Hazy paving

The photograph is of some visual illusion paving stones found in Bogot√°’s Zona T this morning. They give the impression of an uneven surface despite being completely flat.

I was in Bogotá to give a talk to the Asociación Colombiana de Psiquiatría Biológica who kindly invited me to their Christmas meeting.

Many thanks to them, and to the town planners of Bogot√°.

One Comment

  1. Posted December 12, 2008 at 1:04 pm | Permalink

    I really like the visual effect of the paver blocks. Being a wood turner I enjoy finding these illusions in blocks of wood I turn.
    One such block is at the URL above (click name). I’ll add, because this is my first post, Mind Hacks is a wonderful site and an every day read.

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