An iron needle is the simplest object which can be converted into a magnet. The atoms in this needle is arranged to form small domains which are small magnets. Before the needle becomes a magnet, the domains in its structures are chaotically arranged and point in all directions. When this needle is subjected to a strong magnetic field the domains swing and point in the direction of the magnetic field. When all or most of the domains get aligned in similar way, the 'ordinary needle' becomes a 'magnetic needle'. Chaos is seldom productive. It needs to be cleared and arranged/aligned. This is done at various points of our lives. Our parents teach us how to keep ourselves clean and tidy, how to keep our room and work place tidy. Teachers instruct us during lectures so that anything which is half understood or not understood gets in the head clearly, the way it should be. There are so many 'special magnets' around us which help us in aligning our thoughts and chanel...