What holds a vehicle’s suspension together and guides the tire wheels while driving? Ball joints are a component of the front suspension system of a vehicle These joints comprise of a ball and socket, ...

Ball and socket joints are useful, but making a part slide over the surface of a sphere, held by magnets, requires a lot of fiddling to get right. We admire persistence and nailing all the details.

People battling debilitating arthritis in the shoulder are finding relief thanks to a revolutionary 'backward' ball and socket joint replacement. Traditional shoulder replacements use a ball-shaped ...