If you’ve ever worked on motor design, you already know the rotor is where things actually happen. And inside that rotor, the magnet choice can make or break performance. Neodymium ring magnets have become a go-...

If you’ve ever gone through magnet specifications, two shapes show up repeatedly: neodymium ring magnets and neodymium disc magnets. Though they can look alike at first sight, anyone with hands-on engineering an...