Unstoppable force, meet immovable object. In a rather epic showdown between two very serious contenders, the hydraulic press finally met its match. The identity of this mighty foe? A neodymium magnet.

The strongest permanent magnets today contain a mix of the elements neodymium and iron. However, neodymium on its own does not behave like any known magnet, confounding researchers for more than a ...

Lenz’s Law is one of those physics tricks that look like magic if you don’t understand what’s happening. [Seth Robinson] was inspired by the way eddy currents cause a cylindrical neodymium magnet to ...