A simple machine is a tool that helps us do work. They use clever shapes to help us move, lift, cut and other types of work. Learn more about the inclined plane, the pulley, the lever, the wheel and ...

An age-old engineering problem: how do you precisely measure the forces that act between two components inside a machine or, for example, on the sail of a boat without drilling holes or sticking on a ...

Lesson that teaches children what screws are and what they do. Gain a deeper understanding of what screws are by making your own in this interactive lesson. Usage conditions apply ...

Ball screw drive systems are pivotal in modern machine tools, providing the precise conversion of rotary motion into linear movement. Their high stiffness and efficiency render them essential in ...

Here’s a little engineering quiz for you: If an app needs to move a 500 kN axial load along a 1,500 mm stroke, is it best to use a roller screw or ball screw? If you instinctively said roller screw, ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. Charles Vander Woerd, a ...