Here’s what you’ll learn when you read this story: The introduction of toothed gears in antiquity unlocked a whole world of technology, but a new study suggests that there’s room for improvement on ...

Design engineers face continuous pressure to enhance product performance while driving down costs. For many devices, converting metal components to plastic is an effective way of achieving both goals.

The introduction of toothed gears in antiquity unlocked a whole world of technology, but a new study suggests that there’s room for improvement on this 3,000-year-old innovation. Using a ...