This is Not a Spiral

By Minnesotastan in Everything Else on Apr 4, 2010 at 1:00 pm

The blue elements in the image above appear to be a arranged in a continuous spiral, but in fact they form a series of concentric circles.  Your brain will argue so strongly for a spiral that you may need to run your mouse cursor around the circles a few times to convince yourself.

Image credit to Akiyoshi Kitaoka 2009. Via Moillusions.


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  1. Acrominator
    Apr 4th, 2010 at 2:38 pm

    However, what works for me is closing your eyes and leaving them open for just a little bit so that your eyelashes create a shade, and then, you might just be able to see that it’s all going in circles really.

  2. NC
    Apr 4th, 2010 at 5:43 pm

    Weirdest to me is that if you look at it long enough it stops looking like a spiral and you can’t get it to go back.

  3. Dirk Dingle (that's right, Joe)
    Apr 4th, 2010 at 7:37 pm

    OMFG! This is so fake. Chris Brown is from Humpy Town, yo!

  4. What's the big deal?
    Apr 4th, 2010 at 10:18 pm

    … Yes, it is not a spiral indeed…

  5. tarun
    Apr 5th, 2010 at 11:54 am

    Just blink your eyes quickly and you will see that blue rings are actually concentric cirles.

  6. Gavin St. Ours
    Apr 6th, 2010 at 10:33 am

    Great! Now I can’t trust my eyes or brain anymore!

  7. Sairah
    Apr 6th, 2010 at 5:10 pm

    Wild! The lowering of your eyelashes trick actually does work. I had to trace the circles with my fingers before I believed it!

  8. kaolin fire
    Apr 6th, 2010 at 8:43 pm

    it burns…it burns my brain…it burns so good….

  9. Stafir
    Apr 7th, 2010 at 12:56 am

    Easiest way to get it to work are things similar to the barely open eyes trick. You basically want something that will partially obstruct your view…if you are far/near sighted you can also take off your glasses/contacts and get it to the range it looks fuzzy…that’ll also ruin the illusion and cause you to see it as pure circles much easier.

  10. Mike O'Dell
    Apr 7th, 2010 at 9:44 am

    sort of the visual equivalent of Shepherd Tones.

  11. ReverendTed
    Apr 7th, 2010 at 5:09 pm

    I am immensely disappointed the caption here isn’t “Ceci n’est pas une spiral.”

  12. matt
    Apr 9th, 2010 at 1:42 pm

    Perhaps you should attribute the image’s creation to its author. It appears that the Croation website you sourced this from has no interest in that. It is not legal in the United States to induce infringement of a copyright.

    If we want creators to continue to make images such as this, perhaps we should get more serious about protecting their ability to maintain a revenue stream.

    Lets grow up journalists – check your sources and give credit where it’s due.

  13. Douglas
    Apr 11th, 2010 at 11:55 pm

    It looks like one of Akiyoshi Kitaoka’s many spirals:

    http://www.psy.ritsumei.ac.jp/~akitaoka/uzu7e.html

  14. Minnesotastan
    Apr 12th, 2010 at 12:19 am

    Thank you, Douglas! Credit incorporated into the post.

  15. MNjer
    Apr 20th, 2010 at 7:16 pm

    kid of reminds one of the Obummer administration…..

  16. John | Daily Photo
    Apr 21st, 2010 at 12:55 am

    Thanks for that, now I’m starting the day with a headache!

  17. jaliyaheti
    Apr 27th, 2010 at 1:47 pm

    pollution agreement forward windows


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