Can you always believe your eyes?

No, you can't. You probably remember some funny optical illusions that always play tricks on you. Here's one you can try on your monitor, without getting up and without any other tools.

You know the effects of image processing programs that allow you to distort and warp an image? Did you also know that your brain has always been able to do this? Without a computer and without a program, just with your eyes?

Start the video and then stare at the center of the rotating spiral. After about 15 seconds you will see a normal, still image. What do you see?

Originally created for the web in Flash, this application has now been converted to MP4 video format so you can still be surprised with it. Launch the video:

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