Medical needles have many uses. Since the needles are directly inserted into a person’s body, it is critical that manufacturers adhere to national and international standards for shape, materials, and ...

Surface roughness influences many mechanical properties, including friction and adhesion, surface reactivity, semiconductor substrate quality, and surface interaction with electromagnetic waves, ...

The SJ-220 portable surface roughness measuring instrument has touchscreen and wireless capabilities. The intuitive touchscreen has a user interface that supports fingertip operations, including flick ...

Many types of equipment use ball bearings to minimize friction in rotating parts, including automobiles, bicycles, electric appliances, and industrial machinery. Ball bearings are ground to ensure a ...

PITTSBURGH (October 4, 2017) ... The smaller the object, especially at the atomic or subatomic level, the stranger it behaves. For example, as technological devices become smaller and smaller, the ...