Friday, February 21, 2014

The man who discovered the 3D visual effect couldn't even see it because he was blind in one eye.


Dr. Carl Pulfrich was an early pioneer in the design of sterescopes, images that appear to be three-dimensional that are composed of two separate two-dimensional images. (like a View-Master toy). He’s well-known for observing and documenting what is now known as the “Pulfrich effect”. 

The Pulfrich effect is the illusion of depth created by our brains when viewing an object with a dark filter applied to one eye. This effect is the basis behind the 3-D movies that we can see today in theaters. 

In Pulfrich’s own words: “I have never been able to observe these effects myself, for I have been blind in the left eye for 16 years.” 

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