A magnetic field is invisible, but it can be detected using a magnetic compass. A compass contains a small bar magnet on a pivot so that it can rotate. The compass needle points in the direction ...

As the digital world demands greater data storage and faster access times, magnetic memory technologies have emerged as a ...

Note that magnetic fields drop off rapidly with distance from a source. This application note says that based on the magnitude of commonly encountered external magnetic fields, the magnetic ...

That’s the same way scientists suppose the Earth got its magnetic field. But, she added, “it is important to note that none of these theories are mutually exclusive.” Of course, the ...