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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. kirbyfan978 // June 2, 2009 at 12:30 pm // Reply

    I knew about all of them except the spinnning wheels and that was cool!

  2. those were AWSOME! absolutly AWSOME!

  3. the flag was REALY awesome

  4. flat cola // May 28, 2009 at 8:18 pm // Reply

    The flag works best if you blink really quickly while staring at a white sheet after staring at the yellow, green, and black flag.

  5. The flag really works!

  6. whoa, that flag was awesome

  7. the flag was awesome.

  8. Awesome

  9. that is awsome

  10. dgdfbhsrfhbxfxdgy // May 25, 2009 at 9:18 am // Reply

    those were cool |:0

  11. sorrcer girl you have to blink a few times while look in at the white ones to see them

  12. thye flag didnt work . . .

  13. i’ve seen them all before

  14. wii lover700 // May 11, 2009 at 9:01 am // Reply

    i like the flag one.

  15. it is wired

  16. falcon5.0 // May 10, 2009 at 7:10 pm // Reply

    The flag one hurt my eyes!

  17. That is cool I would like to make an Optical illusion oneday.

  18. sweet!!!!!!!

  19. Those illusions where totally ratical!

  20. legomaster // April 9, 2009 at 2:36 pm // Reply

    Whoa, thats cool!! Also, where did the article about making a radio go??( I can’t find it.)

  21. awesome i like the flag

  22. AWESOME

  23. THEES ILLUSIONS ARE AWESOME

  24. coool!

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