Without the force called friction, cars would skid off the roadway, humans couldn't stride down the sidewalk, and objects would tumble off your kitchen counter and onto the floor. Even so, how ...

Pneumatic cylinders and actuators are much like their hydraulic and electric counterparts: Their main task is to generate enough force to move a load from one point to another. But how much force is ...

A 3D-printed material that glows when a force is applied to it could be used to better understand how objects break. Xuhui Xu at the Kunming University of Science and Technology in China and his ...

In the worldwide race to end the Covid-19 pandemic, the United States has not only struggled to keep pace with other countries but also failed to learn from their successes. To achieve its 74% ...