Custody Of Magnets

Place the magnet for a long time, because small magnets inside the magnet pointing in different directions, so as to lose the properties of magnets.

Then what are the good ways to keep the magnet for a long time?

First, "a method is usually two pieces of magnet heteropolar relative placement. Heteropolar, two magnets to keep the magnet.

If the magnet is placed opposite each other would quickly lose their magnetism.

The second method is to attach a rail to the poles of the magnet material. Small magnets inside the magnet will continue to point in the same direction, so that the magnetic over a longer time.

The third method is to put the magnet on the refrigerator as cold places. Because the magnet is most afraid of the heat, once heat magnets lose their magnetic properties.