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 ...

Any organism with a brain needs to make decisions about how it's going to navigate through three-dimensional spaces. That's why animals have evolved sensory organs in the ears to detect if they're ...

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 ...