Innocent ChickenDirectory for the innocent chickens in all of us

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Here are 52 photographs that shaped a technology, an art form, and the world.

Lewis W. Hine - Breaker Boys (1910)

The National Child Labor Committe hired Hine to depict children working in mines, mills, and streets. His photos swayed public opinion as statistics could not.

Warnig some of these images are graphic.

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As part of their Image of the Day series, NASA posted a beautiful image of a sunset on Mars sent by the Mars Exploration Rover Spirit on May 19, 2005.

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Scientific American has a nice article listing the top five mistakes that photo-fakers make when they use photoshop to doctor piccies.

Surrounding lights reflect in eyes to form small white dots called specular highlights. The shape, color and location of these highlights tell us quite a bit about the lighting.In 2006 a photo editor contacted me about a picture of American Idol stars that was scheduled for publication in his magazine (above). The specular highlights were quite different (insets).

The highlight position indicates where the light source is located (above left). As the direction to the light source (yellow arrow) moves from left to right, so do the specular highlights.

The highlights in the American Idol picture are so inconsistent that visual inspection is enough to infer the photograph has been doctored. Many cases, however, require a mathematical analysis. To determine light position precisely requires taking into account the shape of the eye and the relative orientation between the eye, camera and light. The orientation matters because eyes are not perfect spheres: the clear covering of the iris, or cornea, protrudes, which we model in software as a sphere whose center is offset from the center of the whites of the eye, or sclera (above right).

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