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Topic: Light

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In the News (Sun 19 Nov 17)

  The Light Group, Las Vegas Nightclubs, Restaurants, Bars, Lounges, and Real Estate, the Best Las Vegas Night Clubs and ...
Light Las Vegas night club was thoughtfully, artistically designed by Lian Waisbrod with Studio Gaia of New York City.
Whether you prefer a high-energy Las Vegas nightclub or more intimate Las Vegas night club experience, Light Las Vegas Nightclub is sure to satisfy with various distinct VIP service areas with Las Vegas table reservations and European bottle service dedicated to suit your comfort.
The Light Group, renowned for providing VIP service at its sophisticated and stylish Las Vegas nightlife and Las Vegas restaurant properties, brings its exceptional operational prowess to Bare Pool Lounge at The Mirage, providing an exclusive adult alternative to the typical Las Vegas pool experience.
www.lightgroup.com   (1969 words)

  light. The Columbia Encyclopedia, Sixth Edition. 2001-05
The term “light” is often extended to adjacent wavelength ranges that the eye cannot detect—to infrared radiation, which has a frequency less than that of visible light, and to ultraviolet radiation and fl light, which have a frequency greater than that of visible light.
Light that is all of the same wavelength and phase (all the waves are in step with one another) is called “coherent”; one of the most important modern applications of light has been the development of a source of coherent light—the laser.
The scientific study of the behavior of light is called optics and covers reflection of light by a mirror or other object, refraction by a lens or prism, diffraction of light as it passes by the edge of an opaque object, and interference patterns resulting from diffraction.
www.bartleby.com /65/li/light.html   (1379 words)

  Light - Wikipedia, the free encyclopedia
Light is electromagnetic radiation with a wavelength that is visible to the eye (visible light) or, in a technical or scientific context, electromagnetic radiation of any wavelength.
The elementary particle that defines light is the photon.
Refraction of light by lenses is used to focus light in magnifying glasses, spectacles and contact lenses, microscopes and refracting telescopes.
en.wikipedia.org /wiki/Light   (4226 words)

 Reading on Color & Light, Part I
Orange light with a wavelength of 620 nanometers is composed of photons with energy of 2 eV.
Light rays are composed of photons whose energy specifies a color from red to violet.
The region of visible light in wavelengths shown as a linear arrangement (a) and as a circle (b) as conceived by Sir Isaac Newton.
acept.la.asu.edu /PiN/rdg/color/color.shtml   (1624 words)

 Light   (Site not responding. Last check: 2007-11-07)
Light entering the eye is absorbed by light-sensitive pigments within the rod cells and cone cells in the retina, triggering a cascade of events that creates electrical nerve impulses that travel through the optic nerve to the brain, producing vision.
The constant speed of light predicted by Maxwell's equations contradicted the mechanical laws of motion that had been unchallenged since the time of Galileo, which stated that all speeds were relative to the speed of the observer.
This is a light wave frozen in time and shows the two components of light; an electric field and a magnetic field that oscillate perpendicular to each other and to the direction of motion (a transverse wave).
www.brainyencyclopedia.com /encyclopedia/l/li/light.html   (2786 words)

 Howstuffworks "How Light Bulbs Work"
Before the invention of the light bulb, illuminating the world after the sun went down was a messy, arduous, hazardous task.
Light bulbs are ranked by their power -- the amount of light they put out in a certain period of time (measured in watts).
Incandescent light bulbs give off most of their energy in the form of heat-carrying infrared light photons -- only about 10 percent of the light produced is in the visible spectrum.
home.howstuffworks.com /light-bulb.htm   (1508 words)

 Light   (Site not responding. Last check: 2007-11-07)
Visible light penetrates into the ocean, but once past the sea surface, light is rapidly weakened by scattering and absorption.
Absorption can be caused by phytoplankton which use the light for photosynthesis, particulate matter in the water, dissolved material in the water, or the water molecule itself.
The light energy of some colors is absorbed nearer to the sea surface than the light energy of other colors.
www.punaridge.org /doc/factoids/Light/Default.htm   (315 words)

 Modern light
The study of light from ancient Greek times up to the revolutionary breakthrough by Maxwell is studied in the article Light through the ages: Ancient Greece to Maxwell.
Although he could detect no difference in the time taken by the two rays of light, this was put down to his experiment not being accurate enough or that the earth dragged the aether with it in much the same way that it drags the atmosphere.
Lord Rayleigh made an important contribution to light in 1899 when he explained that the sky is blue, and sunsets are red, because blue light is scattered by molecules in the earth's atmosphere.
www-groups.dcs.st-and.ac.uk /~history/HistTopics/Light_2.html   (2544 words)

Light has been described as a wave because the movement of light was seen as being similar to an ocean wave.
Circles of Light: The Mathematics of Rainbows at the University of Minnesota
Learn about the way that light moves through space, time, and how light is seen by the eye, how the image is transmitted to the brain, and how the brain interprets the image.
www.42explore.com /light.htm   (980 words)

 Light   (Site not responding. Last check: 2007-11-07)
Light is a small, but important part of the electromagnetic (EM) spectrum.
Light and all EM radiation are composed of small parcels called photons.
The speed of light in air changes with the temperature and pressure and humidity of the air, not enough perhaps for our eyes to detect, but enough to upset sensitive optical instruments.
www.thespectroscopynet.com /Educational/Light.htm   (431 words)

 Digital Photography Tips - Light Usage
The use of light in a photograph can be the deciding factor of whether that picture will be spectacular or terrible.
In this photo on the left the light is striking the statue's face from the rear right of the camera and this adds more depth to the picture.
In doing this it is important to take your camera light reading off of the background instead of the subject in order for the camera to adjust for an exposure based on the backlight.
www.picturecorrect.com /photographytips/Light.htm   (537 words)

 SPACE.com -- Spacewatch Friday: False Dawn: All about the Zodiacal Light
The Zodiacal Light is caused by an enormous cloud of cosmic dust extending outward from the Sun and past the orbit of the Earth.
Hence the reason for the name "zodiacal" light, is because it is usually seen projected against the zodiacal constellations, which were conjured by astronomers and poets to fit the ecliptic.
This is a very faint oval patch of light about 10 to 20 degrees long and 6 to 8 degrees wide (overall, comparable in size to the Great Square of Pegasus) and situated exactly on the ecliptic at that point diametrically opposite to the Sun in the sky.
www.space.com /spacewatch/zodiacal_light_021101.html   (1102 words)

 Physics4Kids.com: Light & Optics: Introduction
To understand light you have to know that what we call light is only a specific type of light called visible light.
Visible light is near the middle of the spectrum.
Light moves at about 124,000,000 meters per second (less than half the speed in a vacuum) in a diamond.
www.physics4kids.com /files/light_intro.html   (428 words)

 Visible Light Waves
When white light shines through a prism or through water vapor like this rainbow, the white light is broken apart into the colors of the visible light spectrum.
Light bulbs are another source of visible light waves.
However, since visible light is the part of the electromagnetic spectrum that our eyes can see, our whole world is oriented around it.
imagers.gsfc.nasa.gov /ems/visible.html   (691 words)

Light - the primary source of energy for the universe - is the central image of many religions and the photographer's chief resource.
From the relentless power of full sun over water to the beam from a single candle, it is light photographers play with, light in its many moods and manifestations that we capture on film.
Because the character and quality of a photograph can be altered by the character and quality of light, even the most-seasoned photographers puzzle over how a scene should be lit, what lighting angles to use for good results, and what exposure settings will bring out the best detail and tonal shading.
www.photographytips.com /page.cfm/157   (332 words)

 Light Therapy
Light Therapy is a form of vibrational medicine that uses light on the eyes, acupuncture points, meridians, reflex zones, chakras, etc. to communicate the proper frequency for restoring health to the body and electromagnetic fie
Various light instruments emit perceptible light frequencies as well as those beyond the perceptible edge in order to balance the physical body.
Light instruments of the visible spectrum, infrared, UV and laser are applied via acupuncture points, meridians, reflex zones and the chakra system.
www.luminanti.com /light.html   (858 words)

 : Class Light
Light is defined in terms of the red, green, and blue components that combine to create the light color.
Lighting needs to be explicitly enabled with the setEnable method or with the lightOn parameter in the constructor before any of the child light sources have any effect on illuminating the scene.
If lighting is not enabled, the current color of an object in the scene is simply mapped onto the object, and none of the lighting equations regarding Material properties, such as ambient color, diffuse color, specular color, and shininess, are performed.
java.sun.com /products/java-media/3D/forDevelopers/J3D_1_2_API/j3dapi/javax/media/j3d/Light.html   (2377 words)

 Light Filter   (Site not responding. Last check: 2007-11-07)
Moves the focus for cone lights or the origin for point lights that are applied with the Light filter.
When a light effect is created, it has a default ambient light associated with it.
This example uses the Light filter and the addCone method to apply a red cone filter to a div element.
msdn.microsoft.com /workshop/author/filter/reference/filters/light.asp   (512 words)

 Reference Library - Science - Light
Light, whether from the sun or some object, travels in a straight line.
The light bounces off, or reflects back, at the same angle that it hit the surface.
When you look in a mirror, you see yourself because the light shining on your body is reflected from the mirror back to your eyes.
www.kidport.com /RefLib/Science/Light/Light.htm   (260 words)

Light can be added to a scene where none existed before just as if you were adding light at the time of shooting.
Normally used in front of lights during photography, these same exact patterns can now be applied digitally to the entire image or inside a selection.
There are 567 patterns to choose from including blendables, breakups, Christmas, cityscapes and towns, clouds, fences and openings, fire and water, flags, flowers, foliage, holidays and symbols, moons, natural elements, religion, signage, sky and stars, spirals, spotlights and pinspots, stones and brick, structures and sets, themes, trees, vignettes and windows.
www.digitalfilmtools.com /light/index.htm   (277 words)

 Light - photo.net   (Site not responding. Last check: 2007-11-07)
Street lights are not flbody radiators so you can't even talk about their color temperature.
We expect light to come from above, either because that's where the sun is or because a lot of buildings and houses have overhead lights.
Neil Blatnick, October 16, 2003; 11:32 A.M. For soft lighting, I have used a large (12 - 15 inch) circular clamp (forget what they are called but they are used to help sew patterns onto stretched cloth) with a soft, white, fabric material placed in front of a flash unit (8 inches).
photo.net /learn/making-photographs/light   (6622 words)

 Howstuffworks "How Light Works"
We are, in fact, seeing light -- light that somehow left objects far or near and reached our eyes.
Light is all our eyes can really see.
The other way that we encounter light is in devices that produce light -- incandescent bulbs, fluorescent bulbs, lasers, lightning bugs, the sun.
science.howstuffworks.com /light.htm   (265 words)

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