sweet!

  18. the flag is so cool i looked at it 50 times

  19. EVEN THE FLAG WORKED ON ME!

  20. the flag is sweet.

  21. the flag works

  22. The flag never works for me.I tried it like 10 times!!

  23. cool stuff!!!!!!

  24. the flag was awesome!!!!

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