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 Diana Grady Posts: 359 Joined: 11/14/2007
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HowStuffWorks is an extensive guide to the design and operation behind everyday objects, products, and systems. A comprehensive article explains each topic, usually accompanied by images and video or audio clips.
"The Science Channel." HowStuffWorks. Copyright 1998-2007, HowStuffWorks, Inc.HowStuffWorks: The Science Channel |
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