"The Ethics of Digital Manipulation
How can we believe anything we see anymore? With today's technology, we can literally do anything we want with images.
In the example see above, we have changed the red color of M8, the Lagoon Nebula, whose main spectral emission lies in the red portion of the spectrum, to blue with a simple adjustment in Photoshop.
When photography was first invented, its overwhelming power came from the fact that it recorded nature more realistically than any other art form had ever done before. Because of this, people trusted it and believed it portrayed "reality" and "truth".
But, just as story telling could portray the "truth" with an accurate accounting of the facts, it could just as easily become fiction. Fake and manipulated photographs - visual fiction - began circulating not long after the invention of photography.
With the invention of motion pictures, and certainly television, the public came to know that not every picture they saw was necessarily factual in its depiction of reality."
See comments and reference on my Bibliography.
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