Eyewitness Science Light

Part of the "Eyewitness Science" series, this book is a guide to the principles of light - where it comes from and how its properties were investigated by scientists over the centuries - that reveals how, today, its principles are at work in a myriad of optical and visual appliances, from television to laser. The book demonstrates the original experiments, and explains the principles behind the major scientific inventions and concepts. Specially-commissioned photographs and text written by experts in their own fields make the most intriguing theories accessible. It captures the spirit of earlier ages by showing the original equipment and instruments used in scientific experiments. "Eyewitness Science" is a series of visual guides that opens up the world of science, and explains the principles affecting people's daily lives. All the fields of science are encompassed - from relativity to genetics - to build up into an encyclopaedic series. The reader is invited to step into the shoes of the scientists and relive the thrill of scientific breakthrough.