Discover how to build a DIY magnetic propulsion device in this step-by-step tutorial. Watch as we assemble a homemade ...

I am building a drone that flies autonomously inside sewer pipes where GPS cannot reach.Last time, I investigated the actual ...

Magnets, those everyday objects we stick to our fridges, all share a unique characteristic: they always have both a north and a south pole. Even if you tried breaking a magnet in half, the poles would ...

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 ...

You’ve probably heard the term magnetic gradient before, but have you ever seen one? Now you can in [supermagnetman’s] video, below. The key is to use very fine (2 micron) iron filings and special ...