We’ve seen plenty of motor projects, but [Jeremy]’s DIY Tubular Linear Motor is a really neat variety of stepper motor in a format we certainly don’t see every day. It started as a design experiment ...

Seeing a heavy load slide around on nearly frictionless air bearings is pretty cool; it’s a little like how the puck levitates on an air hockey table. Commercial air bearings are available, of course, ...

Said to be highly accurate, a line of two- and three-axis auto-slides are available with either linear-ball or crossed-roller bearings. The components provide a 0.375" diameter 0.1 lead screw with ...