how does a scrap heap magnet work?

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What are the properties of magnetically hard and soft materials????!!! HELP!?

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Why would you need to choose between using steel and iron for the core of a magnet?

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Magnetic Atoms?

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How does magnetic shielding work?

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What affects magnetic force?

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I have really strong magnets, what materials can I use to block or shield magnetic fields?

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Is it possible to rip out someones bracing with a powerful enough magnet?

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Rice cooker steamed rice how can automatically power-off, insulation, is there a time controller?

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What is the conflict between electrical and magnetic designs in a transformer?

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What is coercive force of magnetic material? What is its function? Is it larger or smaller?

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Why will dropping an iron magnet on a hard floor make it a weaker magnet?

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What is the best material for a magnet?

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Alpha particles, magnetic field.?

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What is the use of magnetic materials?

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what material goes in between two magnets to stop the attraction?

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i need help with physics!!?

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Why are iron compounds not attracted by magnets?

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All the condectors are magnetic material?

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What are the characteristics of the permeability of non ferromagnetic materials and ferromagnetic materials?

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Is there a material where magnetic fields cannot pass through?

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Inductance Generators, How Do They Work?

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is there magnetic field shielding that isnt magnetic and is highly efficient?

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atoms question?

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Are there any magnetic materials in lithium ion batteries?

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What can I put between two magnets so that their magnetic fields do not affect one another?

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Hi I would just like to know if all magnetic things are conductors of electricity?

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how to make magnetic levitation? the components? how to build?

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why isnt copper and aluminum magnetic? what is the theory behind magnetism?

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Help please with physics problem ?Anyone ?

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