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Boomerang Illusion: Difference between revisions
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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. | 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. | It's sold as part of many magic kits to children. | ||
== Publications == | == Publications == | ||
* Presented as an optical illusion in [[Simple Conjuring Tricks]] by [[Will Goldston]] (1913) | * Presented as an optical illusion in [[Simple Conjuring Tricks]] by [[Will Goldston]] (1913) | ||
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== References == | == References == | ||
{{Wikipedia|Jastrow_illusion}} | |||
*http://www.tutztutz.com/2008/02/20-amazing-optical-illusions/ | *http://www.tutztutz.com/2008/02/20-amazing-optical-illusions/ | ||
[[Category:Illusions]] | [[Category:Illusions]] | ||
Revision as of 07:48, 28 October 2011
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
- Presented as an optical illusion in Simple Conjuring Tricks by Will Goldston (1913)
- A kind of bet in 200 More Tricks You Can Do by Howard Thurston as Which Is Larger? (1927)
Variations of the shape
- Noses
- Bananas
- Rainbows
- Fish
References
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This page incorporated content from Jastrow_illusion,
a page hosted on Wikipedia. Please consult the history of the original page to see a list of its authors. Therefor, this article is also available under the Creative Commons Attribution-ShareAlike License |