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All About Circuits: Magnetism and Electromagnetism: Permanent Magnets
A good explanation of what the property of magnetism is and how it occurs naturally in lodestone and can be generated in metals such as steel. It describes how a ferromagnetic material such as iron becomes magnetized when near a...
Integrated Publishing
Integrated Publishing: Theories of Magnetism
This site from Integrated Publishing provides three different examples of theories of magnetism.