Following the Dallas Elite 11 QB Camp, I want to focus in on something Dilfer highlighted in his instruction to a young quarterback: how stance affects stride, and the need to use rotational mechanics ...

This Design Idea utilizes an optical computer mouse's sensor for measuring rotation of a disk which can be mechanically connected to any sort of rotating apparatus. One feature is to allow adjustment ...

Charlottesville, VA (Feb. 8, 2012). Boxing and mixed martial arts (MMA) carry risks of head and neck injuries. Padded gloves and headgear are designed to lessen these risks, primarily those resulting ...

Ball splines are special motion control elements that can transmit or resist torque and linear motion simultaneously. Learn how to select the right ball splines for your high-speed motion and rotation ...