Laser damage in fused silica, particularly ultraviolet laser damage, is still a key problem limiting the development of high-power laser systems. The traditional processing method of fused silica goes through the processes ...
Optics & Photonics
Nov 2, 2020
0
7
Researchers at the University of Washington, Portland State University and the University of Oregon have shown that deep-seated landslides in the central Oregon Coast Range are triggered mostly by rainfall, not by large offshore ...
Earth Sciences
Sep 16, 2020
0
111
A new study led by McGill University has found that tectonic plates beneath the Earth's surface can show varying degrees of roughness and could help explain why certain earthquakes are stronger than others.
Earth Sciences
Apr 24, 2020
0
1005
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 2, 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
0
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
Russia is testing a gun that returning cosmonauts could use to fend off wild animals when landing in remote areas, the head of the Russian space agency said Wednesday.
Space Exploration
Sep 18, 2019
2
81
