More advanced than they are magnetic steel: magnetic steel is real steel, the composition of which has a higher content of nickel than iron. It is generally smelted in an intermediate frequency electr...
There are too many classifications of magnets. Here is a brief explanation: There are two main types of magnetic materials: the first is permanent magnet material (also called hard magnetic): the mate...
First, the history of magnetized water Magnetic force is one of the four basic forces in nature. The compass of one of the four great inventions in ancient China is an example of the clever applicatio...