This case study summarizes the accidental Discovery of X-Rays at the end of the 19th century and shares early reactions to the new, unexpected technology. In this lesson, students explore what x-rays are and how they were discovered. They also learn about various uses for x-rays and explore what considerations are important when creating a clear x-ray image. Finally, students design a new application for x-ray technology. A materials list, teacher notes, teacher background information, safety notes, standards, assessment, resources, and references are provided. This book selection also includes the Table of Contents, About the Authors, Acknowledgments, Introduction, Appendix, Image Credits, and Index.