High-accuracy linear motion in hostile environments? No problem. Linear guides find use in a variety of precision-motion applications, from machine tools to medical equipment. They come in two basic ...

Essentially, a guide wheel is a ball bearing that has a special shaped outer race. The inner and outer races of ball bearings are a framework with a groove for the balls to rest in. Burke explained ...

Hot Wheels id is a new smart car and track system from Mattel that combines toys and video games where the fun is as much in the physical play as it is on the screen. It's no easy thing to get the ...