How Stuff Works

About two-thirds of the aluminum ever made is still in existence. Find out why recycling aluminum makes it virtually indestructible. Watch more at http://dsc.discovery.com/tv/how-stuff-works/how-stuff-works.html

Reverse engineering the world. HowStuffWorks.
Reverse engineering the world. HowStuffWorks explains thousands of topics, from engines to lock-picking

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13 years ago

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