Brazilian researchers have developed a technique that estimates the force exerted on each grain of sand in a dune from images. This method, which is based on numerical simulations and artificial ...
Tech Xplore on MSN
From spheres to 12-fanged grains, scientists tame unruly sand in graphics and simulations
On a sunny summer's day, children build sandcastles on the beach. But behind every castle and crumbling dune lies a surprisingly difficult scientific problem. In fact, the physics of sand is not yet ...
Last summer, Stephanie McNamara got her first glimpse of Great Sand Dunes National Park and Preserve in southern Colorado. The park is a monument to sand, where dunes stretch across 30 square miles ...
Travelers who have wandered certain vast deserts sometimes report an eerie experience: the ground itself seems to sing. As a face of dry sand gives way and cascades downhill, the dune releases a low, ...
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