Shock waves occur in air when a plane travels faster than the speed of sound and also occur in plasma (a fourth state of matter that makes up 99% of the visible universe) in space. Shock waves are believed to accelerate particles ...
Astronomy
Dec 19, 2022
0
76
The uncertainty related to physical parameters is a major challenge in numerical modeling. However, due to the large number of such parameters in numerical models, reducing the uncertainty for all of them would be extremely ...
Environment
Dec 19, 2022
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1
Weekend joggers, competitive athletes and people keeping fit in the gym can say goodbye to sweaty armpits and clingy damp garments after a tough workout.
Materials Science
Nov 23, 2022
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14
The term "microplastic" (MP) was coined in 2004, and marine plastics started attracting public attention. In particular, the progress of MP research since the Elmau Summit in 2015 has been remarkable.
Environment
Nov 17, 2022
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12
As an emerging multi-satellite cooperative flight mode, the microsatellite swarm has become an important future research issue for distributed space systems. It offers low cost, rapid response, and collaborative decision-making. ...
Space Exploration
Oct 21, 2022
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4
Coastlines are among Earth's most dynamic environments. Tidal action, river sediment deposition, erosion, decomposition of organic matter, and more combine to create constantly evolving landscapes.
Earth Sciences
Oct 3, 2022
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4
When searching for Earth-like worlds around other stars, instead of looking for the "pale blue dot" described by Carl Sagan, new research suggests that a hunt for dry, cold "pale yellow dots" might have a better chance of ...
Astrobiology
Sep 20, 2022
2
522
NASA's Double Asteroid Redirection Test (DART) spacecraft will crash into asteroid Dimorphos on Sept. 26, executing the first asteroid deflection test that has been years in the planning.
Space Exploration
Sep 20, 2022
0
12
A large number of historical oil paintings from museum collections worldwide show signs of deterioration due to metal soap formation. Metal soaps affect the structural integrity and visual appearance of these paintings. Understanding ...
Analytical Chemistry
Sep 9, 2022
0
30
I'm standing at the edge of the Greenland ice sheet, mesmerized by a mind-blowing scene of natural destruction. A milewide section of glacier front has fractured and is collapsing into the ocean, calving an immense iceberg.
Earth Sciences
Aug 30, 2022
0
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