
Interested in the ways brains process visual information and the influence of context and frame of reference, psychologist Jules Beuchet first described his eponymous chair illusion in the mid twentieth century, and while popular for museum installations and retaining the effect in photographs unlike some others (see also
here and
here), we learn that the compelling dissonance, accidentally exemplified by this image of the
giant Bidens with the tiny Carters without set up—courtesy of
Futility Closet—we
discover a new, more portable technique for disabusing this trick, staged easier with a tripod, a miniature frame and piece of upholstery, requiring much less space and focal length to achieve the result.