Watch five Popular Science editors tackle fun and easy DIY projects that you can actually do yourself

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Extreme Engineering

Extreme Engineering

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DATE : Wed, 4 Mar 2009 22:01:00 GMT
Entered in Database : 2009-03-04 22:01:00
length : 13144712
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Inside the biggest cruise ship, the tallest skyscraper, the longest tunnel, and more amazing, massive-scale projects

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