11 小时
AZoM on MSNScientists Develop Hydrogel Layers That Mimic Natural Joints for Friction-Free SurfacesThe friction behavior of hydrogel layers shows promise for superlubricity, potentially replacing conventional lubricants and ...
13 小时
Allure on MSNDoes Sleeping on Your Stomach or Side Really Cause Wrinkles?“'Sleep wrinkles' refer to creases that form overnight while sleeping as a result of the mechanical and frictional forces of ...
For more than a century, oceanographers have relied on the Ekman theory to explain how surface currents behave under the ...
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