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Last Updated: Sep 19th, 2011 - 19:28:10


Serious Skyscrapers
By ClassBrain Staff
Feb 25, 2011, 7:01pm

How skyscrapers work – Read about the skyscrapers fight against gravity, how they stay standing and see how the wind affects these mighty buildings.
Big Skyscraper Basics - “The term "skyscraper" was coined in the 1880s, shortly after the first tall buildings were constructed in the United States -- but the history of tall buildings dates back hundreds of years. Since the Middle Ages, engineers have engaged in a battle for the sky.” Read about the history of these amazing buildings in the guide to skyscrapers.
Source: PBS

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