Examines the field of optics and discusses how scientists came to understand refraction, reflection, and the behavior of light as it passes through lenses. Also examines the theory of electromagnetism and other theoretical insights that have led to revolutionary advancements in electrical engineering and telecommunications.

Educational program. Originally produced as an episode of the television series: Assigment discovery. Accompanied by booklet entitled: The use of multimedia in the classroom.

DVD features: Video index -- Curriculum units -- Standards link -- Teacher resources.