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J. Perelman
"Entertaining physics". Book 2.
Chapter 9. Reflection and refraction of light. Vision

ILLUSION, USEFUL FOR TAILORS

If you have just described the illusion you wish to apply to larger shapes that cannot be covered right eye, then your expectations are not met. Everyone knows that low full man in a suit, with transverse stripes seems to be not only thinner, but even wider. Conversely, wearing a suit with vertical stripes and pleats, full of people can, to some extent to hide their completeness.

How to explain this contradiction? The fact that, when considering such a suit, we can't grasp it immediately, without moving the eyes; we unwittingly eyes follow along the lanes; the force of the ocular muscles this makes us unconsciously exaggerate the dimensions of the object in the direction of the strips; we are accustomed to associate with the effort of eye muscles idea of large items that do not fit Polo of view. However, when we consider small striped drawing our eyes remain fixed and the muscles are not fatigued.

Entertaining physics J. Perelman

 




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