Researchers have uncovered friction without contact—driven entirely by magnetic interactions. As two magnetic layers slide, ...

As the biggest name in U.S. e-commerce, Amazon tends to set the curve for customer expectations. The company first introduced buyers to one-click purchasing in 1999. At the time the concept was seen ...

Perhaps few physical concepts have received less attention relative to their importance than friction. Learning the 'effective' notions of static and sliding friction, students of mechanics can easily ...

IN 2009, World Aquatics banned a specific type of swimsuit from all international competitions in water sports, ruling that it gave athletes an unfair advantage. The development of this swimsuit ...