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Posts Tagged ‘archives’

The Mysterious Diamond Eye Imp: An Optical Illusions from Early American Advertising

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From Duke University’s Emergence of Advertising in America archive comes this beautiful advertisement for Diamond Dyes, published sometime between 1853 and 1920. The ad uses the negative afterimage optical illusion, which is a common sight in most first year psychology textbooks, although usually in a much more boring way. This image is actually kind of frightening.

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The Mysterious Diamond Eye Imp

Diamond Dyes

About

Too Many Interests is a dumping ground for the occasional obsessive googling and data hording of Frank Sayre, who has too much time on his hands for his own good. Current interests include, but are not limited to: data visualization, information technology and open source software, science and technology studies and the history of the life sciences, specifically psychology and medicine. Franklin can be contacted at frank.darrow AT gmail.com.

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Recent Posts

• The Mysterious Diamond Eye Imp: An Optical Illusions from Early American Advertising
• Hodgepodge: How to electricute yourself, where the machine of big science go when the science stops and a woodcraft fMRI puzzle
• The Body Landscapes of Fritz Kahn
• The history of psychology through the lens of Life Magazine
• Illustrating the Incomprehendable

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