neon bulb
31Metal-halide lamp — A metal halide gas discharge lighting system provides illumination for a college baseball game at Olsen Field in College Station, Texas, United States. Note the various colors of the lights as they warm up. Metal halide lamps, a member of the… …
32Jeopardy! set evolution — The set of the American television game show Jeopardy! has evolved through a number of iterations during its (non continuous) decades long broadcast history. As the show has matured into a fixture of American popular culture and as display… …
33Mercury-vapor lamp — Mercury Lamp redirects here. For the character in the Rozen Maiden anime and manga, see Characters of Rozen Maiden. A 175 watt mercury vapor yard light approximately 15 seconds after starting …
34Sulfur lamp — The sulfur lamp (also sulphur lamp) is a highly efficient full spectrum electrodeless lighting system whose light is generated by sulfur plasma that has been excited by microwave radiation. The technology was developed in the early 1990s, but,… …
35Tanning lamp — Tanning lamps (sometimes called tanning bulbs in the United States or tanning tubes in Europe) are the part of a tanning bed, booth or other tanning device which produces ultraviolet light responsible for tanning. While there are literally… …
36Light fixture — This article is about architectural light fixtures. For stage lighting, see Stage lighting instrument. Many various light fixtures A light fixture, light fitting, or luminaire is an electrical device used to create artificial light and/or… …
37Mercury (element) — gold ← mercury → thallium Cd ↑ Hg ↓ Cn …
38Luminous efficacy — is a measure of how well a light source produces visible light. It is the ratio of luminous flux to power. Depending on context, the power can be either the radiant flux of the source s output, or it can be the total electric power consumed by… …
39Piccadilly Circus — is a famous road junction and public space of London s West End in the City of Westminster,built in 1819 to connect Regent Street with the major shopping street of Piccadilly. In this context a circus , from the Latin word meaning a circle, is a… …
40Deuterium arc lamp — A deuterium arc lamp (or simply deuterium lamp) is a low pressure gas discharge light source often used in spectroscopy when a continuous spectrum in the ultraviolet region is needed. Contents 1 Principle of operation 2 Deuterium lamp spectra 3… …
