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Encyclopedia results for Extreme ultraviolet Imaging Telescope

Extreme ultraviolet Imaging Telescope





Encyclopedia results for Extreme ultraviolet Imaging Telescope

  1. Extreme ultraviolet Imaging Telescope

    in ultraviolet extreme ultraviolet . This portion of the spectrum is extremely difficult to reflect ... either using grazing incidence as in a Wolter telescope for imaging X rays or a diffraction ... telescopes Category Ultraviolet telescopes Category Telescope instruments ... mirrors in an EUV telescope are coated with alternate layers of a light spacer element such as silicon ... of up to 50 can be attained. The multilayer technology allows conventional telescope forms ... of the spectrum. Solar imaging with multilayer EUV optics was pioneered in the 1990s by the MSSTA and NIXT ... in the early 1990s that simple imaging of the corona would be scientifically useful most ... spaceborne instruments are used to achieve microscopic changes in the size of the telescope structure ... multilayer telescope to image the full disk of the Sun in EUV was flown by A.B.C. Walker and team ...   more details



  1. Extreme ultraviolet

    defise pdf spie3114 1997 eit.pdf documented in the CCD radiation aging of the Extreme UV Imaging Telescope ...Extreme ultraviolet radiation EUV or XUV is high energy ultraviolet radiation, generally defined to be electromagnetic radiation in the part of the electromagnetic spectrum spanning wavelength s from 120  nm down to 10  nm, and therefore by the Planck Einstein equation having photon s with energies from 10  Electron volt eV up to 124  eV corresponding to 124 nanometer nm to 10  nm respectively . EUV is naturally generated by the solar corona and artificially by plasma physics plasma and Synchrotron light source synchrotron light sources. Its main uses are photoelectron spectroscopy , Extreme ultraviolet Imaging Telescope solar imaging , and EUVL lithography . In air , EUV is the most highly Absorption electromagnetic radiation absorbed component of the electromagnetic spectrum, requiring vacuum high vacuum for transmission. EUV generation Neutral atoms or condensed matter cannot emit EUV radiation. Ionization must take place first. EUV light can only be emitted by electrons which are bound to multicharged positive ions for example, to remove an electron from a 3 charged carbon ion three electrons already removed requires about 65 Electronvolt eV . ref http www.webelements.com webelements.com ref Such electrons are more tightly bound than typical valence electrons . The existence of multicharged positive ions is only possible in a hot dense plasma physics plasma . Alternatively, the free electrons and ions may be generated temporarily and instantaneously by the intense ... below the surface, resulting in heating. See also Extreme ultraviolet lithography . List of plasma physics articles References references DEFAULTSORT Extreme Ultraviolet Category Ultraviolet radiation ... showed positive charging centimeters beyond the borders of exposure while Ultraviolet VUV Vacuum Ultraviolet radiation showed positive charging within the borders of exposure. Studies using EUV ...   more details



  1. Extreme Ultraviolet Explorer

    Infobox Spacecraft Name Extreme Ultraviolet Explorer Image Image EUVE Photo.gif 200px Caption The Extreme Ultraviolet Explorer spacecraft Organization NASA Major Contractors Mission Type Atmospheric observation using UV telescope Satellite Of Earth Orbital Insertion Date Launch 6 7 92 Launch Vehicle Delta II Decay Mission Duration 6 7 92 to 1 31 01 NSSDC ID Webpage http archive.stsci.edu euve EUVE page at NASA STScI MAST Mass Power Orbital elements Semimajor Axis Eccentricity Inclination Orbital Period Apoapsis Periapsis Orbits The Extreme Ultraviolet Explorer EUVE was a space telescope for ultraviolet UV astronomy , launched on June 7, 1992. With instruments for UV radiation between wavelengths of 7 and 76 nanometer nm , the EUVE was the first satellite mission especially for the short wave ultraviolet range. The satellite compiled an all sky survey of 801 astronomical targets before being decommissioned on January 31, 2001. It re entered the atmosphere on January 30, 2002. ref cite press title EUVE spacecraft re enters Earth s atmosphere date January 31, 2002 publisher NASA url http www.nasa.gov home hqnews 2002 02 019.txt ref Image EUVE.jpg thumb left 150px The Extreme Ultraviolet Explorer Spacecraft prior to launch Mission goals The goals of the mission included several different areas of observation using the extreme ultraviolet EUV range of frequencies To make an all sky survey in the extreme ultraviolet band To make a deep survey in the EUV range on two separate bandpasses To make spectroscopic observations of targets found by other missions To observe EUV sources such as hot ... Extreme Ultraviolet Explorer de Extreme Ultraviolet Explorer es Extreme Ultraviolet Explorer fr Extreme Ultraviolet Explorer gl Extreme Ultraviolet Explorer it Extreme Ultraviolet Explorer ja EUVE pl ... spectroscopy To determine whether it would be beneficial to create another, more sensitive EUV telescope ... Space telescopes Category Ultraviolet telescopes Category Artificial satellites formerly orbiting ...   more details



  1. Hopkins Ultraviolet Telescope

    project Ultraviolet Imaging Telescope ref References references External links http praxis.pha.jhu.edu ...File Astro1 sts35 big.jpg right 200px The Hopkins Ultraviolet Telescope HUT was a space telescope designed to make spectroscopic observations in the far ultraviolet region of the electromagnetic spectrum . It was flown into orbit on the Space Shuttle and operated from the Shuttle s payload bay on two occasions in December 1990, as part of Shuttle mission STS 35 , and in March 1995, as part of mission STS 67 . ref cite web title What is HUT and what does it do? url http praxis.pha.jhu.edu instruments what is hut2.html author Bill Blair accessdate 2009 02 22 ref HUT was designed and built by a team based at Johns Hopkins University , led by Arthur Davidsen . ref name hut tech cite web title HUT Technical Summary url http praxis.pha.jhu.edu instruments hut info2.html author Bill Blair accessdate 2009 02 22 ref ref cite web title Arthur Davidsen, 57, Johns Hopkins Astrophysicist, Dies url http query.nytimes.com gst fullpage.html?res 9D01E4DB133AF931A15754C0A9679C8B63 author Dennis Overbye publisher New York Times date 2001 07 22 accessdate 2009 02 22 ref The telescope consisted of a 90  cm main mirror used to focus ultraviolet light onto a spectrograph situated at the prime focus . This instrument had a spectroscopic range of 82.5 to 185 nanometer nm s, and a spectral resolution of about 0.3  nm. ref name hut tech HUT was used to observe a wide range of astrophysical sources, including supernova remnants , active galactic nuclei , cataclysmic variable stars, as well as various planets in our Solar System . ref cite web title Achievements of ASTRO 2 url http praxis.pha.jhu.edu ..., 385 observations were made of 265 targets. ref cite web title The Hopkins Ultraviolet Telescope ... Manned space observatories observatory stub de Hopkins Ultraviolet Telescope ... 2009 02 22 ref HUT was co mounted with WUPPE, HIT, and Broad Band X ray Telescope BBXRT on the Astro ...   more details



  1. Extreme ultraviolet lithography

    quality. EUVL optics EUVL is a significant departure from the deep ultraviolet lithography used today. All matter absorbs Extreme ultraviolet EUV radiation. Hence, EUV lithography needs to take place ... defects on extreme ultraviolet EUV masks is currently one of the most critical issues to be addressed ... on LER. EUVL demonstrations File Extreme ultraviolet lithography tool.jpg right thumb 300 px EUVL ... of the first fully integrated laser produced plasma LPP extreme ultraviolet EUV lithography ... compared to a abbr DUV Deep ultraviolet photon, due to higher absorption in resist. In addition, EUV ... nm line space features. However, it must be kept in mind a range of ultraviolet and X ray wavelengths ... Semiconductor Manufacturing to the extreme, http www.photonics.com Article.aspx?AID 40103 ref In July ...   more details



  1. Space Telescope Imaging Spectrograph

    File Aurora Saturn.jpg thumb right STIS camera images Saturn aurora The Space Telescope Imaging Spectrograph STIS is a spectrograph , also with a camera mode, installed on the Hubble Space Telescope . It operated continuously from 1997 until a power supply failure in 2004. After repairs, it began operating again in 2009. The spectrograph has made many important observations, including the first spectrum of the Celestial body atmosphere atmosphere of an extrasolar planet , HD 209458b . The STIS was installed on Hubble in 1997 during its second servicing mission STS 82 by Mark C. Lee Mark Lee and Steven Smith astronaut Steven Smith , replacing the High Resolution Spectrograph and the Faint Object Spectrograph . It was designed to operate for five years. On August 3, 2004 an electronic failure rendered STIS inoperable, ending its use 2 years beyond its predicted lifespan. In order to bring it back to operational status, the instrument was repaired by space shuttle astronauts during STS 125 , Servicing Mission 4, launched on May 11, 2009. ref cite web url http www.nasa.gov mission pages hubble servicing SM4 main STOCC update 05172009 FD7.html title Space Telescope Operations Control Center Flight Day 7 date May 17, 2009 publisher NASA ref The STIS has three 1024 1024 detector arrays. The first is a charge coupled device with a 52 52 arc second field of view, covering the visible and near infrared spectrum from 200  nm to 1030  nm. The other two detectors are Multi Anode Multichannel Arrays, each with a 25 25 arc second field of view. One is Cs sub 2 sub Te, and covers the near UV between 160  nm and 310  nm. The other is CsI and covers the far UV between 115  ... stub hu Space Telescope Imaging Spectrograph th tr Uzay Teleskopu ... design detectors publisher Space Telescope Science Institute ref See also Wide Field and Planetary Camera ... Space Telescope Category Hubble Space Telescope Category Space science experiments Category Telescope ...   more details



  1. Katzman Automatic Imaging Telescope

    The Katzman Automatic Imaging Telescope KAIT is an automated telescope used in the search for supernova e. The KAIT is a computer controlled reflecting telescope with a 76 cm mirror and a Charge coupled device CCD camera to take pictures. It is located at the Lick Observatory near San Jose, California . KAIT can take close to 100 images per hour and observe about 1000 galaxy galaxies a night. Discoveries ref http astron.berkeley.edu bait kait.html The KAIT Home Page ref class wikitable sortable Year Supernovae Novae Dwarf Novae Comets 1998 20 4 2 1 1999 40 1 7 1 2000 38 2 0 0 2001 68 3 0 0 2002 82 2 0 0 2003 95 5 0 0 2004 83 0 0 0 2005 82 0 0 0 2006 84 0 0 0 2007 69 0 0 0 2008 77 0 0 0 2009 54 0 0 0 2010 51 0 0 0 References div class references small references div External links Official website astron.berkeley.edu bait kait.html name KAIT Home page coord 37 20 36.04 N 121 38 05.36 W display title Category Telescopes Category Lick Observatory Category Supernovae Category Gamma ray telescopes observatory stub pl Katzman Automatic Imaging Telescope ...   more details



  1. Ultraviolet

    in extreme ultraviolet at 17.1 nm by the Extreme ultraviolet Imaging Telescope Ultraviolet UV light ... Low LUV 100 88 nm 12.4 14.1 eV Super SUV 150 10 nm 8.28 124 eV Extreme Extreme ultraviolet EUV 121 10 ... dfn or DUV refers to wavelengths below 300. dfn style font weight bold Extreme Ultraviolet dfn .... In fields such as Analytics and Life Sciences dfn style font weight bold Extreme Ultraviolet dfn ... the ground. The sun emits ultraviolet radiation at all wavelengths, including the extreme ultraviolet where it crosses into X rays at 10 nm see false color photograph of the Sun in extreme ... 2011 ref 13.5  nm Extreme Ultraviolet Lithography 230 365  nm UV ID, label tracking, barcode ... pole as seen in ultraviolet light by the Hubble Space Telescope . In astronomy , very hot objects ...For alternative meanings, see ultraviolet disambiguation , UV disambiguation and UVB 76 UVB 76 radio ... . Most ultraviolet is classified as non ionizing radiation . The higher energies of the ultraviolet spectrum from wavelengths about 10  nm to 120  nm extreme ultraviolet are ionizing radiation ionizing , but this type of ultraviolet in sunlight is blocked by normal dioxygen in air, and does ... spectrum of ultraviolet radiation has some of the biological features of ionizing radiation, in doing ... effects an example is sunburn . These properties derive from the ultraviolet photon s power to alter ... thumb 220px Black light fluorescent tubes are a common source of long wave UVA ultraviolet. Although ultraviolet radiation is invisible to the human eye, most people are aware of the effects of UV through sunburn, and in tanning beds. A great deal 97 of mid range ultraviolet almost all ... damage to living organisms if it penetrated the atmosphere. What remains of ultraviolet in sunlight ... throughout the 19th century. The terms chemical and heat rays were eventually dropped in favour of ultraviolet ... ref ref name hockberger Cite journal last Hockberger first P. E. title A history of ultraviolet photobiology ...   more details



  1. Ultraviolet astronomy

    Netherlands Satellite flagicon United States ESA Extreme ultraviolet Imaging Telescope flagicon United States Far Ultraviolet Spectroscopic Explorer FUSE flagicon United States GALEX flagicon United States ESA Hubble Space Telescope flagicon United States ESA International Ultraviolet Explorer ... Space Telescope and Far Ultraviolet Spectroscopic Explorer FUSE have been the most recent major space telescope s to view the near and far UV Electromagnetic spectrum spectrum of the sky, though other UV instruments have flown on sounding rockets and the Space Shuttle . Ultraviolet space telescopes File M101 UIT.gif thumb Astro 2 UIT captures Pinwheel Galaxy M101 with ultraviolet shown in purple ... Burst Mission flagicon United States Hopkins Ultraviolet Telescope flagicon Germany ROSAT XUV ref http ...Image M81 wide Galex.jpg thumb right A GALEX image of the spiral galaxy Messier 81 in ultraviolet light. Credit GALEX NASA JPL Caltech . Ultraviolet astronomy is generally used to refer to observations of electromagnetic radiation at ultraviolet wavelengths between approximately 10 and 320 nanometres shorter wavelengths&mdash higher energy photons&mdash are studied by X ray astronomy and gamma ray astronomy . ref name cox2000 cite book author A. N. Cox, editor title Allen s Astrophysical Quantities year 2000 publisher Springer Verlag location New York isbn 0 387 98746 0 ref Light at these wavelengths ... from the upper atmosphere or from space. ref name cox2000 Ultraviolet line spectrum measurements are used ... information about the Galaxy formation and evolution evolution of galaxies . The ultraviolet Universe ... part of the spectrum. Ultraviolet radiation is the signature of hotter objects, typically in the early and late stages of their stellar evolution evolution . If we could see the sky in ultraviolet ... small references div Astronomy navbox state uncollapsed Category Astronomical imaging Category Observational astronomy Category Ultraviolet radiation astronomy stub date June 2009 needs a lot more ...   more details



  1. Telescope

    120 eV to 120 keV X ray telescope X Ultraviolet 10 nm 400 nm 30 EHZ 790 THz 3 eV to 124 eV Visible ... to reflect Extreme ultraviolet , producing higher resolution and brighter images then otherwise possible ... Ultraviolet telescopes Ultraviolet astronomy 10  nm 400  nm X ray X ray telescope ...Other uses Telescope disambiguation pp move indef File 100inchHooker.jpg thumb right 175px The 100 inch 2.5 m Hooker reflecting telescope at Mount Wilson Observatory near Los Angeles , California. A telescope ... applications and astronomy. Within a few decades, the reflecting telescope was invented, which ... in the 1930s and infrared telescopes in the 1960s. The word telescope now refers to a wide range ... types of detectors. The word telescope from the Greek language Greek wikt , tele far and wikt ... called the telescope occhicde or cannocchiale and now he calls the microscope occhialino. The name telescope was first suggested by Demisiani in 1612 ref ref Reference Sobel 2000 Sobel 2000, p.43 , Reference Drake 1978 Drake 1978, p.196 ref ref Rosen, Edward, The Naming of the Telescope 1947 ref In the Starry Messenger Galileo had used the term perspicillum . History main History of the telescope The earliest recorded working telescopes were the refracting telescope s that appeared in the Netherlands ... sci instruments telescope.html galileo.rice.edu The Galileo Project Science The Telescope by Al ... Metius of Alkmaar... another citizen of Middelburg, Sacharias Janssen had a telescope at about ... after the invention of the refracting telescope. ref http books.google.com books?id 2LZZginzib4C&pg ... and several attempts to build reflecting telescope s. ref Attempts by Niccol Zucchi and James ... telescope, of a design which now bears his name, the Newtonian telescope Newtonian reflector ... known example of a telescope mirror coated by this technique. ref The maximum physical size limit ... radio telescope radio to gamma ray telescope gamma rays . The first purpose built radio telescope ...   more details



  1. Imaging

    wiktionary imaging Imaging is the representation or reproduction of an object s outward form especially a visual representation i.e., the formation of an image . Imaging methodologies and technologies Chemical imaging , the simultaneous measurement of spectra and pictures Digital imaging , creating digital images, generally by scanning, or through digital photography Disk image , a file which contains the exact content of a data storage medium Document imaging , replicating documents commonly used in business Geophysical imaging Medical imaging , creating images of the human body or parts of it, to diagnose or examine disease Magnetic resonance imaging Molecular imaging Optical imaging Personal imaging , real time sharing of personal experience through images Radar imaging , or imaging radar, for obtaining an image of an object, not just its location and speed Reprography , reproduction of graphics through electrical and mechanical means Cinematography Photography , the process of creating still images Xerography , the method of photocopying Speckle imaging , a method of shift and add for astronomical imaging Stereo imaging , an aspect of sound recording and reproduction concerning spatial locations of the performers Thermography , infrared imaging Proper names Imaging for Windows , a software product for scanning paper documents See also Image development disambiguation Image processing Imaging technology disambiguation Imaging science , which includes many fields of science Remote sensing , imaging the Earth or a planet from space or aircraft disambig pl Obrazowanie ...   more details



  1. The Telescope

    Dablink For the Her Space Holiday album see The Telescope album The Telescope was a magazine for amateur astronomy amateur astronomers published between 1931 and 1941. The magazine was first published as a quarterly under the editorship of Harlan Stetson, director of the Perkins Observatory in Ohio. It featured popular articles about contemporary research. In 1934 Stetson moved to Cambridge, Massachusetts and brought the magazine with him. Publishing duties were assumed jointly by the Harvard College Observatory and the Bond Astronomical Club, under the editorship of Donald H. Menzel . The Telescope became a bimonthly publication at this time. ref name CAF citation last Federer first Charles A. title The Story of The Sky magazine Sky and Telescope volume 75 issue pages 461 63 year 1986 date November 1986 url ref In 1941, The Telescope was merged with The Sky magazine The Sky , creating Sky & Telescope magazine, ref name CAF which has remained in publication ever since. References reflist See also Amateur astronomy DEFAULTSORT Telescope, The Category Amateur astronomy Category American magazines Category Monthly magazines Category Science and technology magazines Category Publications established in 1931 Category Publications disestablished in 1941 sci mag stub fi The Telescope ...   more details



  1. Ultraviolet (disambiguation)

    Wiktionary ultraviolet Ultraviolet refers to electromagnetic radiation with a wavelength shorter than that of visible light, but longer than soft X rays. Ultraviolet may also refer to TOC right Film and television Ultraviolet TV serial Ultraviolet TV serial , a 1998 British television miniseries Ultraviolet film Ultraviolet film , a 2006 science fiction film Ultraviolet novel Ultraviolet novel , a 2006 novel adapted from the film Ultraviolet Code 044 , a 2008 Japanese anime based on the film Music Ultraviolet All About Eve album Ultraviolet All About Eve album Ultraviolet Kid Sister album Ultraviolet Kid Sister album Ultra Violet Bananarama album Ultra Violet Bananarama album Ultraviolet Light My Way , a song by U2 Ultraviolet Ballad of Paul K Ultraviolet Ballad of Paul K , a single by McFly Ultraviolet , an album by DJ Antoine Albums DJ Antoine Ultraviolet , a song by Annetenna from Annetenna album Annetenna Ultraviolet , a song by The B 52 s from Funplex Ultraviolet , a song by Karl Bartos from Communication Karl Bartos album Communication Ultraviolet , a song by Romano Musumarra and Claudio Gizzi from Automat album Automat Ultraviolet , a song by Joanna Pacitti from This Crazy Life Other uses Ultra Violet Isabelle Collin Dufresne , French American artist and author, a Warhol superstar UltraViolet system , a digital rights authentication and cloud based licensing system See also UV disambiguation Violet disambiguation lookfrom Ultraviolet intitle Ultraviolet Disambiguation de Ultraviolet fr Ultraviolet homonymie ...   more details



  1. Ultraviolet photography

    No footnotes date April 2009 Ultraviolet photography is a photographic process of recording image s by using light from the ultraviolet UV spectrum only. Overview Image PIA07908.jpg thumb Ultraviolet astronomy Ultraviolet image of the globular cluster NGC 1851 in the southern constellation Columba . Light which is visible to the human eye covers the spectral region from about 400 to 750 nanometer s. This is the radiation spectrum used in normal photography . The band of radiation that extends from about 1  nm to 400  nm is known as ultraviolet radiation . UV spectrographers divide this range into three bands near UV 380 200  nm wavelength abbrev. NUV far UV or vacuum UV 200 10  nm abbrev. FUV or VUV extreme UV 1 31  nm abbrev. EUV or XUV . Only near UV is of interest for UV photography, for several reasons. Ordinary air is opaque to wavelengths below about 200  nm, and lens glass is opaque below about 180  nm. UV photographers subdivide the near UV into Long ... ways to use UV radiation to take photograph s reflected ultraviolet and ultraviolet fluorescence photography. Reflected ultraviolet photography finds practical use in medicine , dermatology ... wave ultraviolet photography. Most modern UV sources are based on a mercury element mercury ... ultraviolet to pass and absorbs all visible light . Examples of these filters are Kodak Wratten ... Ultraviolet Infrared. 1973 Gibson HL, Kodak Company, Rochester, p123 130. ref Ultraviolet fluorescence ... photography. The same ultraviolet light sources as in reflected UV photography, except that a glass filter is used to absorb all the visible light and allow only the desired ultraviolet to pass ... must be placed in front of the camera lens , to exclude residual ultraviolet and allow the resulting .... The FinePix IS Pro Fujifilm FinePix IS PRO DSLR digital SLR camera is purpose designed for ultraviolet ... is made can respond to wavelengths between 1100 190nm. Footnotes references See also Ultraviolet ...   more details



  1. Ultraviolet (novel)

    Infobox Book See Wikipedia WikiProject Novels or Wikipedia WikiProject Books name Ultraviolet image Commented out because image was deleted Image Ultraviolet 2006.jpg 220px Image caption First edition cover author Yvonne Navarro country USA language English language English genre Science fiction , Dystopian novel publisher Warner Books release date 1 March 2006 media type Print Paperback pages 304 pp isbn ISBN 0 446 61654 0 Ultraviolet is a novelization of the science fiction Ultraviolet film film of the same name . It was adapted by Yvonne Navarro from the screenplay written by Kurt Wimmer . The novelization provides more backstory that the film was not able to accomplish. The novel is also based on the original screenplay by Kurt Wimmer before Sony heavily edited it. External links http www.sonypictures.com movies ultraviolet Official Ultraviolet Website imdb title 0370032 title Ultraviolet Category 2006 novels Category American science fiction novels Category Dystopian novels 2000s sf novel stub ...   more details



  1. The Ultraviolet Catastrophe

    The Ultraviolet Catastrophe is a Space Tribe album published in 1998 by Spiritzone . Style Psychedelic Trance Goa Trance Release date 20 January 1998 Album listing All You Need Is Spirit And Nothing Live What U Love The Ultraviolet Catastrophe Know Your Dopefiend The Journey Is The Goal Nuclear Fission Chips The Source Energy External links http www.amazon.com exec obidos tg detail B000003SZ9 free demos wmv or real DEFAULTSORT Ultraviolet Catastrophe, The Category 1998 albums Category Space Tribe albums ...   more details



  1. Ultraviolet communication

    Wikify date June 2010 Butterflies, or members of the Papiloinoidea superfamily, use two ultraviolet signals, UV reflectance or absorbance as a communication system. The ultraviolet region is the part of the electromagnetic ... mating behavior and sex recognition. ref Silberglied RE, Taylor OR. 1973. Ultraviolet differences .... 241 406 408. ref ref Communication in the Ultraviolet Robert E. Silberglied, Annual Review of Ecology and Systematics, Vol. 10 1979 , pp. 373 398 ref Ultraviolet light reflection and absorption in butterflies The ultraviolet communication system has two roles, a sender and a receiver. Butterflies send ultraviolet signals using UV reflectance or UV absorption. The former is accomplished through ... of Eurema lisa by Helen Ghiradella. ref name Ghira Ghiradella, H et al. 1972 Ultraviolet Reflection ... of light with a wavelength within the ultraviolet spectrum. ref name Ghira The other ultraviolet ... containing this pigment, the wings are unable to reflect ultraviolet light as well as without the pigment because the pterins absorb the ultraviolet light. ref Obara Y. et al. 2008 Mate Preference ... UV Color. Zoological Science 25, ppg 1 5. ref Thus, butterflies are able to reflect ultraviolet ... constructive interference and can absorb ultraviolet through the action of pterin pigments. Ultraviolet light reception in butterflies Butterflies receive ultraviolet signals by utilizing a special ... to detect UV light and responds maximally to ultraviolet light at approximately 350  nm. ref name Stavenga Therefore, a visual pigment that responds to ultraviolet light is the mechanism behind ultraviolet light perception. Ultraviolet light and butterfly mating behavior Image White Cabbage ... , use their private ultraviolet communication system to initiate mating behavior. In this species, ultraviolet reflection is sexually dimorphic with females exhibiting the ability to reflect ultraviolet ... an ultraviolet reflection from a female initiate a courtship behavior that involves approaching the female ...   more details



  1. UltraViolet (system)

    POV check date April 2012 UltraViolet UV is a digital rights authentication and Cloud computing cloud ... purchased content to multiple platforms and devices. ref name screenPlays cite web title UltraViolet to Launch Midyear With Rentals now on Roadmap url http www.screenplaysmag.com 2011 01 10 ultraviolet ... Delivery of UltraViolet Entertainment url http www.prnewswire.com news releases akamai demonstrates delivery of ultraviolet entertainment 112986219.html work PR Newswire publisher PR Newswire Association LLC accessdate March 31, 2011 ref UltraViolet adheres to a buy once, play anywhere approach ... Six Questions Ultraviolet s Mitch Singer url http www.homemediamagazine.com electronic delivery six questions ultraviolet E2 80 99s mitch singer 20510 work Home Media Magazine publisher Questex Media Group LLC accessdate April 1, 2011 ref UltraViolet is deployed by the 74 members of the Digital ... with the UltraViolet platform at this time, ref cite web url http techcrunch.com 2010 07 20 dece ultraviolet apple title With DECE s UltraViolet, We re About To See Just How Powerful Apple Really ... but Flixster and others support UltraViolet streaming and download on iPad and iPhone in addition to Microsoft ... own competing Keychest format. User experience Content consumers create a free of charge UltraViolet account, either through a participating UltraViolet service provider, or through the UltraViolet website, with six accounts allowed per household. An UltraViolet account provides access to a Digital ... onto physical media e.g. DVD s, SD card s, flash memory . Once downloaded, an UltraViolet file can be played on any UltraViolet player registered to the household account, but it will not play on devices which are not compatible with UltraViolet. Files can also be streamed over the Internet. Up ... Marc title Hollywood clicks with UltraViolet digital locker url http www.variety.com article VR1118029799 ... Studios Announce Support for UltraViolet Format and Endorse Consumers Right to Interoperability ...   more details



  1. Ultraviolet (film)

    About an actual film called Ultraviolet the digital content system for films UltraViolet system other uses Ultraviolet disambiguation Infobox film name Ultraviolet image Ultraviolet poster.jpg caption ... Ultraviolet is a 2006 American science fiction film science fiction action film written and directed ... ray Disc on June 27, 2006. A Ultraviolet novel novelization of the film was written by Yvonne .... An anime movie titled Ultraviolet Code 044 was released by the Japanese anime satellite television ... http www.animekon.com news 472 Ultraviolet Anime Announced.html title Ultraviolet Anime Announced ... Ultraviolet takes place in 2078, in the years following a global epidemic that causes vampire like symptoms ... Endera Production Image Ultraviolet Pearltower.png thumb right 150px Scene featuring Six Cameron ... not in the trailer ref as well as 24 song 24 by Jem singer Jem . Critical reception Ultraviolet ... http www.rottentomatoes.com m 10004504 ultraviolet title Ultraviolet 2006 accessdate August 14, 2009 ... and forgettable sci fi thriller, Ultraviolet is inept in every regard. ref http www.rottentomatoes.com m 10004504 ultraviolet ref Criticism was levelled at Screen Gems, who apparently edited the fight ... the film which was later restored in the Ultraviolet novel novelization . Citation needed date August ... Ultraviolet Rough Cut.htm Unofficial Equlilibrium Fan Site Article detailing the differences between ... news 1662363 ROTTEN TOMATOES Milla Jovovich On Resident Evil And Her Ultraviolet Beef Bot generated ... box office totals. The budget for Ultraviolet was estimated at 30 million. ref name boxofficemojo ... Movies.go.com http movies.go.com movies movie?name ultraviolet 2005&genre scifi&studio Sony ... grossing DVD rentals where Ultraviolet is featured at 37 as of September 17, 2006 grossing 35.1 million ref The DVD includes A four part Documentary film documentary UV Protection The Making of Ultraviolet .... See also Ultraviolet Code 044 animated series based on the film Ultraviolet novel Ultraviolet novel ...   more details



  1. Harmony in Ultraviolet

    Infobox Album See Wikipedia WikiProject Albums Name Harmony in Ultraviolet Type Album Artist Tim Hecker Cover TimHeckerHarmonyInUltraviolet.jpg Released October 16, 2006 Recorded Genre Ambient music Ambient , Noise music Noise , Drone music Drone Length 49 53 Label Kranky Records Kranky small krank102 small Producer Reviews Allmusic Rating 4 5 Allmusic class album id r855010 pure url yes link Pitchfork Media 8.7 10 http www.pitchforkmedia.com article record review 38992 Tim Hecker Harmony in Ultraviolet link Last album Mort Aux Vaches Tim Hecker album Mort Aux Vaches br 2005 This album Harmony in Ultraviolet br 2006 Next album An Imaginary Country br 2009 Harmony in Ultraviolet is Tim Hecker s fourth full length album, released on October 16, 2006 by Kranky Records Kranky . Critical reaction The album was generally praised by critics, with Pitchfork Media writer Mark Richardson saying cquote Harmony in Ultraviolet is sensual body music of a very particular kind, and it s the sort of record that asks a lot. But if you trust it and go along, it knows exactly where to lay its hands. Track listing Rainbow Blood 1 53 Stags, Aircraft, Kings and Secretaries 4 31 Palimpsest I 0 36 Chimeras 3 14 Dungeoneering 5 25 Palimpsest II 0 39 Spring Heeled Jack Flies Tonight 3 11 Harmony in Blue I 1 32 Harmony in Blue II 1 53 Harmony in Blue III 2 41 Harmony in Blue IV 2 03 Radio Spiricom 4 52 Whitecaps of White Noise I 7 30 Whitecaps of White Noise II 5 57 Blood Rainbow 4 06 External links http brainwashed.com common htdocs discog krank102.html Kranky s Harmony in Ultraviolet page Tim Hecker Category 2006 albums Category Tim Hecker albums Category Kranky Records albums 2000s electronic album stub ...   more details



  1. Ultraviolet divergence

    refimprove date July 2008 merge UV completion date October 2010 In physics , an ultraviolet divergence is a situation in which an integral , for example a Feynman diagram , diverges because of contributions of objects with very high energy approaching infinity , or, equivalently, because of physical phenomena at very short distances. An infinite answer to a question that should have a finite answer is a potential problem. The ultraviolet UV divergences are often unphysical effects that can be removed by regularization physics regularization and renormalization . If they cannot be removed, they imply that the theory is not perturbative ly well defined at very short distances. The name comes from the earliest example of such a divergence, the ultraviolet catastrophe in understanding blackbody radiation . According to then current theory of radiation , in this case, light , the quantity of energy released at any specific wavelength should increase with decreasing wavelength that is, there should be considerably more ultraviolet light released from a blackbody radiator than infrared light . Measurements showed the opposite the most energy was released at wavelengths between the two extremes, which suggested classic mechanics simply didn t describe the phenomenon correctly. This problem led to the development of quantum mechanics . The success of the attack on the original ultraviolet catastrophe has led to the technique being widely applied in modern physics. A similar problem applying quantum field theory to electromagnetism was famously solved through the use of renormalization ... standard model of particle physics . Ultraviolet divergences remain a key process in the exploration of new physical theories, like supersymmetry . A successful attack on an ultraviolet divergence is known as ultraviolet completion . Reason for ultraviolet divergence according to Bjorken and Drell ... DEFAULTSORT Ultraviolet Divergence Category Quantum field theory Category Renormalization ...   more details



  1. Ultraviolet index

    Refimprove date July 2011 The ultraviolet index or UV Index is an international standard measurement of the strength of the ultraviolet UV radiation from the sun at a particular place on a particular day. It is a scale primarily used in daily forecasts aimed at the general public. Its purpose is to help people to effectively protect themselves from UV light, of which excessive exposure causes sunburn s, human eye eye damage such as cataract s, skin aging, and skin cancer see the section Ultraviolet Human health related effects of UV radiation health effects of ultraviolet light . Public health organizations recommend that people protect themselves for example, by applying sunscreen to the skin and wearing a hat when the UV index is 3 or higher see the table below for complete recommendations. Description The UV index is a linear scale, with higher values representing the risk level of skin damage due to UV exposure. An index of 0 corresponds to zero UV irradiation, as is essentially the case at nighttime. While an index of 10 corresponds roughly to midday sun and a clear sky, indices greater than 11 are quite common in the southern hemisphere where the ozone depletion Ozone layer is depleted . The numbers are related to the amount of UV radiation reaching the surface of the earth , measured in Watt W Square metre m sup 2 sup , but the relationship is not simple see below for definition because UV power is spread unevenly over a spectrum of wavelengths the shorter wavelengths are much more damaging. By weighting their effect the index aims to create a number that cannot be expressed in physical units, but is a good indication of likely skin damage. While the UV index can be calculated from a direct measurement of the UV spectral power at a given place, the value given in weather ..., sunglasses, and a hat. Do not stay out in the sun for too long. align center bgcolor 6B49C8 11 Extreme ... Ultraviolet radiation Category Prevention Category Scales ar ca ndex de ...   more details



  1. Extreme

    wiktionary extreme Uses for the term extreme , which is sometimes spelled xtreme , include Geography and astronomy Extremes on Earth List of extrasolar planet extremes Mathematics Extreme value , the largest or smallest element of a set Science and technology Science Extreme weather , severe or unseasonal weather Extremism , ideas or actions beyond what is deemed acceptable Extremophile , an organism which thrives in or requires extreme Technology Extreme Networks , a California based networking hardware company Extreme Programming , a software engineering methodology Xtreme Mod , a peer to peer file sharing software for Windows based on eMule Sports and entertainment Sports Extreme sport , a sport featuring speed, height, danger or spectacular stunts Extreme skiing Extreme Sports Channel , a Netherlands television channel Extreme Championship Wrestling , a former wrestling promotion Xtreme ... grass system Music Extreme band , an American band Extreme album Extreme album , an album by Extreme ... Extremes album , an album by Collin Raye Extreme Records , a record label Agostino Carollo or X Treme, an Italian singer, DJ, and producer Entertainment Extreme CSI Miami Extreme TV series Going to Extremes , a UK television series Extreme Travel Channel series , a US television series Extreme Associates , an adult film production company Dance Dance Revolution Extreme , a music video game by Konami Extreme Paintbrawl , a first person shooter video game Dance Dance Revolution Extreme North America Dance Dance Revolution Extreme North America , a music video game by Konami Literature Extreme Studios , a defunct studio of Image Comics Adam X the X Treme , a Marvel Comics character Extreme , an autobiography by Sharon Osbourne Other uses Extreme Pita , a Canadian based restaurant chain Chevrolet ... es Extremo gl Extremo it Extreme disambigua ja pl Extreme simple Extreme sk Extr m fi Extreme zh Extreme ...   more details



  1. Ultraviolet catastrophe

    Image blackbody lg.png thumb 303px The Ultraviolet catastrophe is the error at short wavelengths in the Rayleigh Jeans law depicted as classical theory in the graph for the energy emitted by an ideal black body. The error, much more pronounced for short wavelengths, is the difference between the black curve the wrong curve predicted by the Rayleigh Jeans law and the blue curve the correct curve predicted by Planck s law . The ultraviolet catastrophe , also called the Rayleigh Jeans catastrophe , was a prediction of late 19th century early 20th century classical physics that an ideal black body at thermodynamic equilibrium thermal equilibrium will emit radiation with infinite power. The term ultraviolet catastrophe was first used in 1911 by Paul Ehrenfest , although the concept goes back to 1900 with the first derivation of the math lambda 4 math dependence of the Rayleigh Jeans law the word ultraviolet refers to the fact that the problem appears in the short wavelength region of the electromagnetic spectrum . Since the first appearance of the term, it has also been used for other predictions of a similar nature, as in quantum electrodynamics and such cases as ultraviolet divergence . Problem The ultraviolet catastrophe results from the equipartition theorem of classical statistical mechanics which states that all harmonic oscillator modes degrees of freedom of a system at equilibrium have an average energy of math kT math . An example, from Mason s A History of the Sciences , ref cite book last Mason, MA, PhD first Stephen authorlink Stephen F. Mason title A History of the Sciences publisher Collier Books year 1962 location New York, NY pages 550 isbn ref illustrates multi mode vibration via a piece of string. As a Standing wave natural vibrator , the string will oscillate ... textbooks, present an incorrect version of the history of the ultraviolet catastrophe. In this version ... 16433 X pages 624&ndash 626 DEFAULTSORT Ultraviolet Catastrophe Category Foundational quantum physics ...   more details



  1. To the Extreme

    Infobox album See Wikipedia WikiProject Albums Name To the Extreme Type Album Artist Vanilla Ice Cover Vanilla Ice To the Extreme album cover .JPG Released August 28, 1990 Recorded 1989 1990 Genre Hip ..., Khayree, Darryl Williams Last album This album To the Extreme br 1990 Next album Mind Blowin br 1994 Misc Singles Name To the Extreme Type studio Single 1 Play That Funky Music Single 1 date April 25, 1990 Single 2 Ice Ice Baby Single 2 date July 2, 1990 Single 3 I Love You Single 3 date 1990 To the Extreme ... . Although reviews of the album were mixed, To the Extreme spent 16 weeks at the top of the Billboard ... version of To the Extreme under the title Hooked on Ichiban Records . ref cite web url Allmusic ... Winkle signed to SBK Records , who reissued Hooked under the title To the Extreme . The reissue contained ... Huey cite web url Allmusic class album id r28388 pure url yes title Review of To the Extreme accessdate ... Ice To The Extreme SBK journal Smash Hits publisher EMAP EMAP Metro issue 12 25 December 1990 page ... List Automatically Moved by DASHBot To the Extreme became the fastest selling hip hop music ... Billboard cite web url Allmusic class album id r28388 pure url yes title Charts and awards for To the Extreme ... ref To the Extreme was the best selling hip hop album up until that time. ref cite book last1 Perkins ... ref Reviews of To the Extreme were mixed. Entertainment Weekly reviewer Dom Lombardo gave the album ... title Review of To the Extreme accessdate 2009 02 13 last Udovitch first Mim date November 2, 1990 ... of To the Extreme accessdate 2009 03 07 last Christgau first Robert year 1990 publisher The Village ... 1 24 Track listing headline To the Extreme extra column Producer s total length 57 22 writing credits ... 1 09 Personnel The following people contributed on To the Extreme ref cite web url Allmusic class album id r28388 pure url yes title Credits for To the Extreme accessdate 2009 03 07 publisher Allmusic ... To The Extreme Category 1990 debut albums Category Vanilla Ice albums Category SBK Records albums pt ...   more details




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