| - static magnetic levitation under gravity is impossible except for diamagnets or with control systems• - a configuration of magnets that focuses the field• - materials that are repelled by magnetic fields• - group of four magnets laid out so that the dipole terms cancel• Effect of a magnet on the domains | |
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| - magnetism used to levitate objects• - a mechanism for measuring the response of materials to an applied field• - magnets produced by electric current• record data on a thin magnetic coating | Magnetic domains in ferromagnetic material |
When a domain contains too many molecules, it becomes unstable and divides into two domains aligned in opposite directions so that they stick together more stably as shown at the right.
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