Permanent magnets aren’t typically switchable. They’re always doing their magnet thing. However, if you align them with a bunch of other magnets in just the right way, you can create a permanent ...

What causes a magnet to be a magnet, and how can we control a magnet's behavior? These are the questions that researchers have been exploring over many years. What causes a magnet to be a magnet, and ...

[Chris Borge] was doing some fine tapping operations, and wanted a better way to position his workpieces. This was critical to avoid breaking taps or damaging parts. To this end, he whipped up a ...