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-{{other uses}}
-{{Redirect|Teleporter|machines with telescopic booms to move loads|Telescopic handler}}
-'''Teleportation''' or '''teletransportation''' is the theoretical transfer of [[matter]] or [[energy]] from one point to another without traversing the physical space between them. It is a common subject in [[science fiction]] [[Teleportation in fiction|literature]], film, [[video games]], and television.
-Since 1993, teleportation has become a hot topic in quantum mechanics, namely state, energy and particle teleportation.
-==Etymology==
-The use of the term ''teleport'' to describe the hypothetical movement of material objects between one place and another without physically traversing the distance between them has been documented as early as 1878.<ref>{{cite web|url=http://chroniclingamerica.loc.gov/lccn/sn83025121/1878-10-23/ed-1/seq-4/ocr/|title=The Hawaiian gazette. (Honolulu [Oahu, Hawaii]) 1865-1918, October 23, 1878, Image 4|work=loc.gov}}</ref><ref>{{cite web|url=http://nla.gov.au/nla.news-article65763678|title=29 Jun 1878 - THE LATEST WONDER.|work=nla.gov.au}}</ref>
-American writer [[Charles Fort]] is credited with having coined the word ''teleportation'' in 1931<ref>{{cite web|url=http://www.sacred-texts.com/fort/lo/lo02.htm |title=Lo!: Part I: 2 |publisher=Sacred-texts.com |date= |accessdate=2014-03-20}}</ref><ref>"less well-known is the fact that Charles Fort coined the word in 1931" in Rickard, B. and Michell, J. ''Unexplained Phenomena: a Rough Guide special'' (Rough Guides, 2000 (ISBN 1-85828-589-5), p.3)</ref> to describe the strange disappearances and appearances of [[Fortean anomaly|anomalies]], which he suggested may be connected. As in the earlier usage, he joined the [[Greek language|Greek]] [[prefix]] ''[[wikt:tele-|tele-]]'' (meaning "distant") to the root of the [[Latin language|Latin]] [[verb]] ''[[wikt:portare|portare]]'' (meaning "to carry").<ref>{{cite web|title=Teleportation |url=http://www.etymonline.com/index.php?term=teleportation |publisher=Etymology online |accessdate=7 October 2016}}</ref> Fort's first formal use of the word occurred in the second chapter of his 1931 book ''[[Lo!]]'':<ref>{{cite web |author=Mr. X |url= http://www.resologist.net/lo102.htm
-|title=Lo!: A Hypertext Edition of Charles Hoy Fort's Book |publisher=Resologist.net |accessdate=2014-03-20}}</ref>
-{{quote|Mostly in this book I shall specialize upon indications that there exists a transportory force that I shall call ''Teleportation''. I shall be accused of having assembled lies, yarns, [[hoax]]es, and [[superstition]]s. To some degree I think so, myself. To some degree, I do not. I offer the [[data]].}}
-==Fiction==
-{{main|Teleportation in fiction}}
-The earliest recorded story of a "matter transmitter" was [[Edward Page Mitchell]]'s "The Man Without a Body" in 1877.<ref>{{cite web|url=http://www.daviddarling.info/encyclopedia/T/teleportation.html|title=Teleportation in early science fiction|publisher=The Worlds of David Darling|accessdate=2014-02-04}}</ref>
-See also the movie [[The_Fly_(1958_film)|The Fly]] (1958)
-and [[The_Fly_(George_Langelaan)|1957 story of the same name]].
-In episode 20 of the Gerry and Sylvia Anderson children's programme, [[Fireball XL5]], produced in 1962 before the advent of Star Trek and its 'transporter', the Nutopians have a "matter transporter" used to dematerialise and rematerialise people between the planet and an alien ship not unlike the later transporter of Star Trek fame.
-In the ''[[Star Trek]]'' [[Transporter (Star Trek)|transporter]], which brought the concept of teleportation into popular knowledge, two essential stages of the process are '''dematerialization''' and '''rematerialization'''; created in an era before any [[Computer-generated imagery|CGI]] was possible. The [[visual effect]]s communicating these processes to the spectators "were created by dropping tiny bits of aluminum foil and aluminum perchlorate powder against a black sheet of cardboard, and photographing them illuminated from the side by a bright light. [...] In the studio lab, after the film was developed, the actors were superimposed fading out and the fluttering aluminum fading in, or vice versa."<ref name="Darling2005">{{cite book|author=David Darling|title=Teleportation: The Impossible Leap|url=https://books.google.com/books?id=KX5sNKr6TcoC&pg=PA10|date=29 April 2005|publisher=John Wiley & Sons|isbn=978-0-471-71545-0|page=10}}</ref> According to an informal survey carried out by [[Lawrence M. Krauss]] on his campus "the number of people in the United States who would not recognize the phrase '[[Beam me up, Scotty]]' is roughly comparable to the number of people who have never heard of ketchup."<ref name="Schüller2005">{{cite book|author=Mieke Schüller|title=Star Trek - The Americanization of Space|url=https://books.google.com/books?id=bMBPcY52oMAC&pg=PA5|date=2 October 2005|publisher=GRIN Verlag|isbn=978-3-638-42309-0|page=5}}</ref>
-In his book, ''[[The Physics of Star Trek]]'',  after explaining the difference between transporting information and transporting the actual atoms, Krauss notes that "The Star Trek writers seem never to have got it exactly clear what they want the transporter to do. Does the transporter send the atoms and the bits, or just the bits?" He notes that according to the canon definition of the transporter the former seems to be the case, but that that definition is inconsistent with a number of applications, particularly incidents, involving the transporter, which appear to involve only a transport of information, for example the way in which it splits Kirk into two versions in the episode "[[The Enemy Within (Star Trek: The Original Series)|The Enemy Within]]" or the way in which Riker is similarly split in the episode "[[Second Chances (Star Trek: The Next Generation)|Second Chances]]".<ref>Lawrence M. Krauss (1995), ''[[The Physics of Star Trek]]'',  Basic Books, ISBN 978-0465002047, pp. 67-68</ref>
-Krauss writes that in order to "dematerialize" something in order to achieve matter teleportation, the [[binding energy]] of the atoms and probably that of all its nuclei would have to be overcome. He notes that the [[electron binding energy|binding energy of electrons around nuclei]] is minuscule relative to [[Nuclear binding energy|binding energy that hold nuclei together]]. He notes that "if we were to heat up the nuclei to about 1000 billion degrees (about a million times hotter than the temperature at the core of the Sun), then not only would the quarks inside lose their binding energies but at around this temperature matter will suddenly lose almost all of its mass. Matter will turn into radiation—or, in the language of our transporter, matter will dematerialize. [...] In energy units, this implies providing about 10 percent of the rest mass of protons and neutrons in the form of heat. To heat up a sample the
-size of a human being to this level would require therefore, about 10 percent of the energy needed to annihilate the material—or the energy equivalent of a hundred 1-megaton hydrogen bombs."<ref>Lawrence M. Krauss (1995), ''[[The Physics of Star Trek]]'',  Basic Books, ISBN 978-0465002047, pp. 71-73</ref>
-==Science==
-{{main|Quantum teleportation|Quantum energy teleportation}}
-Scientists believe it is not possible to teleport macroscopic objects such as human beings, but there may be teleportation in the microscopic world. Three possible kinds of teleportation in quantum mechanics and quantum electrodynamics have been proposed: state teleportation, energy teleportation, and particle teleportation.
-In 1993, Bennett ''et al''<ref>C. H. Bennett, G. Brassard, C. Crépeau, R. Jozsa, A. Peres, W. K. Wootters (1993), Teleporting an Unknown Quantum State via Dual Classical and Einstein–Podolsky–Rosen Channels, Phys. Rev. Lett. 70, 1895–1899.</ref> proposed that a [[quantum teleportation|quantum state of a particle could be teleported]] to another distant particle, but the two particles do not move at all. This  is called state teleportation. There are a lot of following theoretical and experimental papers published. Researchers believe that quantum teleportation is the foundation of quantum calculation and quantum communication.
-In 2008, M. Hotta<ref>{{cite news | first=Masahiro | last=Hotta | title =A PROTOCOL FOR QUANTUM ENERGY DISTRIBUTION| work=Phys. Lett. A 372  5671 (2008)}}</ref> proposed that it may be possible to [[quantum energy teleportation|teleport energy]] by exploiting quantum energy fluctuations of an entangled vacuum state of a quantum field. There are some papers published but no experimental verification.
-In 2016, Y. Wei proposed that particles themselves could teleport from one place to another.<ref>{{cite web |url=http://journals.aps.org/pre/abstract/10.1103/PhysRevE.93.066103 |title=Comment on “Fractional quantum mechanics” and “Fractional Schrödinger equation” |last1=Wei |first1=Yuchuan |date=29 June 2016 |website=APS Physics |access-date= |quote=}}</ref> This is called particle teleportation. With this concept, [[Superconductivity]] can be viewed as the teleportation of some electrons in the superconductor and [[superfluidity]] as the teleportation of some of the atoms in the cellular tube. Physicists are trying to verify this concept experimentally.
-==See also==
-*[[Holodeck]]
-*[[Replicator (Star Trek)]]
-*[[Wormhole]]
-*[[Warp drive]]
-*[[Nightcrawler (comics)]]
-*[[Azazel (Marvel Comics)]]
-*[[Warp (gaming)]]
-*[[Teletransportation paradox]]
-*[[Kestrel (Marvel Comics)]]
-*[[Philadelphia Experiment]]
-*[[Quantum teleportation]]
-==References==
-{{reflist}}
-==Further reading==
-{{Commons category|Teleportation}}
-*{{cite book|author=[[David J. Darling|David Darling]]|year=2005|title=Teleportation: The Impossible Leap|publisher=John Wiley & Sons|isbn=978-0-471-71545-0}}
-*Lawrence M. Krauss (1995), ''[[The Physics of Star Trek]]'',  Basic Books, ISBN 978-0465002047
-*Eric W. Davis (2004), ''[https://fas.org/sgp/eprint/teleport.pdf Teleportation Physics Study]'', Air Force Research Laboratory AFRL-PR-ED-TR-2003-0034
-* {{cite book|author=Bernd Thaller|title=Advanced Visual Quantum Mechanics|url=https://books.google.com/books?id=iq1Gi6hmTRAC&pg=PA170|year=2005|publisher=Springer|isbn=978-0-387-27127-9|at=4.3.3 Classical teleportation is impossible pp. 170–171}}
-* [http://discovermagazine.com/2014/julyaug/20-the-ups-and-downs-of-teleportation Will Human Teleportation Ever Be Possible?]
-* [http://io9.com/human-teleportation-is-far-more-impractical-than-we-tho-988408753  Human teleportation is far more impractical than we thought]
-* Y. Wei (2016), [http://journals.aps.org/pre/abstract/10.1103/PhysRevE.93.066103 How to teleport a particle rather than a state] Phys Rev E 93. 066103
-{{Emerging technologies}}
-{{DEFAULTSORT:Teleportation}}
-[[Category:Teleportation| ]]