News tagged with friction

Liquid crystal as lubricant

Thanks to a new lubricant, small gears can run with virtually no friction. Made from liquid crystalline fluid, these lubricants drastically reduce friction and wear.

May 21, 2014 5 / 5 (3) 0

Why cement tends to thicken

Researchers at the ETH Zurich have unraveled the microscopic mechanism behind shear thickening: the increase in viscosity with speed observed for dense particle suspensions under flow. The study has a direct ...

Oct 01, 2013 4 / 5 (4) 5 | with audio podcast