Global challenge reveals vast differences in measuring surface roughness and topography

the challenge to defin


The challenge to define true surface topography
Surface Topography Challenge logo. Credit: Lucia Brunold

Anyone who has slipped on a polished floor or felt their tires spinning in the snow knows instinctively the importance of surfaces. Certainly those in manufacturing—be it of robots, running shoes, or semiconductors—understand that they are vital. Yet for all the importance of surfaces, attempts to accurately measure and describe their topography vary wildly.

The University of Pittsburgh’s Tevis Jacobs and the University of Freiburg’s Lars Pastewka have teamed up with Saarland University’s Martin Müser and Jacobs’ graduate…



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