This thread originates from within 'usenet', and as such the content and users are not guaranteed to have been moderated by our community. Don Phillipson:[nq:1]I'm watching the Simpsons. Bart says Eat my shorts a lot and I know it's some kind of insult. But I'm just wondering what SHORT means in this sentence.
Materials that can be magnetized, which are also the ones that are strongly attracted to a magnet, are called ferromagnetic (or ferrimagnetic). These include iron, nickel, cobalt, some alloys of rare earth metals, and some naturally occurring minerals such as lodestone.
Hard magnets are permanent magnets that do not require electricity to retain their magnetism and are not easily demagnetized. They are magnetically charged naturally or artificially in production and maintain a magnetic field.Hard magnets are in use all around the modern home and are part of our daily lives.ard magnets are permanent magnets that do not require electricity to retain their magnetism and are not easily demagnetized. They are magnetically charged naturally or artificially in production and maintain a magnetic field.