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Optical Illusion or Clever GIF?

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  • Optical Illusion or Clever GIF?

    Is this truely a Optical Illusion or is this just a Clever GIF image?

    Watch the Sillouette, it should appear turning clockwise, and if you start watching its Shadow below the sillouette , it seems to reverse direction.


    Weird shit, maybe someone with a Animated GIF Editor can play it frame by frame and tell me.


    If you look at the spinning girl's silhouette above, you will think it is spinning clockwise, probably. When you check her shadow below, momentarily the spinning direction changes in your mind, and now the girl is spinning counter-clockwise. It can be quite hard at the beginning to notice switch of the spinning direction, but eventually you'll manage.
    Source : http://www.moillusions.com/ , Add it to your Customized Google Homepage Today!
    Last edited by Mindf!3ldzX; 06-24-2007, 10:53 PM. Reason: Forgot the Image.
    Want to get into playing Quake again? Click here for the Multiplayer-Startup kit! laissez bon temps rouler!


  • #2
    I don't see anything?? Forget to post link?

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    • #3
      ZOMG! This is amazing! It works so well that I don't even see it!

      Mindz = Criss Angel.

      MINDFREAK!
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      • #4
        I...see... nothing?

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        • #5
          You guys must be blind; I can totally see it. It's so fucked! Mindz was right, this is some wierd ass shit. It's playing with my mind. This is the coolest thing on Earth!!!

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          • #6
            I can't stop looking at it! so hypnotic!
            QuakeOne.com
            Quake One Resurrection

            QuakeOne.com/qrack
            Great Quake engine

            Qrack 1.60.1 Ubuntu Guide
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            • #7
              updated : Sorry, forgot the link.


              Comments / Suggestions about this Illusion expected!
              Want to get into playing Quake again? Click here for the Multiplayer-Startup kit! laissez bon temps rouler!

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              • #8
                first I saw CW. Then looked at the shadow and BOOM CCW. Then looking up I got CW again, then CCW again. Now I'm stuck with CCW

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                • #9
                  It never changed direction for me.
                  e|------------------------0---------------
                  B|---------------0^1----------------1----
                  G|---------------2------2------0^2-------
                  D|---------------2-------2--2-------------
                  A|---------------0------------------------
                  E|----------------------------------------

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                  • #10
                    looked at it 4 a good 3 mins, still lux static 4 me...

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                    • #11
                      That's good. It's fine if you don't look at the shadow at the bottom. When I look at the shadow, I can make her go any way I want.

                      I will find you... it's only a matter of time.

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                      • #12
                        Wow that is nuts. She started CW, then I did the shadow thing and she was going CCW. I started again with CW and saw that her right leg was leading, but her left leg is leading on CCW. Unbelievable.

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                        • #13
                          Never changed for me

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                          • #14
                            CW, tried it three times over a period, nothing ever changed.
                            Inside3d - Because you can't be Outside 3D!

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                            • #15
                              the illusion is caused when you either look directly at the actual foot and analyze its motion, or just stare blankly at the shadow. depth perception then becomes limited and makes it appear as if it is going the opposite direction. It's a weak illusion, but an example of top-down processing combined with the Phi Phenomenon that considers rapidly portrayed still pictures as "moving".

                              mindz: why can't it be both?

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