Continuous Line Illusion


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Continuous line illusion - there are no squares but a single continuous spiral
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A few words

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Copyright © 1996-2017 Alexander Bogomolny

Continuous Line Illusion

The applet shows a continuous spiral line, although the tendency is to perceive a sequence of embedded squares. The eye does a better job at recognizing a shape than at tracing a line. But to correctly interpret the diagram, the eye needs to trace a curve - something it does not do well.

References

  1. A. Seckel, The Art Optical Illusions, Carlton Books, 2000 (#20)

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Copyright © 1996-2017 Alexander Bogomolny

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