“I think there probably will be some friction,” Greene said ... and I am thrilled there is finally an appetite to put my work into action. I am going to partner with the Trump administration ...

Ice causes very little friction, which is why it is easy to slip over on an icy day. However, this is a good thing for ice skating and sledging. Friction is a force between two surfaces that are ...

A good sweater is like a cozy hug made out of yarn. For that, you can thank friction. A new study reveals how knit fabrics can take on versatile shapes that allow them to conform to the contours ...

Science presenter Jon Chase explains friction. He describes how friction opposes or prevents motion, and demonstrates the force in action with an experiment involving two interleaved books.