Soil gets stronger when struck by harder ground-penetrating missiles: research

April 12, 2015 1:09 PM

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Materials like soil and sand get harder and stronger when they are hit by ground-penetrating missiles, researchers found in a new study.

A group of physicists at Duke University developed a technique that enabled them to simulate high-speed impacts in artificial soil and sand in a lab, and then observe what happens deep under the ground surface. The technique helped them determine that soil really gets stronger when struck harder.

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