"Metal Detection" offers a comprehensive exploration of how metal detectors work and their diverse applications in modern society, from airport security to archaeological discoveries. The book masterfully bridges theoretical concepts with practical applications, beginning with fundamental electromagnetic principles and progressing through three primary detection methods: Very Low Frequency (VLF), Pulse Induction (PI), and Beat-Frequency Oscillation (BFO).

Through accessible explanations and real-world examples, readers learn how these devices distinguish between different metals, depths, and sizes across various environments. The text weaves together fascinating historical context, including Alexander Graham Bell's pioneering work in metal detection, with cutting-edge developments in quantum sensing and artificial intelligence-enhanced systems.

Technical concepts are made approachable through practical tutorials, detailed diagrams, and hands-on experiments that readers can perform. Special attention is given to environmental factors affecting detector performance, such as mineralization and electromagnetic interference, providing crucial insights for both professionals and hobbyists.

The book systematically covers applications across multiple industries, from manufacturing quality control to treasure hunting, while maintaining a balanced approach between technical depth and practical utility. Each chapter builds upon previous knowledge, culminating in advanced topics like superconducting quantum interference devices (SQUIDs) and machine learning applications. This progression, combined with thorough coverage of safety considerations and environmental impact, makes it an invaluable resource for everyone from electronics enthusiasts to security professionals.