Light attracts small objects

motor magnet it will become a magnet. Component is iron, cobalt, nickel and other special atomic structure atomic magnetic moment itself, the general confusion molecular arrangement of these minerals.Drawer magnets Iron should be Chinese. Therefore, the Compass is one of the four great inventions of the Chinese people.conveyor magnets Guide to North，Light attracts small objects，Electromagnet can do electromagnetic relay，Electric motor，hook magnet Generator，Electro-acoustic，Magnetotherapy