Welcome to the Northern Gateway of the Illuminating Engineering Society
The Illuminating Engineering Society of North America (IES) is the recognised technical authority on illumination. For over 100 years, its objective has been to communicate information on all aspects of good lighting practice to its members, to the lighting community, and to consumers, through a variety of programs, publications, and services.
Dive into spectroscopy to see how light can give us important information about the composition of an object
The IES Street & Area Lighting Conference is the only conference of its kind dedicated to improving the outdoor lighting business of electric utilities and energy service companies.