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The carbon arc light, which consists of an arc between carbon electrodes in air, invented by Humphry Davy in the first decade of the 1800s, was the first practical electric light. [1] [2] It was widely used starting in the 1870s for street and large building lighting until it was superseded by the incandescent light in the early 20th century. [1]
Acropolis of Athens illuminated at night Illuminated cherry blossoms, light from the shop windows, and Japanese lantern at night in Ise, Mie, Japan. Lighting or illumination is the deliberate use of light to achieve practical or aesthetic effects.