""Optical Science"" is a book written by Roger Bacon, a 13th-century English philosopher and scientist. It is a treatise on optics, covering topics such as the nature of light, the properties of lenses and mirrors, and the formation of images. Bacon's work was influential in the development of modern optics and is considered a landmark in the history of science. The book is written in Latin and is divided into seven parts, each dealing with a different...