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 ...

Parts of devices that are perfectly smooth can still experience friction because of the electrons within them, but a new method may enable researchers to turn it down or fully turn it off. Controlling ...

The relationship between friction and load, quantified three centuries ago, has an exception when the interaction causes magnetic realignment. The discovery won’t let you off the hook when dragging ...