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Ever build a sandcastle?
June 24, 2009
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With lessons from the sandcastle, now builders are making something called “rammed earth” structures, which are made with sand, gravel, and clay and are as strong as cement buildings. Like sandcastles, “rammed earth” structures are strongest with just the right amount of water.

Source Credit: Source: Durham University (2009, June 3). Secret Of Sandcastle Construction Could Help Revive Ancient Building Technique, Researchers Say. ScienceDaily. Retrieved June 11, 2009, from http://www.sciencedaily.com/releases/2009/06/090602192559.htm

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