light efficiency
51First light (astronomy) — First light, in cosmology, refers to the first light emission, billions of years ago, moments after the big bang. [cite web | url=http://www.astro.caltech.edu/ rse/firstlight/ | title= Searching for first light in the Early Universe |… …
52Energy Efficiency — Programs that reduce consumption. *** A ratio of service provided to energy input (e.g., lumens to watts in the case of light bulbs). Services provided can include buildings sector end uses such as lighting, refrigeration, and heating:… …
53Tesla Electric Light & Manufacturing — The Tesla Electric Light Manufacturing was a company formed by Nikola Tesla in 1886. Located in Rahway, New Jersey, the company was formed after Tesla left Thomas Edison s employment, after a contractual disagreement. Tesla planned to sell and… …
54Shift light — A shift light sometimes known as an idiot light by American driving instructors. Is a warning lamp fitted to vehicles in order to indicate to the driver that maximum RPM has almost been reached. Ideally a shift lamp will illuminate at the engine… …
55Bulb to light all Ramat Gan — The bulb to light all Ramat Gan (Hebrew: נורה שתאיר את כל רמת גן, Nura she tair et kol Ramat Gan ) was a political misstep in Israel of the 1980s. It took this humorous form within the collective memory of the Israeli public.On June 28, 1981, the …
56Combustion light gas gun — technology is one of the areas being explored in an attempt to achieve higher velocities from artillery to gain greater range. Conventional guns use solid propellants, usually nitrocellulose based compounds to develop the chamber pressures needed …
57Angle Light — was a thoroughbred racehorse owned by Penny Tweedy and a stablemate of Kentucky Derby winner Secretariat. Angle Light remains best known for winning the 1973 Wood Memorial Stakes race at Aqueduct Racetrack. Secretariat, the reigning two year old… …
58List of Fullmetal Alchemist light novels — This is a list of the light novel adaptations for the manga Fullmetal Alchemist by Hiromu Arakawa. Fullmetal Alchemist began serialization in Square Enix s monthly manga anthology Monthly Shonen Gangan in July 2001 and is still ongoing. Square… …
59luminous efficiency — relation between the amount of beneficial light emitted and the amount of wasted light …
60luminous efficiency — /lumənəs əˈfɪʃənsi/ (say loohmuhnuhs uh fishuhnsee) noun 1. (of a source) the ratio of the light emitted to the energy input, especially when expressed as lumens per watt for electric lamps. 2. (of a radiation) the ratio of the luminous flux to… …
