He ended up building his own magnetic rotary ... needs a bit better. The magnet which the chip measures is mounted in a sleeve milled to seat inside of a bearing ring. The 3D printing method ...

This means that their magnetism is there all the time and cannot be turned on or off as it can with an electromagnet. Converting a magnet to a non-magnet is called demagnetisation. Magnets are ...

The world’s first superconducting planar coil magnet array successfully created and controlled stellarator-relevant magnetic field structuresThe ...