When we take a stroll on the beach, we walk on the sand without any trouble. The sand appears solid and is difficult to compress. When we put the same sand grains in an hourglass, they behave very differently: the sand flows ...
General Physics
Apr 3, 2024
0
2
The Lanzhou-Xinjiang High-speed Railway (LXHSR) runs through four strong windy areas where land surfaces are all affected by the Gobi Desert. The threat from wind-blown sand/gravel by extremely strong winds in these areas ...
Earth Sciences
Mar 10, 2023
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6
Inspired by the way termites build their nests, researchers at Caltech have developed a framework to design new materials that mimic the fundamental rules hidden in nature's growth patterns. The researchers showed that, using ...
Materials Science
Aug 26, 2022
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185
If you want to understand why some sandcastles are tall and have intricate structures while others are nearly shapeless lumps of sand, it helps to have a background in geotechnical engineering.
General Physics
Aug 22, 2022
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6
Many historical buildings were built of sandstone, including Vienna's St. Stephen's Cathedral. Sandstone is easy to work with, but does not withstand weathering. It consists of sand grains that are relatively weakly bonded ...
Nanomaterials
Jul 11, 2022
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413
During its first couple hundred days in Jezero Crater, NASA's Perseverance Mars rover saw some of the most intense dust activity ever witnessed by a mission sent to the Red Planet's surface. Not only did the rover detect ...
Planetary Sciences
Jun 4, 2022
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27
Saturn's moon Titan looks very much like Earth from space, with rivers, lakes, and seas filled by rain tumbling through a thick atmosphere. While these landscapes may look familiar, they are composed of materials that are ...
Astronomy
Apr 25, 2022
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619
Scientists have long wondered how Jupiter's innermost moon, Io, has meandering ridges as grand as any that can be seen in movies like "Dune." Now, a Rutgers research study has provided a new explanation of how dunes can form ...
Astronomy
Apr 19, 2022
2
364
An interdisciplinary team including researchers from Leipzig University has analyzed an extensive collection of sand samples from so-called megaripple fields around the world and gained new insights into the composition of ...
Soft Matter
Jan 11, 2022
0
326
Part of the magic of Uluru is the way it tricks your senses. Deep orange by day, at sunrise and sunset it appears to change color, becoming a more vibrant shade of red, and then almost purple.
Earth Sciences
Dec 29, 2021
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64
