Understanding friction, the unavoidable enemy

For machines with mechanical elements, friction is an unavoidable enemy. It is a major source of service failure and can reduce the lifespan of any machinery, from bicycles and cars to airplanes and assembly lines. New research unveils the atomic-scale friction of a single tungsten asperity, or rough edge, in real time, showing atomic motion using electron microscopy.

from Top Technology News -- ScienceDaily https://ift.tt/iLme6Gp