Magnets: the Dragon's Secret (1981)

Discusses the various uses of magnets in everyday life, such as in telephones, tools, and automobile engines. It explains what a magnet is, how to make one, and the materials required, including aluminum, nickel, and cobalt. The process involves heating metal, shaping it, and magnetizing it through electricity. The text also covers magnetic attraction, the concept of magnetic fields, and the behavior of magnets, including attraction and repulsion between poles. Additionally, it highlights the role of magnets in compasses and their applications in research and technology. Keywords: magnets, uses, materials, aluminum, nickel, cobalt, magnetic attraction, magnetic field, poles, attraction, repulsion, compass, research, technology, energy.