• Question: what's the best optical illusion you have ever seen ?

    Asked by 07bowermanmol to Ian on 15 Jun 2011.
    • Photo: Ian van der Linde

      Ian van der Linde answered on 15 Jun 2011:

      I really like this one:

      http://www.maniacworld.com/spinning-wheel-illusion.html

      It appears to move because we are making tiny eye movements (called microsaccades) all the time, which cause the edges of the segments to cross detectors in our eyes.

      I think it would be great if they could print this on wallpaper and you could make a whole room that appeared to be moving the whole time!

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