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 ...

Scientists developed a new model, which shows that rubbing two objects together produces static electricity, or triboelectricity, by bending the tiny protrusions on the surface of materials. Most ...

Researchers use single sheets and pairs of sheets of graphene to understand sources of friction.<BR><BR><a href='http://arstechnica.com/science/2009/03/resistance-is ...