Lighting. Medical search

The illumination of an environment and the arrangement of lights to achieve an effect or optimal visibility. Its application is in domestic or in public settings and in medical and non-medical environments.

That portion of the electromagnetic spectrum in the visible, ultraviolet, and infrared range.

Term generally used to describe complaints related to refractive error, ocular muscle imbalance, including pain or aching around the eyes, burning and itchiness of the eyelids, ocular fatigue, and headaches.

The regular recurrence, in cycles of about 24 hours, of biological processes or activities, such as sensitivity to drugs and stimuli, hormone secretion, sleeping, and feeding.

The absence of light.

Input/output devices designed to receive data in an environment associated with the job to be performed, and capable of transmitting entries to, and obtaining output from, the system of which it is a part. (Computer Dictionary, 4th ed.)

Disruptions of the rhythmic cycle of bodily functions or activities.

A state in which the environs of hospitals, laboratories, domestic and animal housing, work places, spacecraft, and other surroundings are under technological control with regard to air conditioning, heating, lighting, humidity, ventilation, and other ambient features. The concept includes control of atmospheric composition. (From Jane's Aerospace Dictionary, 3d ed)

The time period of daily exposure that an organism receives from daylight or artificial light. It is believed that photoperiodic responses may affect the control of energy balance and thermoregulation.

A thin-walled distention of the alimentary tract protruding just outside the body cavity in the distal end of the neck (esophagus), used for the temporary storage of food and water.

The condition of where images are correctly brought to a focus on the retina.

A biogenic amine that is found in animals and plants. In mammals, melatonin is produced by the PINEAL GLAND. Its secretion increases in darkness and decreases during exposure to light. Melatonin is implicated in the regulation of SLEEP, mood, and REPRODUCTION. Melatonin is also an effective antioxidant.

Contamination of the air, bodies of water, or land with substances that are harmful to human health and the environment.

A light-sensitive neuroendocrine organ attached to the roof of the THIRD VENTRICLE of the brain. The pineal gland secretes MELATONIN, other BIOGENIC AMINES and NEUROPEPTIDES.

The visual display of data in a man-machine system. An example is when data is called from the computer and transmitted to a CATHODE RAY TUBE DISPLAY or LIQUID CRYSTAL display.

Biological systems as affected by time. Aging, biological rhythms, and cyclic phenomena are included. Statistical, computer-aided mathematical procedures are used to describe, in mathematical terminology, various biological functions over time.

Specialized cells that detect and transduce light. They are classified into two types based on their light reception structure, the ciliary photoreceptors and the rhabdomeric photoreceptors with MICROVILLI. Ciliary photoreceptor cells use OPSINS that activate a PHOSPHODIESTERASE phosphodiesterase cascade. Rhabdomeric photoreceptor cells use opsins that activate a PHOSPHOLIPASE C cascade.

Any type of variation in the appearance of energy output of the sun. (NASA Thesaurus, 1994)

Creating a representation of areas of the earth or other celestial bodies, for the purpose of visualizing spatial distributions of various information.

The visually perceived property of objects created by absorption or reflection of specific wavelengths of light.

The distance between the anterior and posterior poles of the eye, measured either by ULTRASONOGRAPHY or by partial coherence interferometry.

Planned management, use, and preservation of energy resources.

The aperture in the iris through which light passes.

The tendency of a phenomenon to recur at regular intervals; in biological systems, the recurrence of certain activities (including hormonal, cellular, neural) may be annual, seasonal, monthly, daily, or more frequently (ultradian).

Method of making images on a sensitized surface by exposure to light or other radiant energy.

The process whereby a society changes from a rural to an urban way of life. It refers also to the gradual increase in the proportion of people living in urban areas.

Adjustment of the eyes under conditions of low light. The sensitivity of the eye to light is increased during dark adaptation.

The structuring of the environment to permit or promote specific patterns of behavior.

The sensory discrimination of a pattern shape or outline.

Physical activity of the FETUS in utero. Gross or fine fetal body movement can be monitored by the mother, PALPATION, or ULTRASONOGRAPHY.

Refraction of LIGHT effected by the media of the EYE.

A refractive error in which rays of light entering the eye parallel to the optic axis are brought to a focus behind the retina, as a result of the eyeball being too short from front to back. It is also called farsightedness because the near point is more distant than it is in emmetropia with an equal amplitude of accommodation. (Dorland, 27th ed)

Pieces of glass or other transparent materials used for magnification or increased visual acuity.

Treatment of disease by exposure to light, especially by variously concentrated light rays or specific wavelengths.

The organ of sight constituting a pair of globular organs made up of a three-layered roughly spherical structure specialized for receiving and responding to light.

Processes and properties of the EYE as a whole or of any of its parts.

A refractive error in which rays of light entering the EYE parallel to the optic axis are brought to a focus in front of the RETINA when accommodation (ACCOMMODATION, OCULAR) is relaxed. This results from an overly curved CORNEA or from the eyeball being too long from front to back. It is also called nearsightedness.

Perception of three-dimensionality.

Achievement of full sexual capacity in animals and in humans.

Biological mechanism that controls CIRCADIAN RHYTHM. Circadian clocks exist in the simplest form in cyanobacteria and as more complex systems in fungi, plants, and animals. In humans the system includes photoresponsive RETINAL GANGLION CELLS and the SUPRACHIASMATIC NUCLEUS that acts as the central oscillator.

The ten-layered nervous tissue membrane of the eye. It is continuous with the OPTIC NERVE and receives images of external objects and transmits visual impulses to the brain. Its outer surface is in contact with the CHOROID and the inner surface with the VITREOUS BODY. The outer-most layer is pigmented, whereas the inner nine layers are transparent.

Investigative technique commonly used during ELECTROENCEPHALOGRAPHY in which a series of bright light flashes or visual patterns are used to elicit brain activity.

The adjustment of the eye to variations in the intensity of light. Light adaptation is the adjustment of the eye when the light threshold is increased; DARK ADAPTATION when the light is greatly reduced. (From Cline et al., Dictionary of Visual Science, 4th ed)

The planning of the furnishings and decorations of an architectural interior.

An objective determination of the refractive state of the eye (NEARSIGHTEDNESS; FARSIGHTEDNESS; ASTIGMATISM). By using a RETINOSCOPE, the amount of correction and the power of lens needed can be determined.

That portion of the electromagnetic spectrum usually sensed as heat. Infrared wavelengths are longer than those of visible light, extending into the microwave frequencies. They are used therapeutically as heat, and also to warm food in restaurants.

The physiological mechanisms that govern the rhythmic occurrence of certain biochemical, physiological, and behavioral phenomena.

A lactogenic hormone secreted by the adenohypophysis (PITUITARY GLAND, ANTERIOR). It is a polypeptide of approximately 23 kD. Besides its major action on lactation, in some species prolactin exerts effects on reproduction, maternal behavior, fat metabolism, immunomodulation and osmoregulation. Prolactin receptors are present in the mammary gland, hypothalamus, liver, ovary, testis, and prostate.

Photosensitive proteins in the membranes of PHOTORECEPTOR CELLS such as the rods and the cones. Opsins have varied light absorption properties and are members of the G-PROTEIN-COUPLED RECEPTORS family. Their ligands are VITAMIN A-based chromophores.

The absence or restriction of the usual external sensory stimuli to which the individual responds.

Mental processing of chromatic signals (COLOR VISION) from the eye by the VISUAL CORTEX where they are converted into symbolic representations. Color perception involves numerous neurons, and is influenced not only by the distribution of wavelengths from the viewed object, but also by its background color and brightness contrast at its boundary.

An ovoid densely packed collection of small cells of the anterior hypothalamus lying close to the midline in a shallow impression of the OPTIC CHIASM.

A large or important municipality of a country, usually a major metropolitan center.

The storing or preserving of video signals for television to be played back later via a transmitter or receiver. Recordings may be made on magnetic tape or discs (VIDEODISC RECORDING).

Photosensitive proteins expressed in the ROD PHOTORECEPTOR CELLS. They are the protein components of rod photoreceptor pigments such as RHODOPSIN.

Behavioral responses or sequences associated with eating including modes of feeding, rhythmic patterns of eating, and time intervals.

The selecting and organizing of visual stimuli based on the individual's past experience.

The observable response an animal makes to any situation.

The portion of a retinal rod cell situated between the ROD INNER SEGMENT and the RETINAL PIGMENT EPITHELIUM. It contains a stack of photosensitive disk membranes laden with RHODOPSIN.

The science of breeding, feeding and care of domestic animals; includes housing and nutrition.

Sexual activities of animals.

The ability to detect sharp boundaries (stimuli) and to detect slight changes in luminance at regions without distinct contours. Psychophysical measurements of this visual function are used to evaluate visual acuity and to detect eye disease.

Signals for an action; that specific portion of a perceptual field or pattern of stimuli to which a subject has learned to respond.

A major gonadotropin secreted by the adenohypophysis (PITUITARY GLAND, ANTERIOR). Luteinizing hormone regulates steroid production by the interstitial cells of the TESTIS and the OVARY. The preovulatory LUTEINIZING HORMONE surge in females induces OVULATION, and subsequent LUTEINIZATION of the follicle. LUTEINIZING HORMONE consists of two noncovalently linked subunits, alpha and beta. Within a species, the alpha subunit is common in the three pituitary glycoprotein hormones (TSH, LH and FSH), but the beta subunit is unique and confers its biological specificity.

The physical activity of a human or an animal as a behavioral phenomenon.

Divisions of the year according to some regularly recurrent phenomena usually astronomical or climatic. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 6th ed)

Place or physical location of work or employment.

A potent androgenic steroid and major product secreted by the LEYDIG CELLS of the TESTIS. Its production is stimulated by LUTEINIZING HORMONE from the PITUITARY GLAND. In turn, testosterone exerts feedback control of the pituitary LH and FSH secretion. Depending on the tissues, testosterone can be further converted to DIHYDROTESTOSTERONE or ESTRADIOL.

The biological clock of very premature primate infants is responsive to light. (1/1103)

Each year more than 250,000 infants in the United States are exposed to artificial lighting in hospital nurseries with little consideration given to environmental lighting cycles. Essential in determining whether environmental lighting cycles need to be considered in hospital nurseries is identifying when the infant's endogenous circadian clock becomes responsive to light. Using a non-human primate model of the developing human, we examined when the circadian clock, located in the hypothalamic suprachiasmatic nuclei (SCN), becomes responsive to light. Preterm infant baboons of different ages were exposed to light (5,000 lux) at night, and then changes in SCN metabolic activity and gene expression were assessed. After exposure to bright light at night, robust increases in SCN metabolic activity and gene expression were seen at ages that were equivalent to human infants at 24 weeks after conception. These data provide direct evidence that the biological clock of very premature primate infants is responsive to light. (+info)

Temporal analysis of the chromatic flash VEP--separate colour and luminance contrast components. (2/1103)

Temporal analysis of the chromatic flash visual evoked potential (VEP) was studied in human subjects with normal and anomalous colour vision using a deterministic pseudo-random binary stimulus (VERIS). Five experiments were carried out on four normal subjects investigating heterochromatic red-green exchange and single colour/achromatic (either red/grey or green/grey) exchange over a wide range of luminance ratios for the two stimuli, the effects of lowered mean luminance on the chromatic VEP and the effects of colour desaturation at constant mean luminance and constant luminance contrast. Finally, the performance of three dichromats, a protanope and two deuteranopes, on heterochromatic exchange VEP and on colour desaturation were investigated. In contrast to the chromatic electroretinogram, which shows great symmetry with respect to luminance ratio on opposite sides of the isoluminant point, the chromatic VEP demonstrated a distinct asymmetry when the colours exchanged included red. On the red side of isoluminance (red more luminant than green), a wave with longer latency and altered waveform became dominant. The effects of green stimulation were indistinguishable from those of achromatic stimulation at the same luminance contrast over the whole range of chromatic contrast and for all levels of desaturation studied. Desaturation of red with constant luminance contrast (desaturated red/grey stimulation) resulted in a systematic alteration in the evoked waveform. Subtraction of the achromatic first- and second-order responses from responses recorded in the red desaturation series resulted in remarkably uniform waveforms, with peak amplitudes growing linearly with saturation. The absence of interaction between achromatic and coloured components for all (including the most intense colour) stimulus parameters used suggests that the generators of these components are separate. Recordings from the dichromats showed that the contrast response minimum shifted from the point of photopic isoluminance to the point of zero cone contrast (at the silent substitution point) for the remaining cone type. The waveforms recorded with a series of luminance ratios were much simpler than those recorded from trichromats and symmetrical with respect to their isoluminant points. Despite the indication of the presence of L cones of apparently normal spectral sensitivity in the deuteranopes (on the basis of flicker photometry), there was no evidence for a red-sensitive component in the desaturation or heterochromatic stimulation series. The results are discussed in terms of the possibility of separate generation of chromatic and achromatic contributions to the VEP. (+info)

Light-dependent translocation of a phytochrome B-GFP fusion protein to the nucleus in transgenic Arabidopsis. (3/1103)

Phytochrome is a ubiquitous photoreceptor of plants and is encoded by a small multigene family. We have shown recently that a functional nuclear localization signal may reside within the COOH-terminal region of a major member of the family, phytochrome B (phyB) (Sakamoto, K., and A. Nagatani. 1996. Plant J. 10:859-868). In the present study, a fusion protein consisting of full-length phyB and the green fluorescent protein (GFP) was overexpressed in the phyB mutant of Arabidopsis to examine subcellular localization of phyB in intact tissues. The resulting transgenic lines exhibited pleiotropic phenotypes reported previously for phyB overexpressing plants, suggesting that the fusion protein is biologically active. Immunoblot analysis with anti-phyB and anti-GFP monoclonal antibodies confirmed that the fusion protein accumulated to high levels in these lines. Fluorescence microscopy of the seedlings revealed that the phyB-GFP fusion protein was localized to the nucleus in light grown tissues. Interestingly, the fusion protein formed speckles in the nucleus. Analysis of confocal optical sections confirmed that the speckles were distributed within the nucleus. In contrast, phyB-GFP fluorescence was observed throughout the cell in dark-grown seedlings. Therefore, phyB translocates to specific sites within the nucleus upon photoreceptor activation. (+info)

Behavioral and neurochemical alterations evoked by p-Chlorophenylalanine application in rats examined in the light-dark crossing test. (4/1103)

The aim of the present study is to examine the effects of serotonin synthesis inhibition with p-Chlorophenylalanine (p-CPA) in rats on (1) anxiety behavior examined in the light-dark crossing test and, (2) regional brain concentration of monoamines (NA, DA and 5-HT) and their metabolites (MHPG, DOPAC, HVA and 5-HIAA) as well as GABA in the hypothalamus, amygdala, hippocampus, midbrain central gray matter and the frontal cortex. Treatment of animals with p-CPA produced a significant increase in time out from the illuminated part of the chamber and in time of locomotor activity in the illuminated part of the chamber. HPLC analysis showed a significant reduction of 5-HT and 5-HIAA concentration in all examined brain regions with the exception of the frontal cortex. Additionally, a significant decrease in DA and its metabolites, DOPAC and HVA occurred in the hypothalamus and amygdala. Moreover, we observed a significant decrease in frontal cortex NA concentration after p-CPA administration. The results of our study suggest that administration of p-CPA is effective in reduction of anxiety through depletion of 5-HT accompanied by diminution of catecholamines, especially DA and its metabolites in the main emotional brain regions. (+info)

Light-induced uncoupling of multioscillatory circadian system in a diurnal rodent, Asian chipmunk. (5/1103)

Responses of the circadian locomotor rhythm to a single light pulse were examined in a diurnal rodent, Asian chipmunk, by exposing it to a 1-h light pulse of 2,000 lx under constant conditions. A light pulse given at the beginning and end of the subjective night produced a phase delay and advance shifts, respectively. When pulsed around the midpoint of the subjective night, the circadian rhythm was shifted as much as 12 h in most animals or became arrhythmic in some. In the latter case, an additional light pulse restored the circadian rhythm. Some animals were unresponsive to light. The phase response curve is categorized as type 0. A large phase-shift was sometimes followed by splitting of an activity band into two components. These results are best explained by an assumption that the chipmunk circadian system is composed of two mutually coupled major oscillators, each of which is constituted by multiple oscillators. Our results suggest that light affects the oscillatory coupling not only of the major oscillators but also of constitutional oscillators. (+info)

Testing optimum viewing conditions for mammographic image displays. (6/1103)

The viewbox luminance and viewing room light level are important parameters in a medical film display, but these parameters have not had much attention. Spatial variations and too much room illumination can mask real signal or create the false perception of a signal. This presentation looks at how scotopic light sources and dark-adapted radiologists may identify more real diseases. (+info)

Effects of a benzodiazepine, lorazepam, on motion integration and segmentation: an effect on the processing of line-ends? (7/1103)

Previous studies have shown that the perceptual integration of component motions distributed across space is inhibited whenever segmentation cues, such as line-ends, are salient. Herein, we investigate to what extent enhanced inhibition induced by lorazepam, a benzodiazepine facilitating the fixation of GABA on GABAA receptors, modifies the balance between motion integration and motion segmentation at the behavioural level. Motion integration was tested in 16 healthy volunteers taking a single and oral dose of either placebo or lorazepam (0.038 mg kg-1). The stimulus consisted of an outlined diamond presented behind four, otherwise invisible, apertures and translating along a circular trajectory (Lorenceau & Shiffrar (1992). Vision Research, 32, 263-273). Under these conditions, recovering the global diamond direction requires the integration of the component motions available within each aperture. The observers were asked to discriminate the global, clockwise or counter-clockwise, diamond direction under difficult--at high luminance contrasts--or easy--at low luminance contrasts--conditions. Overall, reaction times and error rates increased in the lorazepam group as compared to the placebo group, suggesting strong non-specific effects. However, the changes in performance in the lorazepam group are not homogeneous across conditions, suggesting that lorazepam also induces specific effects that modulate the integration/segmentation balance. Additional experiments performed with visible apertures or visible diamond vertices indicate that the effects of lorazepam are unlikely to reflect a deficit of motion processing or motion integration mechanisms since performance is only slightly impaired in the lorazepam as compared to the placebo group under these conditions. These results suggest that lorazepam might specifically modulate the saliency of line-ends, presumably because processing these features involves inhibitory mechanisms using GABA as a neuromediator, and in turn modify the balance between motion integration and segmentation. (+info)

Spatial masking does not reveal mechanisms selective to combined luminance and red-green color. (8/1103)

Detection thresholds plotted in the L and M cone-contrast plane have shown that there are two primary detection mechanisms, a red-green hue mechanism and a light-dark luminance mechanism. However, previous masking results suggest there may be additional mechanisms, responsive to combined features like bright and red or dark and green. We measured detection thresholds for a 1.2 c deg-1 sine-wave grating in the presence of a spatially matched mask grating which was either stationary, dynamically jittered or flickered. The stimuli could be set to any direction in the L,M plane. The appearance of selectivity for combined hue and luminance arose only in conditions where adding the test to the mask modified the spatial phase offset between the luminance and red-green stimulus components. Sensitivity was very high for detecting this spatial phase offset. When this extra cue was eliminated, masking contours in the L,M plane could be largely described by the classical red-green and luminance mechanisms. (+info)

In the context of lighting design, the back light is sometimes called hair or shoulder light, because when lighting an actor or ... In lighting design, backlighting is the process of illuminating the subject from the back. In other words, the lighting ... Live theatre lighting designs often use backlighting to give a more three-dimensional appearance to actors or set elements, ... When artificial, the back light is usually placed directly behind the subject in a 4-point lighting setup. A back light, which ...

https://en.wikipedia.org/wiki/Backlighting_

... vector in the lighting pattern using a process also referred to as "subtractive lighting". ... Negative fill / subtractive lighting[edit]. In cases where the fill light is desired to be darker than what is available ... In television, film, stage, or photographic lighting, a fill light (often simply fill) may be used to reduce the contrast of a ... A typical three-point lighting setup with a shoulder or back-side lamp to create contrast between the background and center ...

https://en.wikipedia.org/wiki/Fill_light

Lighting[edit]. *Grow lights often use a combination of red and blue wavelengths, which generally appear pink to the human eye. ...

https://en.wikipedia.org/wiki/Pink

Light pollution and nuisance lighting[edit]. In some countries where light pollution is a concern, tower heights may be ...

https://en.wikipedia.org/wiki/Antenna_tower

Lighting of the cauldron, another unofficial recording on YouTube. *^ "ETA puso una bomba en el Palau Sant Jordi en los Juegos ... Olympic Flame Lighting Ceremony for Rio 2016 on YouTube. *Official site of the Olympic Movement - Images and information on ... The Olympic torch relay in the host country ends with the lighting of the Olympic cauldron during the opening ceremony in the ... The torch used for the final entry to the stadium and the lighting of the cauldron was of a different design, also a feature ...

https://en.wikipedia.org/wiki/Olympic_flame

Lighting and room[edit]. The artificial light from the lamp on the table and the natural rising sunlight beginning to shine ... and lighting.[10] Particular attention was paid to ensuring the room had a poor, Victorian, multi-purpose appearance.[9] ...

https://en.wikipedia.org/wiki/The_Doctor_

Outdoor LED lighting[edit]. By about 2010 LED technology came to dominate the outdoor lighting industry; earlier LEDs were not ... Color changing LED lighting[edit]. Tunable lighting systems employ banks of colored LEDs that can be individually controlled, ... Global electric lighting in 1997 consumed 2016 terawatthours of energy. Lighting consumes roughly 12% of electrical energy ... Comparison to other lighting technologies[edit]. See luminous efficacy for an efficiency chart comparing various technologies. ...

https://en.wikipedia.org/wiki/LED_lamp

Lighting[edit]. *Lamp, a fuel burning illumination *Oil lamp, the original use of this term ... Stage lighting instruments, a general term for a variety of light sources used for theater and television production ...

https://en.wikipedia.org/wiki/Lamp

Lighting[edit]. The problem of sufficiently and evenly lighting the subject can be difficult to overcome. Some cameras can ... Auxiliary lighting (such as from a flash unit), preferably a ring flash is often used (see Lighting section). ... A normal-focal-length macro lens (50 mm on a 35 mm camera) can focus so close that lighting remains difficult. To avoid this ... Ring flashes, with flash tubes arranged in a circle around the front of the lens, can be helpful in lighting at close distances ...

https://en.wikipedia.org/wiki/Macro_lens

Lighting[edit]. There is a dearth of research investigating relationships between lighting and intake; however, extant ... literature suggests that harsh or glaring lighting promotes eating faster,[37] whereas soft or warm lighting increases food ...

https://en.wikipedia.org/wiki/Food_choice

After lighting the candles, it is customary to play (or spin) the dreidel. The dreidel, or sevivon in Hebrew, is a four-sided ... Lighting candles each night. Singing special songs, such as Ma'oz Tzur. Reciting the Hallel prayer. Eating foods fried in oil, ... Blessing for lighting the candles. [92] בָּרוּךְ אַתָּה ה', אֱ-לֹהֵינוּ מֶלֶךְ הָעוֹלָם, אֲשֶׁר קִדְּשָׁנוּ בְּמִצְוֹתָיו, ... After lighting the candles and Ma'oz Tzur, singing other Hanukkah songs is customary in many Jewish homes. Some Hasidic and ...

https://en.wikipedia.org/wiki/Hanukkah

Lighting[edit]. Reading from paper and from some screens requires more lighting than many other activities. Therefore, the ... and lighting) and a suitable font size. In the case of a computer screen, it is important to see an entire line of text without ... at bus stops or in parks greatly varies depending on available lighting and time of day. ...

https://en.wikipedia.org/wiki/Reading_

Lighting[edit]. This section needs additional citations for verification. Please help improve this article by adding citations ... Since the end of 2003, the conventional truss lighting poles that the province installed on the QEW segment in the late 1960s ... sodium lighting was failing and most of the cobra-neck conventional poles were replaced in favour of shaded high-mast lighting ... for expressway lighting) on a 7 kilometres (4.3 mi) stretch of the expressway, entitled the 'Green Ribbon'. The estimated cost ...

https://en.wikipedia.org/wiki/Gardiner_Expressway

... uk/car-news/new-cars/bmw-i8-will-be-first-offer-new-laser-lighting-tech BMW i8 will be first to offer new laser lighting tech ... A glare-free high beam is a camera-driven dynamic lighting control strategy that selectively shades spots and slices out of the ... A Birmingham[where?] firm called Pockley Automobile Electric Lighting Syndicate marketed the world's first electric car-lights ... Japanese Industrial Standard JIS D-5500 Archived 15 August 2007 at the Wayback Machine Automobile Parts--Lighting and Light ...

https://en.wikipedia.org/wiki/Laser_lamp

Lighting[edit]. Phosphor layers provide most of the light produced by fluorescent lamps, and are also used to improve the ... The Apollo space program is often credited with being the first significant use of EL for backlights and lighting.[16] ... Many white LEDs used in general lighting systems can be used for data transfer, for example, in systems that modulate the LED ... this technology is used in some Motorola phones such as the Blackberry as well as LED lighting and the original version stacked ...

https://en.wikipedia.org/wiki/Phosphor

Lighting[edit]. With the development of high-efficiency and high-power LEDs, it has become possible to use LEDs in lighting and ... Sustainable lighting[edit]. Efficient lighting is needed for sustainable architecture. In 2009, US Department of Energy testing ... Airbus has used LED lighting in its Airbus A320 Enhanced since 2007, and Boeing uses LED lighting in the 787 and 737 Sky ... In practice, most buildings that use a lot of lighting use fluorescent lighting, which has 22% luminous efficiency compared ...

https://en.wikipedia.org/wiki/Light-emitting_diode

... and assume front lighting. As a rough general rule, decrease EV by 1 for side lighting, and decrease EV by 2 for back lighting. ... Exposure values (ISO 100) for various lighting conditions[5]. Lighting condition. EV100 ... for constant lighting conditions, the exposure is constant as long as the ratio t/N2 is constant. If, for example, the f-number ... Relationship of EV to lighting conditions[edit]. "Correct" exposure is obtained when the f. -number and exposure time match ...

https://en.wikipedia.org/wiki/Exposure_value

Lighting Level[edit]. A generalized use class aspect that specifies the level of lighting do you anticipate in a scene of ... See also, the Lighting Level topic for video quality requirements considerations. Line Amplifier[edit]. An amplifier for audio ... Most commonly, video hue is influenced by a camera's white balance or scene lighting. Video color processors, such as the video ... lighting level). See also, the Generalized Use Class Aspects topic for more information.[3] ...

https://en.wikipedia.org/wiki/Glossary_of_video_terms

Draper, Geoff (1993). "Harmonized Headlamp Design for Worldwide Application". Motor Vehicle Lighting. Society of Automotive ... this sometimes requires the purchase and installation of local-market lighting components. ...

https://en.wikipedia.org/wiki/Right_hand_drive

Most modern electric lighting is powered by centrally generated electric power, but lighting may also be powered by mobile or ... It is the most common form of artificial lighting and is essential to modern society,[1] providing interior lighting for ... such as holiday lighting. Indicator LEDs are known for their extremely long life, up to 100,000 hours, but lighting LEDs are ... Before electric lighting became common in the early 20th century, people used candles, gas lights, oil lamps, and fires.[4] ...

https://en.wikipedia.org/wiki/Electric_light

A scrim is then attached to a frame overhanging the entire "outdoor" portion of the set between the lighting and the actors, in ... Scrims can be semi-transparent or wholly transparent depending on the fabric used and the lighting. They can be painted or not ... Film and TV productions typically use constant lighting in the studio and on location. Some types of bulbs cannot be ... "Scrim" lighting - news · newspapers · books · scholar · JSTOR (December 2009) (Learn how and when to remove this template ...

https://en.wikipedia.org/wiki/Scrim_

... is also used in incandescent, fluorescent lighting, and other gas-discharge tubes. Argon makes a distinctive blue-green ...

https://en.wikipedia.org/wiki/Argon

Invariance to lighting direction and surface characteristics[edit]. Geons can be determined from the contours that mark the ... Because the geons are based on these discontinuities, they are invariant to variations in the direction of lighting, shadows, ...

https://en.wikipedia.org/wiki/Geon_(psychology)

White-balancing is necessary especially when indoors under fluorescent lighting and when moving the camera from one lighting ... Wallace Roberts Stevens (1951). Principles of Lighting. Constable.. *^ Williams, D. R. (2004). "Sun Fact Sheet". NASA. Archived ... For lighting building interiors, it is often important to take into account the color temperature of illumination. A warmer (i. ... on the recommendations of the American Medical Association to prefer LED-lighting with cooler color temperatures (i.e. warmer ...

https://en.wikipedia.org/wiki/Color_temperature

Gas lamp lighting[edit]. Main article: Gas lighting. The first widespread system of street lighting used piped coal gas as fuel ... Lighting Research & Technology, 2012; 44(1); 69-83 *^ Institution of Lighting Professionals (ILP). Professional Lighting Guide ... Lighting Research and Technology 39(1): 53-67. *^ Rea MS, Radetsky LC, Bullough JD. Toward a Model of Outdoor Lighting Scene ... Lighting Research & Technology 2010; in press. *^ Brons, J. A.; J. D. Bullough & M. S. Rea (2008). "Outdoor site-lighting ...

https://en.wikipedia.org/wiki/Street_light

"GravityLight: gravity lighting without battery". Ghacks.net. Retrieved 2012-12-22.. *^ Divulgação. "Nova lâmpada é movida a ... "GravityLight: lighting for developing countries". Indiegogo. Retrieved 16 February 2014.. *^ "GravityLight 2: Made in Africa". ...

https://en.wikipedia.org/wiki/GravityLight

Lighting, at 25%, plays a much larger role than it does in the residential sector.[12] Lighting is also generally the most ... Lighting was addressed by not only programming the lighting console so that isolated lights could be switched on and off in ... A number of case studies indicate that more efficient lighting and elimination of over-illumination can reduce lighting energy ... This includes insulation and energy-efficient windows and lighting.[11] Smart ways to construct homes such that minimal[vague] ...

https://en.wikipedia.org/wiki/Energy_conservation_in_the_United_States

... consociates contextual information such as an individual's or sensor's location, activity, the time of day, and proximity to other people or objects and devices.[1] It is also defined as the relationship between and synthesis of information garnered from the spatial environment, a cognitive agent, and a cartographic map. The spatial environment is the physical space in which the orientation or wayfinding task is to be conducted; the cognitive agent is the person or entity charged with completing a task; and the map is the representation of the environment which is used as a tool to complete the task.[2] An incomplete view of spatial contextual awareness would render it as simply a contributor to or an element of contextual awareness - that which specifies a point location on the earth. This narrow definition omits the individual cognitive and computational functions involved in a complex geographic system. Rather than defining the myriad of potential factors ...

https://en.wikipedia.org/wiki/Spatial_contextual_awareness

The gas mantle remained an important part of street lighting until the widespread introduction of electric lighting in the ... 1911). "Lighting". Encyclopædia Britannica (11th ed.). Cambridge University Press. A Brief History of the Incandescent Mantle ... Candoluminescence Coleman lantern Gas lighting Aladdin Mantle Lamp Co. H. F. Ivey (1974). "Candoluminescence and radical- ...

https://en.wikipedia.org/wiki/Gas_mantle

Zumtobel Lighting Group Industrials Building materials & fixtures Dornbirn 1950 Lighting *. Donaustadt port. ...

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In the 19th century, gas stage lighting went from a crude experiment to the most popular way of lighting theatrical stages. In ... These problems with gas lighting led to the rapid adoption of electric lighting. By 1881, the Savoy Theatre in London was using ... In addition, some urban historical districts retain gas street lighting, and gas lighting is used indoors or outdoors to create ... Clegg left his job to set up his own gas lighting business, the Gas Lighting and Coke Company. ...

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Scientific American is the essential guide to the most awe-inspiring advances in science and technology, explaining how they change our understanding of the world and shape our lives.

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What happens when ones stores of energy run out? In vast and dilute oceans, high-energy nutrients can become quite scarce indeed, and many marine bacteria have the capacity to harvest energy directly from sunlight by means of light-activated proton pumps called proteorhodopsins. Nevertheless, the reasons for the widespread occurrence of proteorhodopsins and the fitness benefits of light-harvesting for bacteria have not been firmly established.. Gómez-Consarnau et al. cultured the Vibrio sp. AND4, knocked out its proteorhodopsin, starved it of organic detritus, and watched cell size shrink during the next 10 days. When the mutant was restocked with the missing gene and exposed to light again, it survived as well as the wild type, recovering to 3- to 6-fold higher cell densities than starved bacteria that had been left in the dark. It appears that proteorhodopsin fuels adaptive cell physiology and allows Vibrio to endure until more nourishment arrives. Although this study documents the ...

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Gas lighting was economical enough to power street lights in major cities starting in the early 1800s, and was also used in some commercial buildings and in the homes of wealthy people. (wikipedia.org)
The next major drop in price came about in the 1880s with the introduction of electric lighting in the form of arc lights for large space and street lighting followed on by incandescent light bulb based utilities for indoor and outdoor lighting. (wikipedia.org)
[5] Segmented sleep patterns disappeared, improved nighttime lighting made more activities possible at night, and more street lights reduced urban crime. (wikipedia.org)
Deferred lighting can render a large number of lights more easily than forward lighting. (apple.com)
For example, with forward lighting, in a scene with many lights, it's infeasible for every fragment to calculate the contribution of every light. (apple.com)
With deferred lighting, multiple lights can be applied to the scene with ease. (apple.com)
Consider flood lights with combined photosensors and motion sensors in the place of other security lighting options. (energy.gov)
Californian manufacturer Meteor Lighting has created a collection of commercial-grade pendant lights that have been used in the headquarters of McDonald's, Facebook and Netflix. (dezeen.com)
Californian manufacturer Meteor Lighting 's Lance series features cylindrical, outdoor wall lights , designed to accentuate the architectural elements of a building. (dezeen.com)
Supplying a multitude of energy saving products, the company specialises in LED lighting including LED strip lights, LED ceiling and wall lights , LED flood lights as well as commercial LED lighting. (prweb.com)
Even Uncle Sam also wants to help SMBs save money on energy: The U.S. Environmental Protection Agency's (EPA) Green Lights program is a voluntary program which provides technical information, financing options, lighting software and other services. (eweek.com)
For his comprehensive lighting plan, Maslanka had security lights placed at the front, rear and both sides of his home. (ajc.com)
Occupancy sensors turn off lights automatically when space is unoccupied saving about 25% of the lighting energy. (bchydro.com)
Learn about topics such as How to Install LED Strip Lighting , How to Test LED Lights , How to Cut Led Strip Lights , and more with our helpful step-by-step instructions with photos and videos. (wikihow.com)

Major brands like Lutron , through its 2018 acquisition of Ketra , and Philips are big players, and they're tying their lighting products into smart home and voice control systems for easy client adaptation. (forbes.com)
TUESDAY, July 24, 2018 (HealthDay News) -- Lighting that mimics natural night-day patterns might improve sleep and mood problems for Alzheimer's patients living in nursing homes, new research suggests. (medicinenet.com)

Tungsten lighting is a term used by photographers to distinguish from fluorescent lighting or strobe lighting. (answers.com)
Many businesses are lowering their lighting bills by installing energy-efficient equipment such as fluorescent and compact fluorescent lamps, task lighting and lighting controls. (eweek.com)
5. The lighting device of claim 4, wherein said light guide further comprises an aperture having a center axis approximately along a focus line of said semi-cylindrical reflecting surface, said cylindrical light emitting surface of said fluorescent lamp and said transparent surface of said housing being concentrically arranged around said center axis. (google.com)
Fluorescent lighting is a form of electric discharge lighting . (everything2.com)
Fluorescent lighting is energy efficient and the units themselves display long lives. (everything2.com)
They are often criticized for noise and poor color balance , but neither disadvantage is inherent to fluorescent lighting, but rather depends on the quality of the application. (everything2.com)
During the 1970's the introduction of electronic ballast s revolutionized fluorescent lighting, providing improvements in noise, longevity and efficiency, particularly at startup. (everything2.com)
There are several misconceptions about fluorescent lighting. (everything2.com)
Instead of using ceiling fixtures that light entire rooms, use compact fluorescent or LED (Light Emitting Diodes) task lighting. (bchydro.com)
New technologies in incandescent and fluorescent lamp manufacturing are being implemented throughout North America to reduce energy consumption and improve lighting quality, at costs comparable to standard technologies. (bchydro.com)
Fluorescent lighting is used to uplight the ceiling above the membranes in order to provide light to the space when daylight is insufficient. (arup.com)

Simply search "how to install rope lighting. (creators.com)

Lighting includes the use of both artificial light sources like lamps and light fixtures, as well as natural illumination by capturing daylight . (wikipedia.org)
Indoor lighting is usually accomplished using light fixtures , and is a key part of interior design . (wikipedia.org)
Lighting fixtures come in a wide variety of styles for various functions. (wikipedia.org)
Samantha Hart of Better Homes & Gardens reviews the current trends in lighting fixtures and home automation. (youtube.com)
Use CFLs or LEDs in portable lighting fixtures that are operated for more than 2 hours a day. (energy.gov)
Use ENERGY STAR® labeled lighting fixtures. (energy.gov)
Illuminate your dreamy bedroom retreat with luxurious lighting, from antique bedside sconces to contemporary pendant fixtures. (hgtv.com)
The Ritz-Carlton, Millenia, Singapore wanted to upgrade their old discharge lamps with dynamic, intelligent LED fixtures to make their events more immersive," said spokesperson for Concept Systems Technologies Pte Ltd. "Thanks to the wide array of diverse fixtures from Martin, we were able to design a custom lighting solution capable of creating a visually impactful experience for any event. (martin.com)
In some cases, lamps or whole lighting fixtures can be removed or retrofitted without creating lighting problems (de-lamping), although this may create uneven lighting in the working environment. (bchydro.com)
by switching to either LED screw-in lamps, complete LED fixtures or retrofit kits it will allow you to achieve the maximum of energy efficiency from your lighting systems. (bchydro.com)
Lithonia Lighting has received 29 reports of circuit boards overheating and fixtures melting or catching fire, with one incident resulting in more than $100,000 of property damage to an office building. (cpsc.gov)
Tasked with wrangling the multitude of fixtures, the staff of certified lighting specialists helps shoppers pinpoint specific bulbs and design lighting layouts for landscapes using underwater, directional, and putting-green fixtures. (groupon.com)
The more transparent the lighting fixtures are, the higher efficacy. (wikipedia.org)

Starting in 2022, the DLC will require cybersecurity measures on all lighting products that are to remain eligible for their qualified products list (QPL). (ul.com)

We will present projects in which we i) design tools for lighting designers to visualize, guesstimate and tune the structure of light in a space, and ii) design lighting for reliefs (artworks) of Jan Schoonhoven to experience that lighting has enormous impact on their appearance. (tudelft.nl)
We investigate how we can design light(ing) to bring out qualities of spaces, shapes and materials, and how to design probe objects to test and tune lighting designs. (tudelft.nl)
Qualitative (perception-based) lighting design needs understanding of optical space-shape-materials-light interactions and its visual effects on appearance, functioning, behaviour and health. (tudelft.nl)
A prerequisite is that lighting design and research will be based on the spatial light structure in and appearance of a space instead of on output light levels. (tudelft.nl)
Thus we need methods and tools to describe, guesstimate and tune the light in a space, connecting optics, lighting technology and design. (tudelft.nl)
Energy-efficient indoor and outdoor lighting design focuses on ways to improve both the quality and efficiency of lighting. (energy.gov)
If you're constructing a new house, consider lighting as part of your whole-house design -- an approach for building an energy-efficient home. (energy.gov)
When designing indoor lighting for energy efficiency, consider some basic design principles and methods. (energy.gov)
Stuart Haygarth's talent lies in re-imagining waste into striking lighting design. (inhabitat.com)
Stuart Haygarth's Recycled Lighting Design Published October 10th, 2007 Furniture / Lighting Design So pretty. (inhabitat.com)
3D Printing meets traditional Italian glassmaking techniques with this innovative lighting design! (yankodesign.com)
designboom in collaboration with LG CHEM and LG Electronics presents the OLED LIGHTING International Design Competition to catalyze the international creative and design community to create commercially viable OLED LIGHTING applications for the current premium market. (designboom.com)
the OLED LIGHTING International Design Competition will give designers a once-in-a lifetime opportunity to partake in developing first generation OLED lighting products (for general lighting applications), and to eventually "Change the way we see the light. (designboom.com)
please refer to the " LG Chem OLED Panel Specifications & Dimensions " document for more details.compared to the existing bulb, bar, and point light sources, you have a lot of design freedom in your hands even without a thorough understanding of lighting engineering. (designboom.com)
Now because this is a level design course,…and primarily what we are doing is building…a prototype level to which we would add…final refined assets, the lighting that we create…doesn't necessarily need to be of a final production value,…but rather it needs to convey the central aesthetic…that we would apply to the final level…when we produce the final version. (lynda.com)
No matter which new lighting scheme you decide to try out, it's important to make sure your home finishes work with your design. (mercurynews.com)
This guide on lighting design is intended for students who have no prior knowledge of lighting and also for those who are experienced but would like to bring themselves up to date with developments in lamp and luminaire design, modern design theory, European Standards and the CIBSE code for Interior Lighting 1994. (slideshare.net)
It develops the basic principles of lighting science but then goes on to provide a modern design perspective for both artificial lighting and day lighting which will be useful to experienced designers. (slideshare.net)
v) Design lighting schemes taking both cost and quality considerations into account. (slideshare.net)
vi) Design lighting schemes which are suitable for use with modern control systems. (slideshare.net)
vii) Design combined daylight and supplementary lighting schemes for use in modern buildings. (slideshare.net)
viii) Design Office Lighting to comply with the European Directive for Display Screen Lighting. (slideshare.net)
ix) Design Emergency Lighting Systems. (slideshare.net)
4. Definitions 1 ________________________________________________________________________ ________________________________________________________________________ Interior Lighting Design - A Student's Guide KK/KO'C 97 ADAPTATION The process of the eye adapting to brightness or colour. (slideshare.net)
Declarative approaches to lighting design model image quality using an objective function that captures the desired visual properties of an object or scene. (springer.com)
We review the notion of declarative lighting design, and introduce LightOp , a tool by which the design of objective functions (the components and settings) and the application of different optimization techniques can be explored. (springer.com)
Illuminate your bedroom with lighting features that add convenience and enhance the room's design. (hgtv.com)
Lighting can make all the difference when it comes to interior design. (creators.com)
A relatively new design science - called human-centric lighting - seeks to optimize ideal circadian cycles by reproducing daylight as closely as possible, and adjusting automatically to maintain that resemblance through different dayparts. (forbes.com)
It is a concept that leverages every aspect of lighting design, products and controls to benefit human needs. (forbes.com)
The design industry is fully embracing the potential of human-centric lighting. (forbes.com)
Good lighting design contributes to employee comfort and health, which in turn can result in greater productivity. (bchydro.com)
If your lighting system is more than 10 or 15 years old, consider an updated lighting design. (bchydro.com)
As a classically trained pianist who infuses lighting design with impeccable rhythm and timing, Eisenhauer brings a Renaissance woman's talents to the trade. (variety.com)
A total of 14 indoor connected lighting systems are installed in working classrooms at The New School, Parsons School of Design in New York City. (energy.gov)
Design is about trying to reach that point of clarity when a product is as perfect as it can be," said Astro Lighting co-founder James Bassant. (dezeen.com)
In addition to our extensive studio collection, Circa Lighting offers exclusive lighting from the most influential talent in interior design. (archdaily.com)
aleddra LED lighting, a manufacturer of LED lamps, is committed to design and develop LED lamps for residential, commercial, and industrial applications. (energystar.gov)
In addition to offering completely new design possibilities, the transparent OLED lighting concept also allows new approaches to automotive engineering, the companies said. (digitimes.com)
Lighting Unlimited is the proverbial light at the end of the tunnel for its clientele, with each of its four locations beaming with endless design possibilities born of a 5,000-strong stock of light bulbs and ballasts. (groupon.com)
Arup's lighting designers were involved from conceptual design to final commissioning of the electric and daylighting systems for the gallery and public spaces the Brandhorst Museum, housing the Udo and Anette Brandhorst Collection - a substantial collection of late twentieth century and contemporary art. (arup.com)
Arup worked closely with them, Udo Brandhorst and the Bavarian State Picture Collection to develop the natural and electric lighting design for this new museum. (arup.com)
The lighting design needed to be sensitive to this while providing a comfortable and inviting place for visitors. (arup.com)

Why do you use tungsten in electric bulbs for lighting? (answers.com)
Renowned for their range of advanced technology LED bulbs , the team at Visible Lighting take a natural interest in all updates and developments within the industry. (prweb.com)
Aug. 16, 2010 Josh Sims checks the power and wattage of LED light bulbs in the final step before being boxed for shipment on the manufacturing floor of Lighting Science Group's facility in Satellite Beach, Fla. Many experts consider LED bulbs the future of lighting because they consume much less energy and last longer. (washingtonpost.com)

The more transparent the lighting fixture is, the higher efficacy. (wikipedia.org)
Any fixture that takes a tungsten filament bulb is an example of incandescent lighting. (answers.com)
Lighting is classified by intended use as general, accent, or task lighting, depending largely on the distribution of the light produced by the fixture. (wikipedia.org)

Tungsten is a type of incandescent lighting using a bulb with a filament made of the metal tungsten, as opposed to, say, carbon or platinum. (answers.com)
If you are using studio quality tungsten lighting, you should also use a type-B incandescent balanced film, or set your digital camera for either AUTO or incandescent. (answers.com)
In practice, plain household tungsten lighting (color temperature around 2800Â°K) will yield a perfectly acceptable photograph with a type-B film or with your digital camera set on auto or incandescent. (answers.com)
What is an Example of incandescent lighting? (answers.com)
In accent lighting applications, replace incandescent lamps with line voltage (PAR type) or low voltage (MR16 type) halogen lamps. (bchydro.com)

With the discovery of fire , the earliest form of artificial lighting used to illuminate an area were campfires or torches . (wikipedia.org)
From playful lamps to funky lighting ideas, get inspiration to illuminate your child's bedroom. (hgtv.com)
Rope lighting is a beautiful way to illuminate your outdoor pathways and patios. (creators.com)
It might say "lighting designer" on Peggy Eisenhauer's resume, but that only begins to illuminate her contributions to the field. (variety.com)

For critical inspection or color matching tasks, or for retail displays of food and clothing, the color temperature of the lamps will be selected for the best overall lighting effect. (wikipedia.org)

The FAA Lighting Systems Sub-Team (LST) is in the process of researching the use of Light Emitting Diodes (LEDs) in an Approach Lighting System (ALS) application. (faa.gov)
TULSA, Okla. , July 18, 2016 /PRNewswire/ -- LEDs Magazine , owned by PennWell Corporation and part of the PennWell LED & Lighting Network, announced today the launch of the Horticultural Lighting Conference to be held October 12, 2016 at the Palmer House Hilton Hotel in downtown Chicago, IL. (prnewswire.com)
United together, the PennWell LED & Lighting Network's resources drive innovation and inspire solutions in LEDs and lighting by connecting the technology with the applications of the future. (prnewswire.com)

The most realistic and usually most pleasing lighting resembles daylight, the light we see most often: one main source of light from above creating a single set of shadows. (ucl.ac.uk)
Although not tremendously complicated, main lighting switches still require a certain level of understanding prior to being worked on, especially since they utilize electrical power. (ehow.com)
Learn about main lighting switches and the parts they are composed of. (ehow.com)

Before electricity became sufficiently widespread and economical to allow for general public use, gas was the most popular method of outdoor and indoor lighting in cities and suburbs . (wikipedia.org)
Their product is non-radioactive and non-toxic, and responds to both indoor and outdoor (sun) lighting. (treehugger.com)

Try a circadian lighting system. (mercurynews.com)
Investing in a circadian lighting system may be a good option. (mercurynews.com)
Circadian lighting systems get your body back on track by mimicking the sun's normal light path. (mercurynews.com)
The lighting intervention, designed to stimulate dementia patients' circadian rhythm -- which regulates sleep and wake cycles -- led to significant decreases in sleep disturbance, depression and agitation, the study authors said. (medicinenet.com)
The lighting was designed to stimulate the body's circadian rhythm, which prompts the release of the hormone melatonin in the brain that regulates normal sleep-wake cycles. (medicinenet.com)

As lighting systems and IoT smart lighting take the industry beyond functional illumination into lighting as a service (LaaS) to encompass multiple data and connection categories, the challenges of going to market are becoming increasingly complex. (ul.com)
As more lighting systems incorporate wireless technologies such as Bluetooth ® , Wi-Fi, Li-Fi and cellular connectivity, testing that assesses the real-life performance and functionality of products has become more complex. (ul.com)
The market for viable and practical mid-sized photovoltaic (PV) lighting systems is growing as the technology has become more reliable and cost-effective. (ul.com)
Poised to reach over US$1.3 Billion by the year 2025, Surgical Lighting Systems will bring in healthy gains adding significant momentum to global growth. (prnewswire.com)
In Japan , Surgical Lighting Systems will reach a market size of US$67.1 Million by the close of the analysis period. (prnewswire.com)
Moreover, current developments in lighting technology also ask for such a novel approach, because they will result in systems with which we can vary our luminous environment, as opposed to the lighting level provided by a lamp. (tudelft.nl)
Lighting systems provide pilots with the visual cues to quickly and positively identify the runway environment. (faa.gov)
iv) Have a working knowledge of modern Control Systems for energy efficient lighting. (slideshare.net)
Many lighting systems are over-designed, providing too much light for the task. (bchydro.com)
The Next Generation Lighting Systems (NGLS) program evaluates today's connected lighting systems in real-world installations, in order to identify challenges in installation and operation, reveal needed product improvements, and articulate principles and best practices that will reduce configuration complexity and enable system performance to meet expectations. (energy.gov)
All parking lot lighting systems must be approved by the municipal board and are given 30 days to make appropriate adjustments. (ehow.com)

From the manufacturer to the end user, the PennWell LED & Lighting Network Network's mission is to bridge the spectrum of light with the highest level of excellence in editorial, technical content and business development opportunities, providing 360-views of the global market. (prnewswire.com)

Finally, put a few pro techniques into practice to really master the art of portrait lighting. (adobe.com)
Another simple cost-saving measure is to practice task lighting-uniformly lighting the areas where you actually need it, rather than an entire area. (eweek.com)

A look inside the Florida factory of LED bulb manufacturer Lighting Science Group, the sort of innovative, "green" company that many would like to keep in the U.S. (washingtonpost.com)
A typical florescent lighting system consists of a bulb , bulb sockets and a ballast . (everything2.com)

Try natural portrait lighting set ups. (adobe.com)
Whether you're in a professional studio or shooting a model in your home photo studio (see our 10 tips for setting up your home photo studio ), often the simplest portrait lighting set-ups yield the most classic and dramatic effects. (techradar.com)
To help you along we've put together our latest photography cheat sheet, a visual guide taking you through several simple portrait lighting set-ups, and showing the different effects they create. (techradar.com)

Zhao is optimistic about human-centric lighting's potential: "Using 3D digital models we can predict or simulate the performance of different electrical lighting, plus daylight variations. (forbes.com)

citation needed] In volumetric lighting, the light cone emitted by a light source is modeled as a transparent object and considered as a container of a "volume": as a result, light has the capability to give the effect of passing through an actual three-dimensional medium (such as fog, dust, smoke, or steam) that is inside its volume, just like in the real world. (wikipedia.org)

LG Chem is currently the sole company producing OLED panels that are at performance levels good enough for general lighting. (designboom.com)
This OLED lighting concept for car roofs is the result of a longstanding cooperation between BASF and Philips in the research and development of OLED modules. (digitimes.com)

Naturally the diagrams should only be taken as a guide, as it is impossible to accurately represent the enormous variety of heads, dishes, softboxes, reflectors and so on that are available, while using an accessible range of diagrams, nor is it possible to fully indicate lighting ratios and other such specifics. (ucl.ac.uk)
Our cheat sheet shows you how to use different kinds of off-camera lighting, from soft boxes to reflectors, and at the end we suggest a few striking poses to use with these portrait lighting effects (you might also like our portrait photography cropping guide to use when editing your portraits). (techradar.com)

Lighting or illumination is the deliberate use of light to achieve a practical or aesthetic effect. (wikipedia.org)
UL International Italia S.r.l has recently received accreditation from the Digital Illumination Interface Alliance (DiiA) to be a Digital Addressable Lighting Interface (DALI) protocol test house. (ul.com)
Create the perfect illumination for your face with Hourglass Ambient® Lighting Powder. (sephora.com)

How do you utilise mixed lighting indoors? (ucl.ac.uk)
Diffuse, illuminated ceilings for the large spaces on the upper floor utilise both electric and natural lighting. (arup.com)

Since every infrastructure lighting project has unique needs and engineering challenges, designers, manufacturers and specifiers need flexible options for safety testing and certification, energy efficiency, and performance testing and cybersecurity. (ul.com)
When designing outdoor lighting, consider the purpose of the lighting along with basic methods for achieving energy efficiency. (energy.gov)
By fostering a sense of active participation within your business, employees can keep lighting efficiency top-of-mind. (eweek.com)
You can purchase a spool of rope lighting (LED is recommended because of its energy efficiency) in various colors, clear being the most popular. (creators.com)

One way to optimize volumetric lighting effects is to render the lighting volume at a much coarser resolution than that which the graphics context is using. (wikipedia.org)

Swedish ceramic artist Anu Moser designed this beautiful pendant lamp for Danish lighting manufacturer. (core77.com)

In addition, some urban historical districts retain gas street lighting , and gas lighting is used indoors or outdoors to create or preserve a nostalgic effect. (wikipedia.org)

Your lighting products can be evaluated to these benchmarks to differentiate your product in the marketplace, or to meet the specific upcoming DesignLights Consortium (DLC) minimum cybersecurity requirements. (ul.com)
The product requires no energy to run, thus it can work in a complete power outage, and can be used to replace emergency lighting. (treehugger.com)
this category will be aiming for lighting product launch early next year. (designboom.com)
this category is considered for lighting product launch sometime between late 2014 ~ early 2015. (designboom.com)
Visible Lighting places customer service as its top priority, regularly expanding its product lines. (prweb.com)
Would you purchase this lighting product again? (tirerack.com)
Write a review of this lighting product. (tirerack.com)
With its breakthrough product Enlighten, launched in 2007, Geomerics pioneered a new business sector in selling lighting middleware technology. (cam.ac.uk)

STAGEDOOR MANOR , a Performing Arts Camp for ages 10 -18, in NY's Catskill Mountains, is currently accepting applications from LIGHTING DESIGNERS for our 2021 Season (June 2 - August 3). (playbill.com)

Consult a lighting professional for advice before embarking on a removal or retrofit project. (bchydro.com)

Today, LED luminaires are available for most of the lighting applications. (bchydro.com)

This season, we give thanks for our many blessings, and delight in the excitement of our children's faces as we light the Capitol Tree," said Speaker of the U.S. House of Representatives Nancy Pelosi (CA-12) at the U.S. Capitol Christmas Tree Lighting Ceremony on December 5. (house.gov)
Various representatives from New Mexico were at the tree lighting, including Senator Tom Udall and Representative Deb Haaland (NM-1). (house.gov)
With the Thanksgiving turkey and stuffing just a memory, residents will turn their attention to the annual tree lighting and holiday parade on Sunday. (courant.com)
The afternoon will end with the tree lighting at 4:15 on the Madison Town Green. (courant.com)

A New Zealand company, ecoglo , is by their own account becoming the world leader in passive emergency lighting. (treehugger.com)

From reinterpreted traditional to casual luxury, these designers are true lighting icons. (archdaily.com)

Therefore, the sample implements a two-pass deferred lighting algorithm for the macOS version of the app. (apple.com)
The iOS and tvOS simulators run on macOS Metal implementations so these also use the two-pass deferred lighting algorithm. (apple.com)

China has criticized human rights activists for disrupting the lighting ceremony of the Olympic torch in Ancient Olympia, Greece, Monday, saying their actions were 'shameful. (voanews.com)
Chinese state media have made no mention of Monday's protests, and are calling the lighting ceremony a success. (voanews.com)

Effective outdoor lighting is also like cinematography for your yard, showing off your beautiful flower garden, shrubbery or dramatic oak trees to their best advantage. (ajc.com)
Barzel, R.: Lighting Controls for Computer Cinematography. (springer.com)

Gas lighting is production of artificial light from combustion of a gaseous fuel, such as hydrogen , methane , carbon monoxide , propane , butane , acetylene , ethylene , or natural gas . (wikipedia.org)

This can save energy in place of using artificial lighting, which represents a major component of energy consumption in buildings. (wikipedia.org)
UL has committed to focusing on connected lighting as the technologies converge and will meet the new demands emerging around Li-Fi, smart homes and buildings and the growing emphasis on lighting as a component of a connected ecosystem. (ul.com)

Our services related to smart and connected lighting include cybersecurity, interoperability, electromagnetic compatibility (EMC) and wireless testing and more. (ul.com)
Trusted and recognized around the globe, UL provides core services of safety testing and certification, performance measurement, global market access and connected lighting for emerging smart streetlighting and infrastructure lighting. (ul.com)
If you are in Auckland then you can avail disco lighting for sale Auckland services and buy are range of disco lighting equipment with variant these consist of scanners, dmx lighting, different types band and stage lighting, effect machine and many other such exciting equipments. (slideshare.net)
Energy Lighting Services [ELS] is a national lighting contracting company made up of commercial LED Lighting experts. (entrepreneur.com)
Energy Lighting Services has been a trusted partner in the lighting energy arena for nearly 10 years and was founded by a former teacher and pastor Jason Duncan who started the business after he lost his job during the 2008 recession. (entrepreneur.com)

Use outdoor solar lighting where applicable. (energy.gov)
And just like a great cinematographer, an outdoor lighting expert can sculpt the yard, highlight its color palette, emphasize your home's architecture and create a mood. (ajc.com)
The American Society of Landscape Architects' 2011 Residential Trends Survey, which polled landscape architecture professionals, reported that 96 percent said outdoor lighting is the most popular trend. (ajc.com)
One important issue to factor into an outdoor lighting scheme is hue, which can dramatically alter the look of shrubbery and architecture. (ajc.com)
The same uplighting that could cast ghoulish shadows on a leading lady's face can also be overused in an outdoor lighting scheme. (ajc.com)
The appeal of the right outdoor lighting plan is its ability to create not just a physical but a psychological effect. (ajc.com)
It circles the yard with outdoor lighting," Maslanka said. (ajc.com)
Outdoor lighting is just as powerful. (creators.com)
A simpler outdoor lighting fix involves candles. (creators.com)

Therefore, a very natural lighting scenario involves a lot of bright light coming from above you," explains Kenton. (adobe.com)

In still Photography , tungsten lighting gave studio photographers greater flexibility than the classic north sky light. (answers.com)
Mix Media Events aim to bring professional,memorable and boutique events to all of our clients.we expert event planners, lighting engineers,photographers etc more info visit our website http://www.mixmediaevents.com. (slideshare.net)
Whether it's a flashgun or a softbox, off-camera lighting has confounded many aspiring portrait photographers. (techradar.com)

Chemistry is not something you take into account when working with stage lighting. (answers.com)
Rich comes to Ellsworth Adhesives with over 20 years of lighting sales and account development experience with companies such as General Electric, Technical Consumer Products, Howard Industries and most recently his own consulting firm J&L Consulting which specialized in commercializing new LED technology. (prweb.com)

The results so far have been positive, if not entirely conclusive, he shares: "They have reported a sense of calm and relaxation that the lighting system creates since taking occupancy. (forbes.com)

So what I'm going to do here…is start to add the lighting to the level…that is going to convey the general aesthetic. (lynda.com)
Lighting alters more than the aesthetic appeal of your home - it can affect your mood as well. (mercurynews.com)

The rear lighting and signaling system of automotive vehicles was considered to be one component of the traffic system which was amenable to development to provide improvements in driver performance and, hence, in accident reduction. (sae.org)
ELS helps business leaders across the country save money and create opportunity by switching to an LED lighting system, often with cash flow positive, zero money out of pocket projects. (entrepreneur.com)
According to La Verne Municipal Code Section 18.76.090, every light within the parking lot, except security lighting, must be on a timed system. (ehow.com)

Since today is the world of modernization advance technology so most of the agencies associated with Disco Lighting for Sale Auckland have online website designed for the process to be carried out by their customers. (slideshare.net)
Steven G. Atkinson, author of Technology Tips for Small Business , says companies can save lots of money by only lighting the areas that need to be lit. (eweek.com)
Connecting research and technology to end user applications, this specialized one-day conference will provide cutting-edge information on the latest technologies and techniques impacting the advancement of the horticultural lighting market. (prnewswire.com)

Finally, the renderer composites other data, such as shadows and directional lighting, onto the scene by executing a full-screen quad or a compute kernel. (apple.com)

Since efficient lighting can save your company lots of money, let's explore some methods that all SMBs can impliment. (eweek.com)
Like Maslanka, Coggins said he initially chose the wrong lighting company. (ajc.com)
recently displayed on the streets of madrid was 'personal reading in public sites' a new lighting intervention created by spanish company luzinterruptus. (designboom.com)

Efficient use of Electricity in Industry', The 2nd European Conference on Energy-Efficient Lighting 1993. (slideshare.net)
The PennWell LED & Lighting Network serves the global lighting industry with a comprehensive series of publications, events and research capabilities covering every aspect of lighting. (prnewswire.com)
Ellsworth Adhesives, a global distributor of adhesives, specialty chemicals and dispensing equipment, is pleased to announce the expansion of its North American team by adding Rich Turner as Lighting Specialist, a role in which he will be focused on creating new opportunities in the lighting industry. (prweb.com)
People kept recommending them, but I thought, Why are we going to New York to get lighting people when we're here in the capital of the film industry? (variety.com)

I used this concept of lighting in Ambient Lighting Powder. (sephora.com)
Use Ambient Powder Brush to dust Ambient Lighting Powder all over the face. (sephora.com)

as lighting is retrofitted into existing streetlighting or integrated into smart city applications that provide Wi-Fi and monitor air quality, noise, traffic, parking and more, we can help you with testing solutions for simple or complex projects. (ul.com)
If you're bringing your subject outside to take their portrait, knowing the time that's best for lighting will result in a higher-quality shot. (adobe.com)
Visible Lighting was established with a view to providing high quality lighting at affordable prices. (prweb.com)

Dropbox - Landscape Lighting - Simplify your life (dropbox.com)

Pacific Lighting Services, Inc. Careers | Monster.com (monster.com)

Iotty Smart Switch: Beautiful Smart Lighting | Indiegogo (indiegogo.com)

Video: Bright ideas in lighting (montgomeryadvertiser.com)

Might D Light Rechargeable LED Worklight - Cooper Lighting (popularmechanics.com)

Industrial unit lighting, uv light bulb mercury news (s3.amazonaws.com)

Brentwood rings in the holidays at lighting ceremony (tennessean.com)

PHOTOS: 2014 Rockefeller Tree Lighting - NECN (necn.com)

Imagin Lighting (imaginlighting) - Profile | Pinterest (pinterest.com)

Anatomy9

Diseases4

Chemicals and Drugs6

Analytical, Diagnostic and Therapeutic Techniques and Equipment10

Psychiatry and Psychology13

Phenomena and Processes22

Anthropology, Education, Sociology and Social Phenomena2

Technology, Industry, Agriculture3

Information Science3

Health Care11

Geographicals1

The biological clock of very premature primate infants is responsive to light. (1/1103)

Temporal analysis of the chromatic flash VEP--separate colour and luminance contrast components. (2/1103)

Light-dependent translocation of a phytochrome B-GFP fusion protein to the nucleus in transgenic Arabidopsis. (3/1103)

Behavioral and neurochemical alterations evoked by p-Chlorophenylalanine application in rats examined in the light-dark crossing test. (4/1103)

Light-induced uncoupling of multioscillatory circadian system in a diurnal rodent, Asian chipmunk. (5/1103)

Testing optimum viewing conditions for mammographic image displays. (6/1103)

Effects of a benzodiazepine, lorazepam, on motion integration and segmentation: an effect on the processing of line-ends? (7/1103)

Spatial masking does not reveal mechanisms selective to combined luminance and red-green color. (8/1103)

Lighting

Light

Asthenopia

Circadian Rhythm

Darkness

Computer Terminals

Chronobiology Disorders

Environment, Controlled

Photoperiod

Crop, Avian

Emmetropia

Melatonin

Environmental Pollution

Pineal Gland

Data Display

Chronobiology Phenomena

Photoreceptor Cells

Solar Activity

Geographic Mapping

Color

Axial Length, Eye

Conservation of Energy Resources

Pupil

Periodicity

Photography

Urbanization

Dark Adaptation

Environment Design

Form Perception

Fetal Movement

Refraction, Ocular

Hyperopia

Lenses

Phototherapy

Eye

Ocular Physiological Phenomena

Myopia

Depth Perception

Sexual Maturation

Circadian Clocks

Retina

Photic Stimulation

Adaptation, Ocular

Interior Design and Furnishings

Retinoscopy

Infrared Rays

Biological Clocks

Prolactin

Opsins

Sensory Deprivation

Color Perception

Suprachiasmatic Nucleus

Cities

Video Recording

Rod Opsins

Feeding Behavior

Visual Perception

Housing, Animal

Behavior, Animal

Rod Cell Outer Segment

Animal Husbandry

Sexual Behavior, Animal

Contrast Sensitivity

Cues

Luteinizing Hormone

Motor Activity

Seasons

Workplace

Testosterone

The biological clock of very premature primate infants is responsive to light. (1/1103)

Temporal analysis of the chromatic flash VEP--separate colour and luminance contrast components. (2/1103)

Light-dependent translocation of a phytochrome B-GFP fusion protein to the nucleus in transgenic Arabidopsis. (3/1103)

Behavioral and neurochemical alterations evoked by p-Chlorophenylalanine application in rats examined in the light-dark crossing test. (4/1103)

Light-induced uncoupling of multioscillatory circadian system in a diurnal rodent, Asian chipmunk. (5/1103)

Testing optimum viewing conditions for mammographic image displays. (6/1103)

Effects of a benzodiazepine, lorazepam, on motion integration and segmentation: an effect on the processing of line-ends? (7/1103)

Spatial masking does not reveal mechanisms selective to combined luminance and red-green color. (8/1103)

EPA Recognizes Metro Lighting With 2011 Excellence in Retailing For Lighting Award « The Healthy Planet

For 96-01 Audi B5 A4 Quattro Chrome Led 3d Rgb Color Change Angel Eyes Headlight

Lighting Research Center at Rensselaer Launches First Interactive, Online Lighting Design Resource for Homes | News & Events