It may seem a bit strange that something as ubiquitous as friction is not very well understood, but it's true. On a macroscopic level, physicists and engineers can model friction and its effects very ...

EVANSTON, Ill. -- Most people have experienced the hair-raising effect of rubbing a balloon on their head or the subtle spark caused by dragging socked feet across the carpet. Although these ...

BRUSSELS -- A senior official of China's commerce ministry on Friday called for solving China-European Union solar panel friction through dialogue to safeguard bilateral economic and trade relations. ...

I learned to respect friction, as a phenomenon with many nuances, when I was a graduate student. One day, while teaching a problem session in elementary mechanics, I unwisely invented a new problem to ...

A senior official of China's commerce ministry on Friday called for solving China-European Union (EU) solar panel friction through dialogue to safeguard bilateral economic and trade relations. "We ...

Most people have experienced the hair-raising effect of rubbing a balloon on their head or the subtle spark caused by dragging socked feet across the carpet. Although these experiences are common, a ...