In this video, we explain the capstan equation and how friction affects a rope or string wrapped around a surface. You’ll learn where the equation comes from, what each term means, and how it’s ...

Charging from friction. Flexoelectricity and tribology may explain how. Credit: Laurence Marks/Northwestern University The electric shock you get from shuffling along a carpet might be the first ...

Researchers have discovered for the first time, through theoretical calculation and experiment that macroscopic frictions occurring between clay mineral surfaces originate from interatomic ...

Humans have been making fire using friction for thousands of years, with evidence of its use found in archaeological records across different cultures worldwide. Fire by friction is a testament to ...

You should not use automotive oil in a motorcycle engine. Here’s what can go wrong, from reduced lubrication to accelerated ...

NIMS, the University of Tokyo and Hiroshima University jointly discovered for the first time, through theoretical calculation and experiment that macroscopic frictions occurring between clay mineral ...