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Topic: Light Zone


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In the News (Thu 24 Dec 09)

  
  Zone plate - Wikipedia, the free encyclopedia
Zone plates produce equivalent diffraction patterns no matter whether the central disk is opaque or transparent, as long as the zones alternate in opacity.
where n is an integer, λ is the wavelength of the light the zone plate is meant to focus and f is the distance from the center of the zone plate to the focus.
Zone plates are also used in photography in place of a lens or pinhole for a glowing, soft-focus image.
en.wikipedia.org /wiki/Zone_plate   (687 words)

  
 Light Zone   (Site not responding. Last check: 2007-11-03)
The Light Zone was completely dominated by His Divine Shadow and the League of 20,000 Planets, while the Dark Zone was the universe of chaos and disorder.
The Light Zone was destroyed by Mantrid when he moved too much mass into the center of the universe too quickly.
This created a wormhole into the Dark Zone, which subsequently destroyed all of Mantrid's drones and what little of the Light Zone was left.
bopedia.com /en/wikipedia/l/li/light_zone.html   (122 words)

  
 Zone Plate
A Zone Plate for 46mm focal length and f/stop of f/64, like the one I use on my Nikon SLR, would have a total of 10 rings and have a total diameter of 1mm which is just under 40 thousands of a inch.
A zone plate is much faster than a pinhole, how much faster depends on the number of clear rings the zone plate has and the density (base+fog) of the clear rings.
That fastness is paid by having less "sharpness" than a pinhole, that lack of sharpness is due the large amount of light the zone plate let through un-diffracted, which causes highlights to have a ghostly effect.
ca.geocities.com /penate@rogers.com/zoneplate.html   (1020 words)

  
 Zone System
The meter averages all the light values and places the result as a neutral reading that will produce average shades of tone when the film is processed normally.
ZONE 4 = This is average dark leaves on trees, blue jeans, brown hair or a dark stone or a shadow on a landscape (grass).
ZONE 8 = Very white - Whites with faint texture - this is direct noon sun on a clear day on a white reflective surface, something that hurts the eyes to look at as snow or sand or white clothes.
www.scphoto.com /html/zone.html   (1179 words)

  
 Sonic the Hedgehog (16-bit) - Wikipedia, the free encyclopedia
The Green Hill Zone would also once feature chequered boulder(s) that would chase Sonic similar to the scene from Indiana Jones, the boulder design became the wrecking ball used in the zone's boss battle.
Scrap Brain Zone was originally named "Clock Work Zone", although due to the lack of a W in the title cards, the only existing Beta screenshots show it as "Clock ork Zone." It also had a different background in Act 1 and also had diagonal conveyor belts.
Labyrinth Zone was originally the second stage, but was later moved toward the end of the game, due to its difficulty.
en.wikipedia.org /wiki/Sonic_the_Hedgehog_(16-bit)   (4418 words)

  
 National Arboretum - USDA Plant Hardiness Zone Map
Zones 2-10 in the map have been subdivided into light- and dark-colored sections (a and b) that represent 5 F (2.8 C) differences within the 10 F (5.6 C) zone.
The light color of each zone represents the colder section; the dark color, the warmer section.
There are also island zones that, because of elevation differences, are warmer or cooler than the surrounding areas and are given a different zone designation.
www.usna.usda.gov /Hardzone   (645 words)

  
 Zone System for M
Light areas in the scene become dark areas on the negative and dark areas on the negative restrict light when printed on photo paper leaving it light.
Incident light is reflected from or absorbed by objects in the scene.
When measuring light with an incident meter be certain that your body does not shadow any of the light that would otherwise be falling on the meter.
www.rondexter.com /professional/zone_system/zone_system_for_motion_pic.htm   (1740 words)

  
 A simplified zone system for making good exposures
The charts below are derived from an equation intended to make zone 5 on a properly calibrated monitor appear as subjective middle gray— about 21% of the maximum screen brightness level, similar to middle gray on a print (18% reflectance referenced to 90% white).
The key to the Zone system is visualizing how you want areas of the scene to appear in the final image, or in the language of the Zone system, where you want to "place" them.
Because of flare light, it is generally unwise to meter from regions darker than zone 3.
www.normankoren.com /zonesystem.html   (5709 words)

  
 Ryusei Ningen Zôn
Six aliens, the Zone Family, come to earth after their planet, Peaceland, is destroyed by the Garoga Army, a race of goblin like creatures with long antennae.
Zone Angel and Zone Junior pilot an aircraft called Smokey, firing the "Smokey Beam" at the monsters or they fly under their own power and fire proton beams at the monsters.
Zone Fighter is powered by solar radiation (revealed in episode 5), however during combat he cannot absorb sunlight fast enough (probably because of the Earth's atmosphere reducing the amount of solar radiation which gets through) so he requires a charged energy capsule as a back up power supply.
incolor.inetnebr.com /stuart/zone   (864 words)

  
 Correlating exposure zones with light-units   (Site not responding. Last check: 2007-11-03)
Because Zone 1 is defined as the first usable amount of density to strike film, the amount of light necessary to provide a Zone 1 exposure for a given film-developer combination is called 1 light-unit.
Since sequential additional exposure zone requires twice as much light as the preceding exposure zone, the numbers double in a familiar progression from zone 1 through zone 10.
Zone 0 receives half as ligth as zone 1, hence zone 0 get one-half light-unit of exposure.
www.zonesystem.com /chapter8/b.html   (92 words)

  
 Fort Bend Light Zones Changed - Ordinance Wording Comes Next - FortBendNow
Zone LZ1 is the closest and most restrictive zone as far as allowable outdoor illumination, followed by LZ2 and LZ3.
Safety through lighting is paramount, but we should not sway to irresponsible businesses for unnecessary lighting that shines more light upwards than downwards because it is cheaper and easier.
More lighting restrictions are imposed the closer a property is to the George Observatory in the county’s southeast corner.
www.fortbendnow.com /news/1297/county-light-ordinance-map-changes-wording-comes-next   (1354 words)

  
 Shade, Light and Form Modeling
While secondary light sources can illuminate shade zones, the contrast of intensely illuminated light zones precludes any part of the shade zone from being as light as any part of the light zone.
The area along the boundary between shade and light where there is a visible mix between shade and light.
Reflected light influences color or lightness level on all parts of the form, but its influence is most evident in the shade zone.
www.art.net /~rebecca/ShadeDefinitions.html   (767 words)

  
 Entertainment agency UK Light Zone Productions - acts and artistes for functions clubs cabaret theatre parties ...
Light Zone Productions may use the information you supply to customise the content you see in order to provide you with information, and to contact you about, provision of information and/or services and for feedback.
Light Zone Productions may transfer information about you if Light Zone Productions acquires, or is acquired by or merged with, another company.
Light Zone Productions may amend this policy from time to time and as such you are advised to re-visit this page periodically and in the event we change the way we use your personal information we will notify you through our web pages or contact you via your email supplied.
www.light-zone.com /privacy.html   (711 words)

  
 BBC News | SCOTLAND | Red light zone in city
However, the Aberdeen zone is mainly in an industrial and commercial part of the harbour.
Despite prostitutes being given strict guidelines, such as when they could congregate and how many people were permitted in the area, complaints forced the initiative to be abandoned.
Residents threatened court action if the zone was not moved on.
news.bbc.co.uk /1/hi/scotland/1787310.stm   (235 words)

  
 The Zone System
A Zone System is a system by which you understand and control every level of light and dark to your best advantage.
In the 1970s through today the Zone System for film became more involved with printing as people tended to shoot rolls of film that are developed all at once and print on variable contrast paper.
The Zone System is useful here because it tells you before you waste a lot of film that you are probably going to get garbage and thus you can plan or change the light or filtration accordingly.
www.kenrockwell.com /tech/zone.htm   (2026 words)

  
 Ocean Light Zones   (Site not responding. Last check: 2007-11-03)
he ocean can be divided from its surface to its depth into three zones based on the amount of light received.
Animals that live in the twilight zone include: lantern fish, rattalk fish, hatchet fish, viperfish, and mid-water jellyfish.
Ninety percent of the ocean is in the midnight zone.
www.mbgnet.net /salt/oceans/zone.htm   (257 words)

  
 Zone Plate (archive copy)
This mixing of light and darkness is due to a very important physical characteristic of the light and all waves phenomena for that matter, that characteristic is called DIFFRACTION.
Glass lenses effectively focus light by their use of the REFRACTION of light caused when light passes through mediums having different densities (air and glass usually), Zone Plates use DIFFRACTION to achieve the same purpose.
That fastness is paid by having less "sharpness" than a pinhole, that lack of sharpness is due to a good amount of light the zone plate let through un-diffracted, which causes highlights to have a ghostly effect.
medfmt.8k.com /mf/zoneplate.html   (1440 words)

  
 Deep sea predator creates red light zone - deep-sea - 08 July 2005 - New Scientist   (Site not responding. Last check: 2007-11-03)
The scarlet lures on this fragile predator suggests that red light, thought to be invisible to animals at these depths, may in fact be important in deep sea ecology.
Bioluminescence in this group is common, but biologists previously thought that the light acted as a defence mechanism, to distract or disorient predators.
It makes a lot of sense if you are somewhere where your prey is not very dense." Of the three species the team found, two had remnants of fish in their bellies.
www.newscientist.com /channel/earth/deep-sea/dn7638-deep-sea-predator-creates-red-light-zone.html   (472 words)

  
 Welcome to Light Zone:: The Lagest Showroom in Chennai, Fancy Hanging and Wall Fitting, Indoor and Outdoor Lighting ...
Outdoor lighting typically is an investment that pays off in the value it adds to a home.
Light Zone is the place for a wide variety of Fans, including Ceiling Fans Window Fans, Floor Fans, Stand Fans, and Table Fans.
Light Zone brings you a wide range of stylist Mobiles Phone and its Accessories.
www.lightzone.in   (152 words)

  
 Reef HQ - Exhibits - Light Zone   (Site not responding. Last check: 2007-11-03)
Discover why light is important to the living reef and how animals use their vibrant colours to their advantage.
Light is necessary for the survival of reef- building corals.
The tiny plants (zooxanthellae) living within the corals’ tissues use light to make substances that the corals need to survive and grow.
www.reefhq.com.au /exhibits/light   (180 words)

  
 BBC NEWS | UK | England | Merseyside | Red light zone plan faces the axe
She said a "managed" zone would be different to a "tolerance" zone where prostitutes would be allowed a virtual free rein.
She said: "We would be mightily disappointed not to be given the opportunity to pilot a managed zone in the city.
Pauline Daniels, chair of the Residents Against Prostitution group in Everton, said she was happy the red light zone plan might not go ahead.
news.bbc.co.uk /go/rss/-/2/hi/uk_news/england/merseyside/4564832.stm   (390 words)

  
 KoiVet.com - Zone Hardiness & Light requirements
These plants are considered hardy for the zone that is listed after each variety name.
These zone hardiness chart is believed to be accurate.
In zones where they are not hardy they can be brought inside the home for the winter.
koivet.com /html/articles/articles_details.php?article_id=124&...   (707 words)

  
 Chapter 17.68 M-20 LIGHT INDUSTRIAL ZONE REGULATIONS
The provisions of this chapter shall be known as the M-20 light industrial zone regulations.
The M-20 zone is intended to create, preserve, and enhance areas containing manufacturing and related establishments with limited external impact within an open and attractive setting, and is typically appropriate to locations adjacent to residential communities.
E. Additional activities which are permitted or conditionally permitted in an adjacent zone, on lots near the boundary thereof, subject to the conditions set forth in Section 17.102.110.
ordlink.com /cgi-bin/hilite.pl/codes/oakland/_DATA/TITLE17/Chapter_17_68_M_20_LIGHT_INDUS.html   (1417 words)

  
 World Builders The Photic Zone Light in the Ocean
The part of the ocean that is penetrated by light is called the photic zone.
The primary producers in a food chain are always autotrophs, organisms that can manufacture their own food, often simple sugars, from the energy and materials in their environments.
They use chlorophyll to manufacture their food, and some auxiliary (helper) pigments to soak up light and give it to the chlorophyll when the water is deep and light is scarce.
curriculum.calstatela.edu /courses/builders/lessons/less/les5/photic_zone.html   (225 words)

  
 Light Zone City: Light Planning in the Urban Context - Wal-Mart
The face of the nocturnal metropolis is marked decisively by light, and the number and variety of the light sources is increasing to the point of "light terror." A well-lit urban space can be very inviting, giving residents and visitors a sense of well-being and security.
A successful lighting design can also give the city at night an identity of its own and accentuate architectural qualities.
In addition to articulating basic planning rules for the outdoor lighting of buildings, traffic routes, and squares, she presents and elucidates new artificial lighting systems and outdoor lamps with the help of examples.
www.walmart.com /catalog/product.gsp?product_id=4364222   (654 words)

  
 Chapter 18.72 LIGHT MANUFACTURING ZONE
It is a further purpose of this district to encourage proper site planning and design of developments in order to minimize traffic congestion, visual impacts, environmental impacts, and other impacts and use conflicts within and beyond the district’s boundaries as enabled through development and performance standards.
Light manufacturing uses shall visually screen the development year-round from adjacent, nonindustrial properties and from adjacent roadways.
Exterior lighting, except for warning or emergency lighting, shall be hooded or shielded so direct illumination shall be confined to the property boundaries of the light source.
www.mrsc.org /mc/bainbridge/bainis18/bainis1872.html   (1988 words)

  
 Sunlit Ocean (Euphotic) Zone - EnchantedLearning.com
The depth of this zone depends on the clarity or murkiness of the water.
Some bottom-dwellers live in the euphotic zone - this zone is defined in terms of light, not depth.
The limpet is a marine invertebrate (a gastropod) with a flattened, cone-shaped shell.
www.enchantedlearning.com /biomes/ocean/sunlit   (1873 words)

  
 Under a Red Light / Zone of Toleration   (Site not responding. Last check: 2007-11-03)
It was a swing - a swing not like that in the famous painting of Fragonard - but one intended to give both participants a greater closeness than they could ever have experienced, and at angles they would once have thought impossible to achieve.
The "zone tolérée" of Geneva I would guess is new.
It was only after writing these accounts of three, now four, Red Light Districts that I realised dishabille‚ is an adopted word in some languages but what it refers to seems to be internationally standard like computer disks and bottle sizes.
dspace.dial.pipex.com /town/terrace/rbd26/redlge.htm   (789 words)

  
 Light Universe - Wikipedia, the free encyclopedia
Most of the matter in the Light Zone was converted into biomechanical drones (Mantrid drones) by Mantrid, who then caused a Big Crunch by summoning all the Mantrid drones to a single spot in the universe to do battle with the Lexx.
Little matter escaped into the Dark Zone, most of it being the Lexx itself.
This page was last modified 03:02, 17 September 2006.
en.wikipedia.org /wiki/Light_Zone   (152 words)

  
 BBC NEWS | England | Merseyside | Approval for first red light zone
England's first prostitution tolerance zone could be set up within months after councillors in Liverpool approved the move.
Up to five areas of the city could be earmarked as vice-friendly zones but council leaders say the locations have not been decided.
Flo Clucas, the council's executive member for housing, social care and health, described the scheme as an "intolerance zone".
news.bbc.co.uk /1/hi/england/merseyside/4207391.stm   (491 words)

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