This kinetic sculpture is a ball bearing’s paradise. Not only do they get a cushy ride around two lift wheels but there’s a variety of enjoyable obstacles they can go down. The first is a vortex made ...

Ball bearings can be used in a variety of applications from medical and aerospace technology to packaging equipment, electronics, office technology, and even high-end yo-yos. Since these components ...

If the utility of an invention were somehow derived from the genius of its inventor, it would be pardonable that so many sources trace the idea for the ball bearing to a 1497 drawing by Leonardo da ...

Even the most mundane tools may bring forth complex truths in microgravity. On October 20, 2025, a set of small metal ball ...

In this Oct. 20, 2025, photo, tiny ball bearings surround a larger central bearing during the Fluid Particles experiment, ...

Neolithic engineers may have used ball bearings in the construction of Stonehenge, it was claimed today. The same technique that allows vehicles and machinery to run smoothly today could have been ...

Editor's note: An updated version of this information can be found here. Bearings are used to help reduce friction. Metal-upon-metal contact produces large amounts of friction. The friction adds to ...

Visionary films set in the technologically advanced future have long imagined cars that ride around on frictionless orbs similar to Star Wars’ BB-8. We aren’t there yet, as cars still use wheels and ...

The Omsktransmash tank plant in Siberia. A shortage of modern optics is throttling Russia’s ability to manufacture new T-72BM3 and T-90M tanks, and restore older T-72s, T-80s and T-90s, to make good ...

Bearings are often-overlooked components that bring life to your bicycle. You can’t steer, roll, pedal or have a functioning drivetrain without bearings. Basically, anything that moves on your bike ...