Without the force called friction, cars would skid off the roadway, humans couldn't stride down the sidewalk, and objects would tumble off your kitchen counter and onto the floor. Even so, how ...

I'll be honest—friction is pretty complicated. Imagine that I have a block of wood sliding on a table. In some way, the atoms on the surface of the wood block are interacting with the surface atoms on ...

Researchers in China have isolated the effects of electronic friction, showing for the first time how the subtle drag force ...

Friction is an intrinsic physical phenomenon to curling. Without it, objects in motion would move endlessly, without slowing down. This would cause many safety-related problems: Cars or trains could ...

What do you do when you feel like your entire life is friction? When everything is hard, heavy, and uphill? It would not help us to pretend that optimizing our morning routines will fix the world's ...