Installing bright 2-foot by 4-foot, three-lamp, T12 fluorescent fixtures 8 feet apart in dropped tiled ceilings was the common method of office lighting design in the 20th century. Lighting designers ...

The first artificial source of light was nothing more than a burning stick -- about a million years ago. About 5,000 years ago, a wick and some oil in a clay jar became the first lamp and replaced the ...

The key is knowing the lighting categories and how to mix them to create different moods. Task lighting is one such category. Its purpose is to illuminate activities such as cooking, reading and ...