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 ...

In fact, the discovery actually supports a key part of the theory about how chorus waves work. Using data from the ...

At room temperature, a pure bar of neodymium wouldn’t be a magnet at all. In fact, it would need to be chilled to below 20 K to have any magnetic properties. To get around that, rare-earth ...