Lasers

Lasers follows the journey from the first concept of stimulated light emission to the creation of working laser devices, explaining the science behind light amplification along the way. It recounts key experiments and the breakthroughs that turned the idea into practical tools used in medicine, communications, and entertainment. Written for middle-grade readers, the text balances straightforward explanations with historical context to make the technology accessible. Stuart A. Kallen coauthored the book.