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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. astromatt7 // July 10, 2007 at 6:26 pm // Reply

    It was really cool! I liked all of them, especially the gray haze. I showed them to my sister, and she likes them, too!

  2. THE BLUE MAN // July 10, 2007 at 5:29 pm // Reply

    AWSOME!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

  3. My eyes are that dumb???

  4. Dude thats crazy.

  5. it’s so cool!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!{=)

  6. Sweet flag!!!!!!!! (=

  7. i liked them all but the wheel one was like amazing how our eyes do that

  8. little viking // July 6, 2007 at 8:28 pm // Reply

    theese were the best tricks i’ve ever seen

  9. i love illusions !!!!!!!!!!!!!

  10. noahfoss98 // July 4, 2007 at 10:31 am // Reply

    I like the wheel & the dots:-)

  11. Howsaboutislapya // July 1, 2007 at 9:25 pm // Reply

    The flag is really cool

  12. OpticalWOW!!!!!!!!!! // July 1, 2007 at 7:32 pm // Reply

    I DON’T GET THE FLAG BUT, THIS IS FUN

  13. pattmann3223 // July 1, 2007 at 6:10 pm // Reply

    gimmie some more please!!!!!!!

  14. dododododo // July 1, 2007 at 2:48 pm // Reply

    I liked them all, but the wheel one has always been my favorite.

  15. i’ve seen um all before but there still pretty cool

  16. Deathwalker 9000 // June 30, 2007 at 4:37 pm // Reply

    (-: Me love da flag!!!!!!!

  17. they were good but ive seen all them before

  18. the one about the wheel ROCKS!!!!!!!!!!!!!!!!!!!!!!

  19. Sweeet!

  20. troop 136 from lufkin tx // June 27, 2007 at 10:24 pm // Reply

    that was cool!

  21. i think the flag is fantaaaaaaaaaastiiiiiiiiiiiiiiic!!!!!!!!!!!!!!!!!!

  22. Exterminator // June 27, 2007 at 12:20 am // Reply

    Noodle: I’ve seen tat one before too.

  23. that was really cool awsome

  24. retiredbearcub56 // June 25, 2007 at 4:29 pm // Reply

    OPTICAL ILLUSIONS ARE WICKED

  25. My favorite illusion on here is the one about the wheel.

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