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This block of sand defies physics – A N I T H
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This block of sand defies physics

This block of sand defies physics


Sand is one of the least strong materials since it only relies on internal friction for support. YouTuber Practical Engineering found that using even little reinforcements strengthened the sand.

The tension in the reinforcements creates confining pressure in the soil, which is how highway walls stay up.



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Anith Gopal
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