With a bit of programming and some high-tech science, 3-D printers can use a wide variety of materials such as plastic or wood to create an infinite amount of different creations. This book explores the science behind this incredible technology, including the history of 3-D printing and what scientists hope to achieve with these unique tools. Whether used for art, medicine, or just to make something cool at home, 3-D printing is poised to have a remarkable impact on our lives, and this book chronicles the technology's journey from concept to reality.