Learn the key physics definitions of position, displacement, velocity, and acceleration explained clearly and simply. This quick breakdown helps build a strong foundation for understanding motion in ...

Non-Cartesian actuators are improving applications where they weren't even feasible before. Full definition of their dynamics and kinematics helps designers extract maximum performance from these ...

The topic and arguments concerning mechanical vs. kinematic alignment of knee replacements can be confusing the first few times you read about it. This month I asked Stephen M. Howell, MD, to respond ...