Cognitive Daily

The man behind the amazing Contrast Asynchrony illusion has started a blog! Arthur Shapiro tells me he has a backlog of literally thousands of illusions. He promises to offer a new illusion every week, along with an explanation of the science behind it. Here’s a preview of this week’s illusion:

For an explanation of how it works, you’ll have to visit Shapiro’s blog, Illusion Sciences. There are already three illusions posted, with plenty more to come.

Arthur Shapiro is a world-class illusion designer and psychologist whose illusions have won the most prestigious awards in the field. Two illusions from his lab are among this year’s top ten illusions.


  1. #1 The Flying Trilobite
    May 1, 2008

    Quite amazing!

    Thanks for sharing this!

  2. #2 Barthy
    May 2, 2008

    It’s just a frickin emboss/stroke! What’s the big deal?

  3. #3 Michael
    May 2, 2008

    The big deal, Barthy, is that with edges, the polygons seems to move (like a snake) and without, they don’t, though they are not actually moving in either state.

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