Only at NanoScientific Forum Europe #NSFE2021: we talk about mechanism of friction at the atomic and molecular level. Join here: www.nanoscientificforum.com Friction is involved in many different processes on different length scales, such as motions of joints, writing on a blackboard and the occurrence of earthquakes. Empirical theories have been developed in past centuries by Leonardo da Vinci, Amontons and Coulomb among others, founding the discipline of tribology. However,