friction

Human

How Does Physical Activity Preserve Lubricated Joints?

New research shows how movement may keep synovial fluid in cartilage.
Charles Q. Choi, Contributor
Sports

New Broom Technology Sweeps Through Curling World

Reversing a typical nylon curling brush's fabric could dramatically change the sport.
Brian Owens, Contributor
Physics

Why Physicists Love Super Balls

They may be child's play, but some serious physics makes them bounce so well.
Joel Shurkin, Contributor
Subscribe to friction