Screen Savers
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Screen savers evolved to solve a problem that no longer exists. Early computer monitors could not display the same image for too long without discoloring the screen’s glass. The discoloration created faint distortion--or a ghostly burn that obscured everything else on the screen. Newer monitors don’t have this problem, but screen savers remain popular.
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Researched by AARON CURTISS/Los Angeles Times
Source: www.howstuffworks.com
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How Stuff Works: www.howstuffworks.com
