Most natural and artificial surfaces are rough: Metals and even glasses that appear smooth to the naked eye can look like jagged mountain ranges under the microscope. There is currently no uniform theory about the origin ...
Materials Science
Feb 18, 2020
0
359
Specially designed vacuum suction units allow humans to climb walls. Scientists have developed a suction unit that can be used on rough surfaces, no matter how textured, and that has applications in the development of climbing ...
Soft Matter
Jan 17, 2020
1
245
Roughness, the presence of irregularities on a surface, is commonly associated with slower motion and stickiness. This is true at different length scales: at human size (1 meter), it takes longer to walk along a path that ...
Nanophysics
Jan 17, 2020
0
15
Tires gripping the road. Nonslip shoes preventing falls. A hand picking up a pen. A gecko climbing a wall.
Materials Science
Dec 02, 2019
0
649
Scientists have shown how bacteria adhere to rough surfaces at the microscopic level. Now a team of researchers has discovered that precise analysis of the topographical composition of nanostructured surfaces provides a direct ...
Bio & Medicine
Oct 10, 2019
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22
A research team led by the University of Tsukuba studied the aerodynamics of a volleyball using a wind tunnel and hitting robot. They found that no matter the orientation of a standard ball, the pattern of panels presents ...
General Physics
Oct 10, 2019
0
9
Modeling currents together with wind and waves provides more accurate predictions for weather forecasts and climate scientists.
Earth Sciences
Sep 11, 2019
0
16
Ultra-low-loss metal films with high-quality single crystals are in demand as the perfect surface for nanophotonics and quantum information processing applications. Silver is by far the most preferred material due to low-loss ...
Summer is here and along with the fun days spent outside with your pet comes the itching and scratching from the fleas, ticks and mosquitoes, as well heat-related issues.
Veterinary medicine
Jun 28, 2019
0
0
If you've ever pressed a picture-hanging strip onto the wall only to realize it's slightly off-center, you know the disappointment behind adhesion as we typically experience it: it may be strong, but it's mostly irreversible. ...
Materials Science
Jun 17, 2019
1
359
