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 ...

An international team of scientists have modelled formation and evolution of strongest magnetic fields in the Universe.

Earth's main magnetic field is generated in the planet's outer core, a layer of molten iron 2,2001,800-3,100 miles ... complex than that of a regular bar magnet, the magnetic south pole ...