In this video, watch the incredible transformation as we forge unique Damascus steel knives using ball bearings and ...

and the ball rolls back to its starting place in another five seconds. The original designs for this type of escapement use a weight and string similar to a traditional escapement in a normal clock.

[RimstarOrg] has brought us an oldie but goodie this week. He’s built a ball bearing motor, a design which has been causing engineers and scientists to squabble for decades. [RimstarOrg] used a ...

Others use recirculating ball systems in which ball bearings are mounted on a “worm”-type steering gear. Though steering gears often last for the life of a vehicle, the gearbox can develop ...