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 ...

Meanwhile, the magnetic poles are defined as the points where the Earth's magnetic field meets the surface, and are the same ...

A scientist simulated the contents of the ice giant worlds, and found that a fluid layer may explain each planet’s strange ...