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Invisible biography, Invisible discography
For other uses, see Invisible (disambiguation).An object in this state is said to be invisible (literally, "not visible").However, its effects can also be seen in the real world, particularly in physics and perceptional psychology.Since objects can be seen by light in the visible spectrum from a source reflecting off their surfaces and hitting the viewer's eye, the most natural form of invisibility (whether real or fictional) is an object which neither reflects nor absorbs light (that is, it allows light to pass through it).Thus an object can be classified as "invisible to" a person, animal, instrument, etc.Invisibility by environment
An object may be classified as "invisible" if it cannot be noticed by use of sight due to environmental factors other than the fact that it doesn't reflect light.An object that might normally be seeable may be classified as invisible if it is:
Behind an object.Invisibility in physics
Theoretical and practical physics offer several causes of invisibility.An object may be invisible if it is:
So massive that its escape velocity exceeds the speed of light (such objects are called black holes)
Transparent (such as air and many other gases)
Emitting or reflecting light outside the wavelength range of visible light.Radiation is generally invisible by this means.Imperial College London has shown that invisibility is possible by using specifically patterned crystals made up of nanoscale boxes that hold electrons.Theoretically, it is possible to make an object invisible, if the object has the same refractive index as the surrounding medium (e.This is the mechanic used in HG Well's The Invisible Man.In some science fiction stories, a hypothetical "cloaking device" is used to make objects invisible.On Thursday October 19, 2006 a team effort of researchers from Britain and the U.In filmmaking, people, objects, or backgrounds can be made to look invisible on camera through a process known as chroma keying.Comparing light waves to the water and whatever object that is being "cloaked" to the stone, the desire is to have light waves pass around that object, leaving no visible aspects of it, possibly not even a shadow.This is the technique utilized in the most recent television portrayal of The Invisible Man.Typically, people or objects can be rendered completely invisible by several means:
Magical objects such as rings, cloaks and amulets can be worn to grant the wearer permanent invisibility.Magical potions can be consumed to grant temporary invisibility.Some mythical creatures can make themselves invisible at will, such as some versions of Leprechaun, and Chinese dragons in some tales, which can shrink so small that humans cannot see them.In the Artemis Fowl series, fairies can become invisible, or shield, by vibrating faster than the eye can see.The Incredibles, where Violet Parr can only turn her clothing invisible when it has been specially made to allow it.Simultaneous invisibility and colour
Since something that is invisible has no colour associated with it, it is somewhat paradoxical to imagine an object that is both invisible and coloured.This idea is most famous in the parody goddess, the Invisible Pink Unicorn.Sight while invisible
According to the laws of physics as presently understood, a perfectly invisible person would necessarily be blind, no matter how their invisibility were achieved.In order to see light, it must be absorbed by the retina, but in order for a person to be invisible, the body must not absorb light.So to retain sight at least pupil sized holes in the cloak would be necessary in front of the pupils and directly behind them on the back of the person as light isn't being transmitted through.This physical barrier appears to offset the advantage of any perfect invisibility method, unless one's intent was simply to hide and be still, letting the danger pass.Alternatively, many works of fiction portray invisibility as a magic achievement, and since paranormal magic may be interpreted as breaking the laws of physics, it could theoretically allow sight.Grand Admiral Thrawn's cloaking devices make the ships wielding them invisible, but also prevent those inside the ship from seeing out.See the beginning of Specter of the Past for an example of this tactic.In the video game Quake, picking up a magic ring turns the player invisible to monsters for thirty seconds.In the Middle Ages, fern seeds were thought to be invisible since ferns don't have seeds.Historically, creatures such as goblins and brownies have also been described as invisible or able to become invisible.Currently, many entities or phenomena whose existence is disputed, such as ghosts, demons, qi, and auras, are also ascribed invisibility.In religion, gods, goddesses, angels and demons are commonly thought to be invisible, at least part of the time.Please help improve this list.The idea of being unseen and hence undetectable has fascinated mankind for generations.Mythology and folklore
In many myths and legends, gods, spirits, fairies, angels, and demons are often invisible or can choose to become invisible at will.The ring of Gyges is described in a story in Plato's The Republic.Plato has him enter the palace, seduce the queen, and plot to kill the king, arguing that power, such as this, corrupts absolutely.The hero Perseus went equipped with a cap of invisibility to kill Medusa.In German fairy tales, magical caps called tarnkappes are worn by dwarfs.The caps can make an entire village of dwarfs invisible.Mystery (1859) by Fitz James O'Brien
The Crystal Man (1881) by Edward Page Mitchell
The Damned Thing (1894) by Ambrose Bierce
The Horla (1897) by Guy de Maupassant
The Invisible Man (1897) by H.Tolkien's The Lord of the Rings series was to render the user invisible.Unfortunately, it had an evil influence with negative effects on the wearer's actions.The Philadelphia Experiment (1984) is a movie about an attempt to make a ship invisible.While a concentrated look in optimal lighting conditions can spot it, it still makes the wearer extremely hard to see which eases stealth movement.In comic books, there are superheroes such as the Invisible Woman (who can bend light around herself without distortion) that have the power to become invisible at will as well as magicians like Doctor Strange who have invisibility spells in their possession.In the film Hollow Man (2000), an injection is tested on animals (and eventually, humans) which made the organism invisible, organ by organ.The concept of the "somebody else's problem field", as it is explained in the book, bases off of a statement to the effect that actual, invariable, invisibility is basically impossible and that the field is merely a way to make something close to being invisible by actually making it hard to notice deliberately.It causes the wearer to be "as plain and uninteresting as a rock" and thus functionally invisible, causing enemies to ignore their presence.The soldier that gives Link the mask is invisible to the player without the use of the Lens of Truth.In the Star Trek universe, some ships of the Klingon Empire, Romulan Star Empire, as well as the Federation ship USS Defiant, are equipped with hardware known as cloaking devices that conceal them from most varieties of scans, including visual.Wonder Woman flys around in an invisible airplane, which also makes her invisible while she is in the vehicle.In the popular 1998 video game StarCraft, units known as Dark Templar are able to bend light around themselves using psionic energies, effectively rendering themselves invisible as extremely effective stealth units.In the Harry Potter series, an Invisiblity cloak allows the wearer to be literally invisible.However, they must cover themselves in order for the cloak to take effect.In Mystery Men, one of the characters boasts the ability to turn invisible so long as he is naked and no one is looking at him.Under this idea, he defeats Cassanova Frankenstein's defenses, ultimately leading to the group's final victory.In the new TV series Heroes, one of the secondary characters, Claude, possesses the power of invisibility, keeping it permanently on to escape detection by the Company.The Cheshire Cat from Alice's Adventures in Wonderland can turn invisible and leave certain parts of himself visible, most notably his smile.In the book Things Not Seen, a boy named Bobby is rendered invisible when radiation causes his electric blanket to malfunction.In the popular video game series, Metal Gear Solid, there exists a device which the user can wear that allows light to become distorted around the user and, hence, rendering him invisible.Such a device is called the Stealth Camoflauge and plays a mediocre role in the story but can be obtained via completing the game after fulfilling certain parameters.Visually, it makes a distorted image of the background so that the player can see his character while making the character, himself, completely invisible to the Non Playable Characters.In the book Masters of Solitude by Marvin Kaye and Parke Godwin there is a Girdle of Solitude which, when worn, renders the wearer invisible.There is an associated helmet with goggles without which the wearer is blind while invisible."Ziggy") has the ability to become invisible, but he rarely uses it due to its tendency to malfunction at inopportune moments.In the video game Oddworld: Abe's Oddyssey the main character can become totally invisible even to the player by a bug in the PlayStation version in the first level by triangle jumping first on a mine, then through an electric forcefield.The only way as to "see" him is to use his psychic powers.In the manga Translucent, a strange disease renders it's victims partially invisible (translucent), with no other side effects.Emotions affect the partial invisibility, with the ever present danger of slipping into permanent complete invisibility as a complication.In the computer game Crysis the player's character wears a nanosuit which has the ability to render the player invisible to enemies for a short time.In the television show Danny Phantom the main character and other ghosts in the series can make themselves, objects, and other people invisible.In the television show Spongebob Spongebob and Patrick purchase an invisibility can that when sprayed turns everything it touches invisible.The Japanese made for TV drama Invisible Girl Ea's titular character, Ea, is turned invisible before the show begins, and shifts uncontrollably between visible and invisible (with a emphasis on invisibility) throughout.The Mipedian tribe in Perim in Chaotic consists of reptiloids with the ability to turn invisible.Conquer series) Nod stealth tanks, commandos, upgraded Avatar Mechs and some Black Hand soldiers use a cloaking device, the Lazarus Shield.This shield had a slight shimmer in the shape of a man or steath tank in Renegade, due to "imperfections."It was probably so one could not simply go invisible and destroy a base unhindered.It is a passive ability, and will only turn off when firing.Scrin Assimilator engineer analogs are invisible when stationary.American stealth fighters are invisible only when not attacking.TFT Comanche helicopters and GlobalHawk spy planes come standard with stealth capabilities.Transport rotorcraft can be upgraded to "stealth capability", and are invisible until attack or loading.All invisible units remain so until attacking, or in range of milimetric radar carrying units.The titular character in HG Wells novel, The Invisible Man, takes a chemical drug that causes his body to become the same refractive index as air.Healing Shields: Darpa Goal
Light Fantastic: Flirting With Invisibility
Invisibility in the real world Interesting picture of a test tube's bottom half invisible in cooking oil.In essence, the suit functions as a bluescreen onto which the image behind the suit can be displayed through camera.Plasmonic invisibility effect Plasmons are electron configurations on a metallic surface that resonate with a specific frequency or photon wavelength of light.Unfortunately, this could not be used to hide anything but a microscopic object from visible light because the object has to be either the same size as the wavelength of light from which it is hidden, or only somewhat larger.Cloak of invisibility: Fact or fiction?"Invisible Bodies and Uniqueness of the Inverse Scattering Problem".This page was last modified on 31 March 2008, at 07:31.For other uses, see Invisible (disambiguation).Invisibility is the state of an object which cannot be seen.An object in this state is said to be invisible (literally, "not visible").However, its effects can also be seen in the real world, particularly in physics and perceptional psychology.Thus an object can be classified as "invisible to" a person, animal, instrument, etc.Invisibility by environment
An object may be classified as "invisible" if it cannot be noticed by use of sight due to environmental factors other than the fact that it doesn't reflect light.An object that might normally be seeable may be classified as invisible if it is:
Behind an object.The same colour or pattern as the background (camouflage)
In an environment which is too dark or too bright.An object may be invisible if it is:
So massive that its escape velocity exceeds the speed of light (such objects are called black holes)
Transparent (such as air and many other gases)
Emitting or reflecting light outside the wavelength range of visible light.Radiation is generally invisible by this means.Imperial College London has shown that invisibility is possible by using specifically patterned crystals made up of nanoscale boxes that hold electrons.When light hits these crystals, it becomes entangled within the boxes, causing the object to become transparent.Theoretically, it is possible to make an object invisible, if the object has the same refractive index as the surrounding medium (e.This is the mechanic used in HG Well's The Invisible Man.In some science fiction stories, a hypothetical "cloaking device" is used to make objects invisible.In filmmaking, people, objects, or backgrounds can be made to look invisible on camera through a process known as chroma keying.Comparing light waves to the water and whatever object that is being "cloaked" to the stone, the desire is to have light waves pass around that object, leaving no visible aspects of it, possibly not even a shadow.This is the technique utilized in the most recent television portrayal of The Invisible Man.Invisibility, usually by magic, is a popular theme in fantasy, mythology and Ceremonial magic.Typically, people or objects can be rendered completely invisible by several means:
Magical objects such as rings, cloaks and amulets can be worn to grant the wearer permanent invisibility.Magical potions can be consumed to grant temporary invisibility.Some mythical creatures can make themselves invisible at will, such as some versions of Leprechaun, and Chinese dragons in some tales, which can shrink so small that humans cannot see them.In the Artemis Fowl series, fairies can become invisible, or shield, by vibrating faster than the eye can see.Such invisibility can be betrayed by mirrors or other reflective surfaces.The Incredibles, where Violet Parr can only turn her clothing invisible when it has been specially made to allow it.Simultaneous invisibility and colour
Since something that is invisible has no colour associated with it, it is somewhat paradoxical to imagine an object that is both invisible and coloured.This idea is most famous in the parody goddess, the Invisible Pink Unicorn.Sight while invisible
According to the laws of physics as presently understood, a perfectly invisible person would necessarily be blind, no matter how their invisibility were achieved.In order to see light, it must be absorbed by the retina, but in order for a person to be invisible, the body must not absorb light.So to retain sight at least pupil sized holes in the cloak would be necessary in front of the pupils and directly behind them on the back of the person as light isn't being transmitted through.In fact, according to the no cloning theorem of quantum mechanics, they could not even make a copy of the photons so they could see one copy and allow the other copy to pass through or around them.This physical barrier appears to offset the advantage of any perfect invisibility method, unless one's intent was simply to hide and be still, letting the danger pass.On the other hand, a practical invisibility method need not allow light of all frequencies to pass all the time, so there may be ways around this limitation.Alternatively, many works of fiction portray invisibility as a magic achievement, and since paranormal magic may be interpreted as breaking the laws of physics, it could theoretically allow sight.Grand Admiral Thrawn's cloaking devices make the ships wielding them invisible, but also prevent those inside the ship from seeing out.Thus, most of the time, ships using this type of cloak remain stationary, dropping the cloak just before battle.In the video game Quake, picking up a magic ring turns the player invisible to monsters for thirty seconds.In the Middle Ages, fern seeds were thought to be invisible since ferns don't have seeds.They were also said to grant invisibility.Historically, creatures such as goblins and brownies have also been described as invisible or able to become invisible.In religion, gods, goddesses, angels and demons are commonly thought to be invisible, at least part of the time.Indeed, the omnipresence attributed to the monotheistic God of Abrahamic religions would seem to require invisibility, since otherwise God would be constantly visible to all people because of inhabiting all places.This list may require cleanup to meet Wikipedia's quality standards.It may be poorly defined, unverified or indiscriminate.The idea of being unseen and hence undetectable has fascinated mankind for generations.This concept of invisibility has been explored in many myths, novels, movies and video games, some of them comedies.Mythology and folklore
In many myths and legends, gods, spirits, fairies, angels, and demons are often invisible or can choose to become invisible at will.The ring of Gyges is described in a story in Plato's The Republic.Alberich the dwarf, granted invisibility to Sigurd.In German fairy tales, magical caps called tarnkappes are worn by dwarfs.The caps can make an entire village of dwarfs invisible.Mystery (1859) by Fitz James O'Brien
The Crystal Man (1881) by Edward Page Mitchell
The Damned Thing (1894) by Ambrose Bierce
The Horla (1897) by Guy de Maupassant
The Invisible Man (1897) by H.The Dunwich Horror (1929) by H.Tolkien's The Lord of the Rings series was to render the user invisible.Unfortunately, it had an evil influence with negative effects on the wearer's actions.The Philadelphia Experiment (1984) is a movie about an attempt to make a ship invisible.While a concentrated look in optimal lighting conditions can spot it, it still makes the wearer extremely hard to see which eases stealth movement.In comic books, there are superheroes such as the Invisible Woman (who can bend light around herself without distortion) that have the power to become invisible at will as well as magicians like Doctor Strange who have invisibility spells in their possession.In the film Hollow Man (2000), an injection is tested on animals (and eventually, humans) which made the organism invisible, organ by organ.Unfortunately, the serum can only be counteracted by electricity, and the long term effects of invisibility proved serious.In The Hitchhiker's Guide to the Galaxy "trilogy" of novels by Douglas Adams, the Somebody Else's Problem field is a humorous concept of a field which makes people believe the object in question is "somebody else's problem" and therefore do not see it.The concept of the "somebody else's problem field", as it is explained in the book, bases off of a statement to the effect that actual, invariable, invisibility is basically impossible and that the field is merely a way to make something close to being invisible by actually making it hard to notice deliberately.It causes the wearer to be "as plain and uninteresting as a rock" and thus functionally invisible, causing enemies to ignore their presence.The soldier that gives Link the mask is invisible to the player without the use of the Lens of Truth.In the Star Trek universe, some ships of the Klingon Empire, Romulan Star Empire, as well as the Federation ship USS Defiant, are equipped with hardware known as cloaking devices that conceal them from most varieties of scans, including visual.Wonder Woman flys around in an invisible airplane, which also makes her invisible while she is in the vehicle.Ghost in the Shell (1995) as well as its TV series Ghost in the Shell:Stand Alone Complex (2002) deals with invisibility of cyborg bodies using thermoptics.In the popular 1998 video game StarCraft, units known as Dark Templar are able to bend light around themselves using psionic energies, effectively rendering themselves invisible as extremely effective stealth units.Ghosts and Wraiths carry cloaking devices, which drain energy.In the Harry Potter series, an Invisiblity cloak allows the wearer to be literally invisible.In Mystery Men, one of the characters boasts the ability to turn invisible so long as he is naked and no one is looking at him.Under this idea, he defeats Cassanova Frankenstein's defenses, ultimately leading to the group's final victory.In the new TV series Heroes, one of the secondary characters, Claude, possesses the power of invisibility, keeping it permanently on to escape detection by the Company.The Cheshire Cat from Alice's Adventures in Wonderland can turn invisible and leave certain parts of himself visible, most notably his smile.In the book Things Not Seen, a boy named Bobby is rendered invisible when radiation causes his electric blanket to malfunction.In the popular video game series, Metal Gear Solid, there exists a device which the user can wear that allows light to become distorted around the user and, hence, rendering him invisible.Visually, it makes a distorted image of the background so that the player can see his character while making the character, himself, completely invisible to the Non Playable Characters.In the book Masters of Solitude by Marvin Kaye and Parke Godwin there is a Girdle of Solitude which, when worn, renders the wearer invisible.There is an associated helmet with goggles without which the wearer is blind while invisible.In the video game Xenosaga, the character Ziggurat 8 (aka."Ziggy") has the ability to become invisible, but he rarely uses it due to its tendency to malfunction at inopportune moments.In the video game Oddworld: Abe's Oddyssey the main character can become totally invisible even to the player by a bug in the PlayStation version in the first level by triangle jumping first on a mine, then through an electric forcefield.The only way as to "see" him is to use his psychic powers.However, the slightest fall will kill him.In the manga Translucent, a strange disease renders it's victims partially invisible (translucent), with no other side effects.Emotions affect the partial invisibility, with the ever present danger of slipping into permanent complete invisibility as a complication.In the computer game Crysis the player's character wears a nanosuit which has the ability to render the player invisible to enemies for a short time.In the television show Danny Phantom the main character and other ghosts in the series can make themselves, objects, and other people invisible.In the television show Spongebob Spongebob and Patrick purchase an invisibility can that when sprayed turns everything it touches invisible.The Japanese made for TV drama Invisible Girl Ea's titular character, Ea, is turned invisible before the show begins, and shifts uncontrollably between visible and invisible (with a emphasis on invisibility) throughout.Ea's invisibility powers so she can live a normal life.The Mipedian tribe in Perim in Chaotic consists of reptiloids with the ability to turn invisible.Conquer series) Nod stealth tanks, commandos, upgraded Avatar Mechs and some Black Hand soldiers use a cloaking device, the Lazarus Shield.It was probably so one could not simply go invisible and destroy a base unhindered.Scrin Assimilator engineer analogs are invisible when stationary.American stealth fighters are invisible only when not attacking.TFT Comanche helicopters and GlobalHawk spy planes come standard with stealth capabilities.Transport rotorcraft can be upgraded to "stealth capability", and are invisible until attack or loading.All invisible units remain so until attacking, or in range of milimetric radar carrying units.The titular character in HG Wells novel, The Invisible Man, takes a chemical drug that causes his body to become the same refractive index as air.In the Halo series the Covenant soldiers known as Elites have a Invisibility cloak on their armor.Healing Shields: Darpa Goal
Light Fantastic: Flirting With Invisibility
Invisibility in the real world Interesting picture of a test tube's bottom half invisible in cooking oil.This effect has so far been observed only in gold foil perforated with holes smaller than the photons.Theoretical method of scattering light (Nature.Cloak of invisibility: Fact or fiction?"Invisible Bodies and Uniqueness of the Inverse Scattering Problem".This page was last modified on 31 March 2008, at 07:31.Check FAQ for more info!It means that your friends can hide from you by changing their status to Invisible, that way you think they are offline but it is not true!With this tool you can exactly find out if your friends are Online, Offline, or Invisible!Server which has different responses for Offline and Invisible, and that way our program finds out the user's real status.You may also ask your questions here, and you can check the answer in FAQ part later.Please ask your questions in Suggestions!Find if a user is invisible, offline or online in yahoo messenger.You can find invisibles in Yahoo Messenger with this tool.Detect invisible people in Yahoo!Siavash Mahmoudian All right reserved.Infinite Menus Source Code (Do Not Alter!Can't make it to the show?Invisible Fence Brand to provide dogs safety and freedom.Congratulations, you have taken the first important step to providing safe freedom for your pet.We're dog and cat lovers who happen to be Invisible Fence Brand dealers.Enjoy your visit and give us call so your pet can join over a million other pets safe at home with Invisible Fence Brand.Pet Training methods and are proud to be the industry's leader with the most experienced local dealer network, nationwide.That is total peace of mind.That is the Invisible Fence Solution.Infinite Menus Source Code (Do Not Alter!Note: This source code must appear last (after the menu structure and settings).Invisible Fence Brand to provide dogs safety and freedom.You love your pet and you want to keep him safe.We're dog and cat lovers who happen to be Invisible Fence Brand dealers.It's all done in the convenience of your home.Enjoy your visit and give us call so your pet can join over a million other pets safe at home with Invisible Fence Brand.If want to use this code, feel free to do so, but please leave this message intact.Infinite Menus Source Code (Do Not Alter!Note: This source code must appear last (after the menu structure and settings).Invisible Fence Brand to provide dogs safety and freedom.We're dog and cat lovers who happen to be Invisible Fence Brand dealers.It's all done in the convenience of your home.Enjoy your visit and give us call so your pet can join over a million other pets safe at home with Invisible Fence Brand.
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