. . . . . "Describes many of the properties of light as properties of electromagnetic waves, including reflection, refraction and diffraction."@en . . . . . . "Discussion of the many properties of light as the properties of waves, including reflection, refraction and diffraction." . . . . . . . . . . "Examines light waves, the speed of light and the effect of electricity and magnetism on light waves. Historical sequences give the opinions and findings of several eminent 17th-19th century physicists."@en . . . . . . . . . . . "Video recordings for the hearing impaired"@en . . . . . . "Discussion of the properties of light as the properties of waves, including reflection, refraction and diffraction." . "Discussion of the properties of light as the properties of waves, including reflection, refraction and diffraction."@en . . . . . . . . . . . . . . . . "Many properties of light are properties of waves, including reflection, refraction, and diffraction."@en . "Describes many of the properties of light as properties of electromagnetic waves."@en . . . . . . "Streaming multimedia"@en . "Digital video"@en . . . . . . . . "Optics" . "Optics"@en . . . . . . . . . . "Pioneer New Media Technologies." . . "United States." . . "Film Incorporated." . . . .