The familiar heat, wear and general grinding to a halt of friction are all caused by what's going on at the microscopic level when two things rub. And down there, even the smoothest surfaces usually ...

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 ...

Friction hampers the movement of all mechanical parts, including engines for transportation. Scientists built a system with virtually no friction. The system wraps graphene flakes around nanodiamonds ...

Scientists have developed a technique for creating surfaces that can slide past each other with virtually no friction, and their findings could create new opportunities for engineering in ...

1.1 What is friction? Take this everyday example: when a coffee mug rests on a flat table, the kinetic frictional force is zero. There is no force trying to move the mug across the table, so there is ...

Scientists have developed a technique for creating surfaces that can slide past each other with virtually no friction, and their findings could create new opportunities for engineering in ...

A good old game of carrom has really stood the test of time. Set up a board and people around will flock to it while practising their finger gymnastics. You may not have noticed but the game often ...