Replicator (Star Trek)
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In Star Trek
Star Trek
Star Trek is an American science fiction entertainment franchise created by Gene Roddenberry. The core of Star Trek is its six television series: The Original Series, The Animated Series, The Next Generation, Deep Space Nine, Voyager, and Enterprise...

a replicator is a machine capable of creating (and recycling) objects. Replicators were originally seen used to synthesize meals on demand, but in later series they took on many other uses.

Origins and limitations

The term "replicator" originated on Star Trek: The Next Generation
Star Trek: The Next Generation
Star Trek: The Next Generation is an American science fiction television series created by Gene Roddenberry as part of the Star Trek franchise. Roddenberry, Rick Berman, and Michael Piller served as executive producers at different times throughout the production...

, portrayed as a 24th century
24th century
The 24th century of the anno Domini era will span from January 1, 2301–December 31, 2400 of the Gregorian calendar. Unlike most century years, the year 2400 is a leap year, and the first century leap year since 2000....

 advancement from the 23rd century "food synthesizer" seen in Star Trek: The Original Series
Star Trek: The Original Series
Star Trek is an American science fiction television series created by Gene Roddenberry, produced by Desilu Productions . Star Trek was telecast on NBC from September 8, 1966, through June 3, 1969...

. The mechanics of these devices were never clearly explained on that show, but the subsequent prequel series, Star Trek: Enterprise
Star Trek: Enterprise
Star Trek: Enterprise is a science fiction television series. It follows the adventures of humanity's first warp 5 starship, the Enterprise, ten years before the United Federation of Planets shown in previous Star Trek series was formed.Enterprise premiered on September 26, 2001...

, featured a 22nd century version referred to as a "protein resequencer." Additionally, that ship had a "bio-matter resequencer" which was used to recycle waste product into usable material.

A replicator can create any inanimate matter
Matter
Matter is a general term for the substance of which all physical objects consist. Typically, matter includes atoms and other particles which have mass. A common way of defining matter is as anything that has mass and occupies volume...

, as long as the desired molecular
Molecule
A molecule is an electrically neutral group of at least two atoms held together by covalent chemical bonds. Molecules are distinguished from ions by their electrical charge...

 structure is on file
Computer file
A computer file is a block of arbitrary information, or resource for storing information, which is available to a computer program and is usually based on some kind of durable storage. A file is durable in the sense that it remains available for programs to use after the current program has finished...

, but it cannot create antimatter
Antimatter
In particle physics, antimatter is the extension of the concept of the antiparticle to matter, where antimatter is composed of antiparticles in the same way that normal matter is composed of particles...

, dilithium, latinum, or a living organism
Organism
In biology, an organism is any contiguous living system . In at least some form, all organisms are capable of response to stimuli, reproduction, growth and development, and maintenance of homoeostasis as a stable whole.An organism may either be unicellular or, as in the case of humans, comprise...

 of any kind; in the case of living organisms, non-canon works such as the Star Trek: the Next Generation Technical Manual state that, though the replicators use a form of transporter technology, it's at such a low resolution that creating living tissue is a physical impossibility.

In its theory it seems to work similarly to a universal assembler
Molecular assembler
A molecular assembler, as defined by K. Eric Drexler, is a "proposed device able to guide chemical reactions by positioning reactive molecules with atomic precision". Some biological molecules such as ribosomes fit this definition. This is because they receive instructions from messenger RNA and...

.

Theory

A replicator works by rearranging subatomic particle
Subatomic particle
In physics or chemistry, subatomic particles are the smaller particles composing nucleons and atoms. There are two types of subatomic particles: elementary particles, which are not made of other particles, and composite particles...

s, which are abundant everywhere in the universe
Universe
The Universe is commonly defined as the totality of everything that exists, including all matter and energy, the planets, stars, galaxies, and the contents of intergalactic space. Definitions and usage vary and similar terms include the cosmos, the world and nature...

, to form molecule
Molecule
A molecule is an electrically neutral group of at least two atoms held together by covalent chemical bonds. Molecules are distinguished from ions by their electrical charge...

s and arrange those molecules to form the object. For example, to create a pork chop
Pork chop
A pork chop is a cut of pork cut perpendicularly to the spine of the pig and usually containing a rib or part of a vertebra, served as an individual portion.-Variations:...

, the replicator would first form atoms of carbon, hydrogen, nitrogen, etc., then arrange them into amino acids, proteins, and cells, and assemble the particles into the form of a pork chop.

This process requires the destructive conversion of bulk matter into energy and its subsequent reformation into a pre-scanned matter pattern. In principle, this is similar to the transporter
Transporter (Star Trek)
A transporter is a fictional teleportation machine used in the Star Trek universe. Transporters convert a person or object into an energy pattern , then "beam" it to a target, where it is reconverted into matter...

, but on a smaller scale. However, unlike transporters, which duplicate matter at the quantum level, replicators must be capable of a large number of different materials on demand. If patterns were to be stored at the quantum level, an impossible amount of data storage (or a set of original copies of the materials) would be required. To resolve this, patterns are stored in memory at the molecular level.

The drawback of doing so is that it is impossible to replicate objects with complicated quantum structures, such as living beings, dilithium, gold
Gold
Gold is a chemical element with the symbol Au and an atomic number of 79. Gold is a dense, soft, shiny, malleable and ductile metal. Pure gold has a bright yellow color and luster traditionally considered attractive, which it maintains without oxidizing in air or water. Chemically, gold is a...

, or latinum. (However, in the TNG episode "Allegiance", aliens used their version of replicators to create a Picard impostor.) Additionally, read/write errors cause a number of single-bit errors to occur in replicated materials. Though usually undetectable to human senses, computer scanning can be used to reveal these discrepancies, and they may explain the frequent complaint (by some gourmet
Gourmet
Gourmet is a cultural ideal associated with the culinary arts of fine food and drink, or haute cuisine, which is characterised by elaborate preparations and presentations of large meals of small, often quite rich courses...

s and connoisseur
Connoisseur
A connoisseur is a person who has a great deal of knowledge about the fine arts, cuisines, or an expert judge in matters of taste.Modern connoisseurship must be seen along with museums, art galleries and "the cult of originality"...

s) that replicated food and beverages suffer from substandard taste. These errors also may cause a nontoxic material to become toxic when replicated, or create strains of deadly viruses and bacteria from previously harmless ones.

Uses

One of the most important pieces of technology
Technology
Technology is the making, usage, and knowledge of tools, machines, techniques, crafts, systems or methods of organization in order to solve a problem or perform a specific function. It can also refer to the collection of such tools, machinery, and procedures. The word technology comes ;...

 in the Star Trek universe, the replicator is used primarily to provide food
Food
Food is any substance consumed to provide nutritional support for the body. It is usually of plant or animal origin, and contains essential nutrients, such as carbohydrates, fats, proteins, vitamins, or minerals...

 and water
Water
Water is a chemical substance with the chemical formula H2O. A water molecule contains one oxygen and two hydrogen atoms connected by covalent bonds. Water is a liquid at ambient conditions, but it often co-exists on Earth with its solid state, ice, and gaseous state . Water also exists in a...

 onboard starship
Starship
A starship or interstellar spacecraft is a theoretical spacecraft designed for traveling between the stars, as opposed to a vehicle designed for orbital spaceflight or interplanetary travel....

s, thus eliminating the need to stock most provisions. (Starships, starbases, and other installations stock some provisions for emergency use, in case of replicator failure or an energy crisis.) On Star Trek: Deep Space Nine
Star Trek: Deep Space Nine
Star Trek: Deep Space Nine is a science fiction television series set in the Star Trek universe...

, it was established that as long as there is an energy source to power life support, replication is used to provide breathable air on ships and starbase
Starbase
A starbase is a facility, often in space, used in science fiction works such as Star Trek, Babylon 5, and Firefly. Typically they act as drydocks, battle stations or trading outposts.- Star Trek :...

s (and to disassemble the carbon dioxide
Carbon dioxide
Carbon dioxide is a naturally occurring chemical compound composed of two oxygen atoms covalently bonded to a single carbon atom...

 exhaled by the crew
Crew
A crew is a body or a class of people who work at a common activity, generally in a structured or hierarchical organization. A location in which a crew works is called a crewyard or a workyard...

), thus providing a seemingly endless supply of oxygen
Oxygen
Oxygen is the element with atomic number 8 and represented by the symbol O. Its name derives from the Greek roots ὀξύς and -γενής , because at the time of naming, it was mistakenly thought that all acids required oxygen in their composition...

 and eliminating the need to carry air tanks.

The technology is also used for producing spare parts, which makes it possible to repair most ship damage without having to return to a starbase. Other applications include replication of Starfleet
Starfleet
In the fictional universe of Star Trek, Starfleet or the Federation Starfleet is the deep-space exploratory, peacekeeping and military service maintained by the United Federation of Planets . It is the principal means by which the Federation conducts its exploration, defense, diplomacy and research...

 uniforms, as well as everyday objects such as toys and souvenirs. Replication is also used by the Holodeck
Holodeck
A holodeck, in the fictional Star Trek universe, is a simulated reality facility located on starships and starbases. The first use of a "holodeck" by that name in the Star Trek universe was in the pilot episode of Star Trek: The Next Generation, "Encounter at Farpoint", although a conceptually...

 program
Computer program
A computer program is a sequence of instructions written to perform a specified task with a computer. A computer requires programs to function, typically executing the program's instructions in a central processor. The program has an executable form that the computer can use directly to execute...

 to allow food
Food
Food is any substance consumed to provide nutritional support for the body. It is usually of plant or animal origin, and contains essential nutrients, such as carbohydrates, fats, proteins, vitamins, or minerals...

, clothes
Clothing
Clothing refers to any covering for the human body that is worn. The wearing of clothing is exclusively a human characteristic and is a feature of nearly all human societies...

 and other objects belonging within a simulation
Simulation
Simulation is the imitation of some real thing available, state of affairs, or process. The act of simulating something generally entails representing certain key characteristics or behaviours of a selected physical or abstract system....

 to be used or consumed by the participants.

Starfleet
Starfleet
In the fictional universe of Star Trek, Starfleet or the Federation Starfleet is the deep-space exploratory, peacekeeping and military service maintained by the United Federation of Planets . It is the principal means by which the Federation conducts its exploration, defense, diplomacy and research...

's safety protocols prevent unauthorized replication of dangerous objects, such as weapons and poisonous substances. Replication of any medicine is restricted to medical personnel
Starfleet
In the fictional universe of Star Trek, Starfleet or the Federation Starfleet is the deep-space exploratory, peacekeeping and military service maintained by the United Federation of Planets . It is the principal means by which the Federation conducts its exploration, defense, diplomacy and research...

 bearing a valid identification code.

Replicators can also convert matter into energy. Following that principle, the device can dismantle any object into subatomic particles. The ensuing energy can then be stored for future use or immediately applied in a subsequent replication. This process is referred to as "recycling", and is applied to everything from dirty dishes to outgrown children's clothes.

Replicator technology, even if produced on a larger scale, cannot be used to create complex objects such as shuttlecraft or starships (production staff felt that being able to replicate entire starships "at the push of a button" would severely impact dramatic potential). However, in Star Trek: Deep Space Nine, industrial replicators are used to replicate large components of ships, shuttlecraft, and other pieces of this sort, which are later used in shipyards to construct such vessels. In this manner, as few as 15 industrial replicators are enough to replicate the components needed to build a fleet of starships or to help a civilization recover from a planet-wide natural disaster.

By virtually eliminating material scarcity, replicator technology plays an important role in the moneyless human economy within the Star Trek universe.

Voyager

When the USS Voyager
USS Voyager (Star Trek)
The fictional Intrepid-class starship USS Voyager is the primary setting of the science fiction television series Star Trek: Voyager. It is commanded by Captain Kathryn Janeway....

was pulled to the Delta Quadrant
Galactic quadrant (Star Trek)
In the television series Star Trek and its spin-offs, Galactic quadrant refers to an area of the Milky Way Galaxy. In the original Star Trek, it referred to an area interchangeable with a sector...

, it became clear that replicator technology was unknown to the indigenous peoples of that region.
Throughout the first seasons, the Kazon
Kazon
In the Star Trek fictional universe, the Kazon are a Delta Quadrant race. The Kazon are technologically inferior to the United Federation of Planets as it exists in the twenty-fourth century...

 and other races tried repeatedly to obtain the technology.
Captain Janeway
Kathryn Janeway
Kathryn Janeway, played by Kate Mulgrew, is a fictional character in the Star Trek franchise. As the captain of the Starfleet starship USS Voyager, she was the lead character on the television series Star Trek: Voyager, and later, a Starfleet admiral, as seen in the 2002 feature film Star Trek...

 feared that if this technology were acquired by a civilization before they were ready, disastrous consequences could ensue (on one occasion a Kazon ship was severely damaged when its crew tried to construct a replicator; instead the deck was flooded with nucleon radiation and extremely high levels of Neosorin particles). For this reason, and because of the Prime Directive
Prime Directive
In the universe of Star Trek, the Prime Directive, Starfleet's General Order #1, is the most prominent guiding principle of the United Federation of Planets...

, Janeway refused to give away the technology at any price.

Also on Voyager, the ship's energy constraints on the journey back to the Alpha Quadrant meant that replicator supplies had to be strictly controlled, leading to "replicator rations" becoming an unofficial ship currency. This is also the reason Neelix
Neelix
Mr. Neelix is a fictional character in the television series Star Trek: Voyager. He is played by actor Ethan Phillips.-Fictional Biography:Mr. Neelix is a Talaxian originally from Rinax, a moon of the planet Talax, in the Delta quadrant, although his great-grandfather was Mylean. His entire family...

 (aside from providing the crew with a morale boost through the preparation of fresh food) became employed as the ship's chef. Some ingredients came from the ship's hydroponics
Hydroponics
Hydroponics is a method of growing plants using mineral nutrient solutions, in water, without soil. Terrestrial plants may be grown with their roots in the mineral nutrient solution only or in an inert medium, such as perlite, gravel, mineral wool, or coconut husk.Researchers discovered in the 18th...

 laboratory.

See also

  • Molecular assembler
    Molecular assembler
    A molecular assembler, as defined by K. Eric Drexler, is a "proposed device able to guide chemical reactions by positioning reactive molecules with atomic precision". Some biological molecules such as ribosomes fit this definition. This is because they receive instructions from messenger RNA and...

  • Santa Claus machine
    Santa Claus machine
    A Santa Claus Machine, named after the folkloric Santa Claus, is a hypothetical machine that is capable of creating any required object or structure out of any given material. It is most often referenced by futurists and science fiction writers when discussing hypothetical projects of enormous...

  • Forever Peace
    Forever Peace
    Forever Peace is a 1997 science fiction novel by Joe Haldeman. It won the Nebula Award, Hugo Award and John W. Campbell Memorial Award in 1998.-Plot:...

    , a 1997 novel by Joe Haldeman
    Joe Haldeman
    Joe William Haldeman is an American science fiction author.-Life :Haldeman was born June 9, 1943 in Oklahoma City, Oklahoma. His family traveled and he lived in Puerto Rico, New Orleans, Washington, D.C., Bethesda, Maryland and Anchorage, Alaska as a child. Haldeman married Mary Gay Potter, known...

    that features a similar device called the Nanoforge

External links

The source of this article is wikipedia, the free encyclopedia.  The text of this article is licensed under the GFDL.
 
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