Linear motors are becoming increasingly practical for general motion. Many are used for long strokes of a few feet or more. One new design, however, where the magnets move relative to a stationary ...

How to Make a Magnet Motor Generator Light Bulbs ...

By removing rare earths from the equation, these designs promise cleaner supply chains and more sustainable production.

Any enthusiast will be able to tell you the seat-of-the-pants characteristics of their favorite engine. The torque-peakiness of an Eighties turbo car, the endless rev-hungry climb of a naturally ...