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
0
6
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
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
A grain of sand buried for an extended period of time in earthworks or on the bottom of the ocean, accumulate a luminescence signal. Scientists use this signal to determine how long a particular grain of sand has been buried. ...
Earth Sciences
Sep 3, 2021
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14
An international group of researchers (the first author is Nikita Kalinin, Higher School of Economics—Saint-Petersburg, the last author is Ernesto Lupercio, CINVESTAV, Mexico) has presented the first continuous model describing ...
Mathematics
Sep 13, 2018
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25
New research is shedding light on how mechanically placed sand on San Diego County beaches moves and its potential impacts. The study, published in the journal Coastal Engineering, could help planners develop beach nourishment ...
Environment
Apr 9, 2018
2
18
Planet and star formation starts with a lot of material collapsing, falling down onto itself because of gravity. In the middle of this, a protostar is being formed. This star will then start to get warm and eventually glow. ...
Astronomy
Mar 1, 2018
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19
Just imagine, you are sitting on a sunny beach, contentedly letting the warm sand trickle through your fingers. Millions of sand grains. What you probably can't imagine: at the same time, billions upon billions of bacteria ...
Cell & Microbiology
Dec 13, 2017
1
20
This image from NASA's Mars Reconnaisance Orbiter (MRO) shows one possible place where sand grains are being produced on Mars today. Discovered in images from the Context Camera, this region exhibits dark material that is ...
Space Exploration
Oct 11, 2017
0
5
The question of when people first arrived in Australia has been the subject of lively debate among archaeologists, and one with important consequences for the global story of human evolution. Australia is the end point of ...
Archaeology
Jul 20, 2017
0
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