The electromagnetic force is one of the primary forces of nature. From the early discoveries of natural lodestones to the use of superconducting materials in modern medical devices such as MRIs, people have been fascinated by magnets and their unique properties. Electromagnetism, and How It Works examines the technological evolution of electromagnetism from its humble beginnings as a series of discoveries to a fundamental force that powers our modern world. This accessible, full-color book will help students understand how this force is connected to almost everything we see and do.

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Excerpted from Electromagnetism, and How It Works by Stephen M. Tomecek
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