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Boomerang Illusion

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Revision as of 07:48, 28 October 2011 by Jpecore (Talk | contribs)

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The Boomerang Illusion (also known as the Jastrow Illusion) is an effect based on an optical illusion in which two boomerang shapes appear to shrink and grow.

The optical illusion is credited to Professor Joseph Jastrow, a pioneering psychologist, who used it to illustrate optional illusions in 1891.

It's sold as part of many magic kits to children.

Publications

Variations of the shape

  • Noses
  • Bananas
  • Rainbows
  • Fish

References

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