Thursday, 18 August 2011

Optical Illusion

I take the RSS feed from Today there was reference to an interesting update on an old optical illusion. In the past this has been a 2D static illusion but now you can see it in action as a video. Though a simple illusion it really does make the mind boggle.

Click here for the link to the video on YouTube

If you go there and click on 'Show More' there is an explanation of how it works and even a link to a jpg file so you can try it out, in 2D, for yourself.


  1. Thanks John......this sort of thing really tickles my fancy.

  2. Very cool, John. My brain surely does reject the evidence right in front of my eyes!

  3. My pleasure Adrian. I have always been fascinated by the drawings of Escher.

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  5. Same here Wilma. My brain says that just cannot happen.


Thank you for visiting. Hope you enjoyed the pictures. Any comment, or correction to any information or identification I get wrong, is most welcome. John

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