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'''Time travel''' | {{wikipediainfo}} | ||
'''Time travel''' was, as the name suggested, the process of travelling through [[time]], in any direction. In the [[26th century]], individuals who time travelled were sometimes known as persons of meta-temporal displacement. ([[PROSE]]: ''[[The Mary-Sue Extrusion (novel)|The Mary-Sue Extrusion]]'') The [[Eleventh Doctor]] compared time travel to "a tear in the fabric of reality". ([[TV]]: ''[[The Name of the Doctor (TV story)|The Name of the Doctor]]'') In fact, some accounts held that time travel buried and overwrote the [[Original palimpsest universe|original state of linear reality]]. ([[PROSE]]: ''[[The Infinity Doctors (novel)|The Infinity Doctors]]'', ''[[Mr Saldaamir (short story)|Mr Saldaamir]]'') | |||
Individuals who time travelled saw [[the universe]] differently, enabling them to perceive changes to time, unless if it was something in their own history being changed. ([[TV]]: {{cs|Flesh and Stone (TV story)}}, {{cs|Cold Blood (TV story)}}) Such a concept was once referred to as "[[history-proofing|history proof[ing]]]" by [[Cousin (rank)|Cousin]] [[Eliza]]. ([[AUDIO]]: {{cs|The Ship of a Billion Years (audio story)}}) | |||
:'' | == Methods == | ||
=== Technological or biotechnological methods === | |||
==== By space-time vessel ==== | |||
The [[Time Lord]]s were able to achieve time travel after [[Omega]] converted a [[star]] into a [[black hole]]. ([[TV]]: ''[[The Three Doctors (TV story)|The Three Doctors]]'') They used the [[Eye of Harmony]] thereafter to power their civilisation and power their time travel facilities from [[TARDIS]]es to the [[extraction chamber]]s which could pluck individuals out of the timeline safely before they died. ([[TV]]: ''[[The Deadly Assassin (TV story)|The Deadly Assassin]]'', ''[[Doctor Who (TV story)|Doctor Who]]'', ''[[Journey to the Centre of the TARDIS (TV story)|Journey to the Centre of the TARDIS]], [[Hell Bent (TV story)|Hell Bent]]'') By his [[Ninth Doctor|ninth]] and [[Tenth Doctor|tenth]] incarnations, the Doctor also used the [[Cardiff rift]] to "soak up" its [[radiation]] for [[the Doctor's TARDIS|his TARDIS]] to use. ([[TV]]: ''[[Boom Town (TV story)|Boom Town]]'') | |||
The [[Third Zone]] scientists [[Kartz]] and [[Reimer]] built a primitive time machine modelled on Time Lord technology. It almost worked, but ultimately only made one successful trip before it was destroyed. It needed a Time Lord's [[Rassilon Imprimatur]] to work properly. ([[TV]]: ''[[The Two Doctors (TV story)|The Two Doctors]]'') | |||
On [[Earth]], the first pioneer in the field was [[Orson Pink]] in the early [[22nd century]], whose first trip accidentally brought him to the [[end of the universe]]. ([[TV]]: ''[[Listen (TV story)|Listen]]'') [[Hila Tacorien]], great-great-great-great-great-granddaughter of a couple from the [[20th century]], was a human pioneer explorer of time, who accidentally got lost in a [[pocket dimension]]. ([[TV]]: ''[[Hide (TV story)|Hide]]'') | |||
[[Magnus Greel]] used an experimental [[time cabinet]] based on [[51st century]] [[human]] technology. ([[TV]]: ''[[The Talons of Weng-Chiang (TV story)|The Talons of Weng-Chiang]]'') | |||
:'' | The [[Imperial Dalek]]s under [[Davros]], who already had limited time travel technology, expected to obtain equivalent time travel to the Time Lords by stealing the [[Hand of Omega]] and replicating their process on [[Skaro]]'s sun. ([[TV]]: ''[[Remembrance of the Daleks (TV story)|Remembrance of the Daleks]]'') | ||
[[Osmic projector|Osmic projection]] was a means of time travel used by the [[Sontaran]]s. The [[Third Doctor]] referred to it as rather limited in its temporal range when used by the Sontaran scout. ([[TV]]: ''[[The Time Warrior (TV story)|The Time Warrior]]'') | |||
[[Time Scoop]] technology enabled the user to transport other people and objects remotely. Without any ally on the other end, it could leave the user stranded in another time period with no way to return. ([[TV]]: ''[[Carnival of Monsters (TV story)|Carnival of Monsters]]'') | |||
[[Time corridor]] technology was used by the [[Dalek]]s, ([[TV]]: ''[[The Evil of the Daleks (TV story)|The Evil of the Daleks]]'', ''[[Resurrection of the Daleks (TV story)|Resurrection of the Daleks]]'', ''[[Remembrance of the Daleks (TV story)|Remembrance of the Daleks]]'', ''[[Victory of the Daleks (TV story)|Victory of the Daleks]]'') [[Osiran]]s, ([[TV]]: ''[[Pyramids of Mars (TV story)|Pyramids of Mars]]'') the [[Borad]] ([[TV]]: ''[[Timelash (TV story)|Timelash]]'') and the [[Ra'ra'vis]]. ([[COMIC]]: ''[[Time Fraud (comic story)|Time Fraud]]'') According to the [[Dalek Time Strategist (The Shadow Vortex)|Dalek Time Strategist]], the Daleks had been trying to develop time travel from the onset of their existence, fearing the Time Lords' attempt to interfere with their genesis. ([[AUDIO]]: ''[[The Eternity Cage (audio story)|The Eternity Cage]]'') Another account held that they had only begun temporal research after the [[Thal-Dalek battle]]. ([[AUDIO]]: ''[[The Lights of Skaro (audio story)|The Lights of Skaro]]'') The [[Council of Eight]] made use of a form of time corridor technology to despatch their agents to different eras to affect history; the corridors were unstable and anything passing through them was dispersed by the [[Time Winds|time winds]]. ([[PROSE]]: ''[[Sometime Never... (novel)|Sometime Never...]]'') | |||
A kind of [[time viewer]], called a [[quantum imager]], enabled one to observe and (to a limited degree) communicate with people in the past. ([[PROSE]]: ''[[The Least Important Man (short story)|The Least Important Man]]'') | |||
== | Pushing energy into a [[warp drive]] could create a [[time window]]. ([[TV]]: ''[[The Girl in the Fireplace (TV story)|The Girl in the Fireplace]]'') | ||
A warp drive accident fractured one individual, [[Scaroth]], into "fragments" scattered through various eras of time and linked by [[telepathy]]. ([[TV]]: ''[[City of Death (TV story)|City of Death]]'') Another warp drive accident had the effect of propelling the vehicle in question roughly sixty-five million years back in time. ([[TV]]: ''[[Earthshock (TV story)|Earthshock]]'') | |||
A [[rift manipulator]] could be used in conjunction with the temporal rift itself. ([[TV]]: ''[[Captain Jack Harkness (TV story)|Captain Jack Harkness]]'', ''[[End of Days (TV story)|End of Days]]'') | |||
A [[vortex manipulator]] was a crude time travel device. It could miss by hundreds of years and broke down easily. It was referred to by the [[Tenth Doctor]] as more of a "space hopper" compared to the TARDIS. ([[TV]]: ''[[Utopia (TV story)|Utopia]]'') | |||
{{ | A [[temporal shift]] was a form of time travel used by the [[Dalek]]s. ([[PROSE]]: ''[[Exit Strategy (short story)|Exit Strategy]]'') The [[War Doctor]] labelled it as a dangerous method of time travel, one that the Daleks used only as a last ditch option for escape. ([[AUDIO]]: ''[[The Lady of Obsidian (audio story)|The Lady of Obsidian]]'') Following the [[Last Great Time War]], the [[Cult of Skaro]] enacted a temporal shift to escape being sucked into [[the Void]], with [[Dalek Caan]] later using it to escape from [[1930s]] [[New York City]]. ([[TV]]: ''[[Doomsday (TV story)|Doomsday]]'', ''[[Evolution of the Daleks (TV story)|Evolution of the Daleks]]'') | ||
{{ | |||
[[Category:Time travel|*]] | At some point after the [[Last Great Time War]] during which the Time Lords deceived the universe into thinking they were extinct barring the Doctor, the Time Lords sent [[Missy]] and [[Yayani]] to the [[Kyme Institute]] where Doctor [[Kalub]] had been experimenting with genetically engineering a whole new creature with time and space travel ability and then imprisoning it within a stasis field. The energies were then harnessed for perpetual energy for time travel. Kalub died, but the creature itself was imprisoned within [[The Master's TARDIS|Missy's TARDIS]]. ([[PROSE]]: ''[[Lords and Masters (short story)|Lords and Masters]]'') | ||
[[Category: | |||
[[Teri Billington]]'s [[time dilation]] project allowed the [[Sentinels of the New Dawn]] to achieve time travel. After some adjustment by the [[Third Doctor]], her [[particle accelerator]] took him and [[Liz Shaw]] to [[2014]]. Upon returning, Liz disassembled Billington's particle accelerator, preventing the Sentinels from discovering time travel. ([[AUDIO]]: ''[[The Sentinels of the New Dawn (audio story)|The Sentinels of the New Dawn]]'') | |||
==== Mirrors ==== | |||
Time travel by use of [[mirror]]s was based on the principle that mirrors reflect light and time travel is moving [[Faster-than-light travel|faster than light]]. If [[static electricity]] was passed through the mirrors, more than images could be reflected and whole objects could be sent back in time. As well, certain trace elements in the machine, like [[taranium]], were also needed. ([[PROSE]]: ''[[The Wheel of Ice (novel)|The Wheel of Ice]]'') | |||
[[Edward Waterfield]] and [[Theodore Maxtible]] attracted the attention of the [[Dalek]]s while experimenting with [[static electricity]] and [[mirror]]s. ([[TV]]: ''[[The Evil of the Daleks (TV story)|The Evil of the Daleks]]'') | |||
The mysterious [[The Gateway|Gateway]] situated in the void between [[N-Space]] and [[E-Space]] provided access to different times and realities, sometimes through mirrors. ([[TV]]: ''[[Warriors' Gate (TV story)|Warriors' Gate]]'') | |||
[[General]] [[Mariah Learman]] and [[Professor]] [[Osric (The Time of the Daleks)|Osric]] succeeded briefly in making a functioning time machine with over 100 [[clock]]s and 1000 mirrors in her prime ministerial house. The act of measuring time changed time and therefore time could be manipulated. The mirrors were coated in [[orthopositronium]], a material where the [[positron]] and the [[electron]] orbited each other in the same direction. It briefly worked when the Daleks' ship ran aground in the [[Time Vortex]] and they homed in on it and made it work. It needed [[chronon]]s to work, which were sourced when the [[Eighth Doctor]]'s [[companion]], [[Charlotte Pollard|Charley]], held the master clock. It took her and [[Viola Learman]] to [[William Shakespeare]]'s time. This ceased to function when Charley entered [[the Doctor's TARDIS]]. ([[AUDIO]]: ''[[The Time of the Daleks (audio story)|The Time of the Daleks]]'') | |||
[[Lodestone|A time machine]] was created by [[UNIT]] with the help of [[Rose Tyler]] and the dying TARDIS to send [[Donna Noble]] back from [[parallel world (Turn Left)|the parallel world]] the [[time beetle]] created. ([[TV]]: ''[[Turn Left (TV story)|Turn Left]]'') | |||
The [[Arkive]] tried to create a mirror-based [[time machine]], but didn't have the necessary parts or skills to make it ([[PROSE]]: ''[[The Wheel of Ice (novel)|The Wheel of Ice]]'') | |||
=== By psychic power or other natural ability === | |||
The [[Eight Legs]] could [[teleport]] as easily through time as through space. [[K'anpo Rimpoche]], a highly advanced Time Lord with great mental discipline, could do the same. ([[TV]]: ''[[Planet of the Spiders (TV story)|Planet of the Spiders]]'') | |||
The enigmatic [[Bilis Manger]] could also also teleport at will through both time and space. This ability was only seen in the vicinity of the [[Cardiff Rift]] however. ([[TV]]: ''[[Captain Jack Harkness (TV story)|Captain Jack Harkness]]'', ''[[End of Days (TV story)|End of Days]]'') | |||
[[Fenric]] could transport other living beings via [[time storm]]s. The people displaced by the time storm often believed they had caused the time storm themselves. ([[TV]]: ''[[Dragonfire (TV story)|Dragonfire]]'', ''[[Silver Nemesis (TV story)|Silver Nemesis]]'', ''[[The Curse of Fenric (TV story)|The Curse of Fenric]]'') | |||
The [[Fairy|Fairies]] could travel through time and space naturally. ([[TV]]: ''[[Small Worlds (TV story)|Small Worlds]]'') | |||
The [[Weeping Angel]]s had the ability to send others back in time with a touch. ([[TV]]: ''[[Blink (TV story)|Blink]]'') | |||
[[The Trickster]], prior to manifesting as a corporeal being, could traverse time and space with ease, though not at any given moment. ([[TV]]: ''[[Whatever Happened to Sarah Jane? (TV story)|Whatever Happened to Sarah Jane?]]'', ''[[The Temptation of Sarah Jane Smith (TV story)|The Temptation of Sarah Jane Smith]]'') | |||
The [[Androzani tree]]s travelled through the [[Time Vortex]] by using [[Madge Arwell]] as a host. ([[TV]]: ''[[The Doctor, the Widow and the Wardrobe (TV story)|The Doctor, the Widow and the Wardrobe]]'') | |||
=== By space-time anomaly === | |||
The [[Tharil]]s "rode the [[time wind]]s". ([[TV]]: ''[[Warriors' Gate (TV story)|Warriors' Gate]]'') | |||
A [[warp ellipse]] could possibly make time travel possible. ([[TV]]: ''[[Mawdryn Undead (TV story)|Mawdryn Undead]]'') | |||
Travel via time rift was possible. The [[Weevil]]s arrived on Earth via this method, ([[TV]]: ''[[Everything Changes (TV story)|Everything Changes]]'') as did a human [[aeroplane]], the ''[[Sky Gypsy]]''. ([[TV]]: ''[[Out of Time (TV story)|Out of Time]]'') During rare "negative spikes", the Rift also occasionally abducted random people in time and space from Earth, and disastrously attempted to correct itself. ([[TV]]: ''[[Adrift (TV story)|Adrift]]'') | |||
[[Sarah Jane Smith]] acquired a [[Time Converter]] which allowed her to open and close [[time fissure]]s, but these usually only linked two particular places in time. ([[TV]]: ''[[The Temptation of Sarah Jane Smith (TV story)|The Temptation of Sarah Jane Smith]]'') | |||
Both the [[Great Intelligence]] and [[Clara Oswald]] time travelled by entering [[the Doctor]]'s [[time stream]] from his tomb, both becoming splintered in time. Clara was retrieved by the [[Eleventh Doctor]], while Madame [[Vastra]] presumed the Intelligence to have been killed. ([[TV]]: ''[[The Name of the Doctor (TV story)|The Name of the Doctor]]'') | |||
The [[Tenth Doctor]], in order to defeat some surviving [[Cyberman|Cybermen]] from the [[Battle of Canary Wharf]] created a space-time portal to the Jurassic era by linking the Cybermen's [[teleport]]ation equipment to the TARDIS and then setting the portal to open at the last place in time the TARDIS departed from. This linked the two eras together and allowed a ''Tyrannosaurus Rex'' to partially emerge in the present and destroy two Cybermen. The Doctor closed the portal when he pulled the main power cable and told [[Martha Jones]] that creating one was simple and was something he played with a lot while in school. ([[PROSE]]: ''[[Made of Steel (novel)|Made of Steel]]'') | |||
[[Professor]] [[Whitaker (Invasion of the Dinosaurs)|Whitaker]], who was fascinated with the idea of time travel, used [[time eddy|time eddies]] in order to transport [[dinosaur]]s to modern London. This was done as a part of [[Operation Golden Age]], which consisted of first using the dinosaurs to evacuate London and then rolling back time via the time eddies to colonise the Earth's past before mankind was born in order to replace mankind's history with a new, better civilisation free of corruption and pollution. However, after the [[Third Doctor]] reversed the polarity of Whitaker's machine, the scientist and his accomplice [[Charles Grover]] were teleported through time, possibly to their "Golden Age", as the Doctor believed. ([[TV]]: ''[[Invasion of the Dinosaurs (TV story)|Invasion of the Dinosaurs]]'') | |||
=== Other === | |||
[[Mother G]] claimed to "not really" be a time traveller despite apearing within multiple time periods. ([[COMIC]]: ''[[Mistress of Chaos (comic story)|Mistress of Chaos]]'') | |||
== Blending in == | |||
The [[First Doctor]] normally hid his clothing with a large cloak, while he and his companions pilfered appropriate garments. ([[TV]]: ''[[The Aztecs (TV story)|The Aztecs]]'', etc.) However, from at least his third incarnation onwards, he forwent wearing the correct clothing himself. The [[Eleventh Doctor]] claimed to be a "temporal chameleon" able to blend into any point of time despite what he wore. ([[COMIC]]: ''[[The Chains of Olympus (comic story)|The Chains of Olympus]]'') It was indeed true that the Doctor often made use of [[perception filter]]s during their adventures. ([[TV]]: ''[[The Sound of Drums (TV story)|The Sound of Drums]]'', et. al) | |||
Companion [[Rory Williams]] was annoyed that he and Amy would have to wear togas for visiting [[Athens]] when the Doctor didn't. ([[COMIC]]: ''[[The Chains of Olympus (comic story)|The Chains of Olympus]]'') Alternatively, sometimes, while it was not common, later Doctors did make use of period-accurate clothing. The [[Twelfth Doctor]] and his companion [[Bill Potts]] wore period clothing when visiting the [[1814 frost fair]]. ([[TV]]: ''[[Thin Ice (TV story)|Thin Ice]]'') | |||
== Other references == | |||
The ''[[Aja'ib]]'' contained tales involving time travel. ([[PROSE]]: ''[[Bafflement and Devotion (short story)|Bafflement and Devotion]]'') | |||
On [[Planet Bedtime Stories]], the [[Fourteenth Doctor]] told an audience he loved time travel. ([[TV]]: {{cs|Doctor Who: The Bedtime Story (TV story)|timestamp=00:00:42}}) | |||
== Behind the scenes == | |||
=== Information from invalid sources === | |||
Upon entering [[the Doctor's TARDIS]], [[Data (LEGO Dimensions)|Data]] remarked that time travel was "very [[Danger|dangerous]]", but that it was okay because he [[Knowledge|knew]] what he was doing. ([[GAME]]: ''[[LEGO Dimensions (video game)|LEGO Dimensions]]'') | |||
=== Other matters === | |||
In [[Theory of relativity|General Relativity]], travelling to the future is somewhat easy, if you stay near a massive body or travel fast enough. However, travelling to the past is impossible unless you live in a universe with an exotic geometry or some form of exotic matter. These could allow {{w|closed timelike curve}}s, due to something like the {{w|Tipler cylinder}}. | |||
[[Category:Time travel| *]] | |||
[[Category:Science from the real world]] | |||
[[Category:Temporal theory]] | |||
[[Category:Travel and transportation]] | |||
Latest revision as of 17:30, 21 October 2024
Time travel was, as the name suggested, the process of travelling through time, in any direction. In the 26th century, individuals who time travelled were sometimes known as persons of meta-temporal displacement. (PROSE: The Mary-Sue Extrusion) The Eleventh Doctor compared time travel to "a tear in the fabric of reality". (TV: The Name of the Doctor) In fact, some accounts held that time travel buried and overwrote the original state of linear reality. (PROSE: The Infinity Doctors, Mr Saldaamir)
Individuals who time travelled saw the universe differently, enabling them to perceive changes to time, unless if it was something in their own history being changed. (TV: Flesh and Stone [+]Loading...["Flesh and Stone (TV story)"], Cold Blood [+]Loading...["Cold Blood (TV story)"]) Such a concept was once referred to as "history proof[ing]" by Cousin Eliza. (AUDIO: The Ship of a Billion Years [+]Loading...["The Ship of a Billion Years (audio story)"])
Methods[[edit] | [edit source]]
Technological or biotechnological methods[[edit] | [edit source]]
By space-time vessel[[edit] | [edit source]]
The Time Lords were able to achieve time travel after Omega converted a star into a black hole. (TV: The Three Doctors) They used the Eye of Harmony thereafter to power their civilisation and power their time travel facilities from TARDISes to the extraction chambers which could pluck individuals out of the timeline safely before they died. (TV: The Deadly Assassin, Doctor Who, Journey to the Centre of the TARDIS, Hell Bent) By his ninth and tenth incarnations, the Doctor also used the Cardiff rift to "soak up" its radiation for his TARDIS to use. (TV: Boom Town)
The Third Zone scientists Kartz and Reimer built a primitive time machine modelled on Time Lord technology. It almost worked, but ultimately only made one successful trip before it was destroyed. It needed a Time Lord's Rassilon Imprimatur to work properly. (TV: The Two Doctors)
On Earth, the first pioneer in the field was Orson Pink in the early 22nd century, whose first trip accidentally brought him to the end of the universe. (TV: Listen) Hila Tacorien, great-great-great-great-great-granddaughter of a couple from the 20th century, was a human pioneer explorer of time, who accidentally got lost in a pocket dimension. (TV: Hide)
Magnus Greel used an experimental time cabinet based on 51st century human technology. (TV: The Talons of Weng-Chiang)
The Imperial Daleks under Davros, who already had limited time travel technology, expected to obtain equivalent time travel to the Time Lords by stealing the Hand of Omega and replicating their process on Skaro's sun. (TV: Remembrance of the Daleks)
Osmic projection was a means of time travel used by the Sontarans. The Third Doctor referred to it as rather limited in its temporal range when used by the Sontaran scout. (TV: The Time Warrior)
Time Scoop technology enabled the user to transport other people and objects remotely. Without any ally on the other end, it could leave the user stranded in another time period with no way to return. (TV: Carnival of Monsters)
Time corridor technology was used by the Daleks, (TV: The Evil of the Daleks, Resurrection of the Daleks, Remembrance of the Daleks, Victory of the Daleks) Osirans, (TV: Pyramids of Mars) the Borad (TV: Timelash) and the Ra'ra'vis. (COMIC: Time Fraud) According to the Dalek Time Strategist, the Daleks had been trying to develop time travel from the onset of their existence, fearing the Time Lords' attempt to interfere with their genesis. (AUDIO: The Eternity Cage) Another account held that they had only begun temporal research after the Thal-Dalek battle. (AUDIO: The Lights of Skaro) The Council of Eight made use of a form of time corridor technology to despatch their agents to different eras to affect history; the corridors were unstable and anything passing through them was dispersed by the time winds. (PROSE: Sometime Never...)
A kind of time viewer, called a quantum imager, enabled one to observe and (to a limited degree) communicate with people in the past. (PROSE: The Least Important Man)
Pushing energy into a warp drive could create a time window. (TV: The Girl in the Fireplace)
A warp drive accident fractured one individual, Scaroth, into "fragments" scattered through various eras of time and linked by telepathy. (TV: City of Death) Another warp drive accident had the effect of propelling the vehicle in question roughly sixty-five million years back in time. (TV: Earthshock)
A rift manipulator could be used in conjunction with the temporal rift itself. (TV: Captain Jack Harkness, End of Days)
A vortex manipulator was a crude time travel device. It could miss by hundreds of years and broke down easily. It was referred to by the Tenth Doctor as more of a "space hopper" compared to the TARDIS. (TV: Utopia)
A temporal shift was a form of time travel used by the Daleks. (PROSE: Exit Strategy) The War Doctor labelled it as a dangerous method of time travel, one that the Daleks used only as a last ditch option for escape. (AUDIO: The Lady of Obsidian) Following the Last Great Time War, the Cult of Skaro enacted a temporal shift to escape being sucked into the Void, with Dalek Caan later using it to escape from 1930s New York City. (TV: Doomsday, Evolution of the Daleks)
At some point after the Last Great Time War during which the Time Lords deceived the universe into thinking they were extinct barring the Doctor, the Time Lords sent Missy and Yayani to the Kyme Institute where Doctor Kalub had been experimenting with genetically engineering a whole new creature with time and space travel ability and then imprisoning it within a stasis field. The energies were then harnessed for perpetual energy for time travel. Kalub died, but the creature itself was imprisoned within Missy's TARDIS. (PROSE: Lords and Masters)
Teri Billington's time dilation project allowed the Sentinels of the New Dawn to achieve time travel. After some adjustment by the Third Doctor, her particle accelerator took him and Liz Shaw to 2014. Upon returning, Liz disassembled Billington's particle accelerator, preventing the Sentinels from discovering time travel. (AUDIO: The Sentinels of the New Dawn)
Mirrors[[edit] | [edit source]]
Time travel by use of mirrors was based on the principle that mirrors reflect light and time travel is moving faster than light. If static electricity was passed through the mirrors, more than images could be reflected and whole objects could be sent back in time. As well, certain trace elements in the machine, like taranium, were also needed. (PROSE: The Wheel of Ice)
Edward Waterfield and Theodore Maxtible attracted the attention of the Daleks while experimenting with static electricity and mirrors. (TV: The Evil of the Daleks)
The mysterious Gateway situated in the void between N-Space and E-Space provided access to different times and realities, sometimes through mirrors. (TV: Warriors' Gate)
General Mariah Learman and Professor Osric succeeded briefly in making a functioning time machine with over 100 clocks and 1000 mirrors in her prime ministerial house. The act of measuring time changed time and therefore time could be manipulated. The mirrors were coated in orthopositronium, a material where the positron and the electron orbited each other in the same direction. It briefly worked when the Daleks' ship ran aground in the Time Vortex and they homed in on it and made it work. It needed chronons to work, which were sourced when the Eighth Doctor's companion, Charley, held the master clock. It took her and Viola Learman to William Shakespeare's time. This ceased to function when Charley entered the Doctor's TARDIS. (AUDIO: The Time of the Daleks)
A time machine was created by UNIT with the help of Rose Tyler and the dying TARDIS to send Donna Noble back from the parallel world the time beetle created. (TV: Turn Left)
The Arkive tried to create a mirror-based time machine, but didn't have the necessary parts or skills to make it (PROSE: The Wheel of Ice)
By psychic power or other natural ability[[edit] | [edit source]]
The Eight Legs could teleport as easily through time as through space. K'anpo Rimpoche, a highly advanced Time Lord with great mental discipline, could do the same. (TV: Planet of the Spiders)
The enigmatic Bilis Manger could also also teleport at will through both time and space. This ability was only seen in the vicinity of the Cardiff Rift however. (TV: Captain Jack Harkness, End of Days)
Fenric could transport other living beings via time storms. The people displaced by the time storm often believed they had caused the time storm themselves. (TV: Dragonfire, Silver Nemesis, The Curse of Fenric)
The Fairies could travel through time and space naturally. (TV: Small Worlds)
The Weeping Angels had the ability to send others back in time with a touch. (TV: Blink)
The Trickster, prior to manifesting as a corporeal being, could traverse time and space with ease, though not at any given moment. (TV: Whatever Happened to Sarah Jane?, The Temptation of Sarah Jane Smith)
The Androzani trees travelled through the Time Vortex by using Madge Arwell as a host. (TV: The Doctor, the Widow and the Wardrobe)
By space-time anomaly[[edit] | [edit source]]
The Tharils "rode the time winds". (TV: Warriors' Gate)
A warp ellipse could possibly make time travel possible. (TV: Mawdryn Undead)
Travel via time rift was possible. The Weevils arrived on Earth via this method, (TV: Everything Changes) as did a human aeroplane, the Sky Gypsy. (TV: Out of Time) During rare "negative spikes", the Rift also occasionally abducted random people in time and space from Earth, and disastrously attempted to correct itself. (TV: Adrift)
Sarah Jane Smith acquired a Time Converter which allowed her to open and close time fissures, but these usually only linked two particular places in time. (TV: The Temptation of Sarah Jane Smith)
Both the Great Intelligence and Clara Oswald time travelled by entering the Doctor's time stream from his tomb, both becoming splintered in time. Clara was retrieved by the Eleventh Doctor, while Madame Vastra presumed the Intelligence to have been killed. (TV: The Name of the Doctor)
The Tenth Doctor, in order to defeat some surviving Cybermen from the Battle of Canary Wharf created a space-time portal to the Jurassic era by linking the Cybermen's teleportation equipment to the TARDIS and then setting the portal to open at the last place in time the TARDIS departed from. This linked the two eras together and allowed a Tyrannosaurus Rex to partially emerge in the present and destroy two Cybermen. The Doctor closed the portal when he pulled the main power cable and told Martha Jones that creating one was simple and was something he played with a lot while in school. (PROSE: Made of Steel)
Professor Whitaker, who was fascinated with the idea of time travel, used time eddies in order to transport dinosaurs to modern London. This was done as a part of Operation Golden Age, which consisted of first using the dinosaurs to evacuate London and then rolling back time via the time eddies to colonise the Earth's past before mankind was born in order to replace mankind's history with a new, better civilisation free of corruption and pollution. However, after the Third Doctor reversed the polarity of Whitaker's machine, the scientist and his accomplice Charles Grover were teleported through time, possibly to their "Golden Age", as the Doctor believed. (TV: Invasion of the Dinosaurs)
Other[[edit] | [edit source]]
Mother G claimed to "not really" be a time traveller despite apearing within multiple time periods. (COMIC: Mistress of Chaos)
Blending in[[edit] | [edit source]]
The First Doctor normally hid his clothing with a large cloak, while he and his companions pilfered appropriate garments. (TV: The Aztecs, etc.) However, from at least his third incarnation onwards, he forwent wearing the correct clothing himself. The Eleventh Doctor claimed to be a "temporal chameleon" able to blend into any point of time despite what he wore. (COMIC: The Chains of Olympus) It was indeed true that the Doctor often made use of perception filters during their adventures. (TV: The Sound of Drums, et. al)
Companion Rory Williams was annoyed that he and Amy would have to wear togas for visiting Athens when the Doctor didn't. (COMIC: The Chains of Olympus) Alternatively, sometimes, while it was not common, later Doctors did make use of period-accurate clothing. The Twelfth Doctor and his companion Bill Potts wore period clothing when visiting the 1814 frost fair. (TV: Thin Ice)
Other references[[edit] | [edit source]]
The Aja'ib contained tales involving time travel. (PROSE: Bafflement and Devotion)
On Planet Bedtime Stories, the Fourteenth Doctor told an audience he loved time travel. (TV: Doctor Who: The Bedtime Story [+]Loading...{"timestamp":"00:00:42","1":"Doctor Who: The Bedtime Story (TV story)"})
Behind the scenes[[edit] | [edit source]]
Information from invalid sources[[edit] | [edit source]]
Upon entering the Doctor's TARDIS, Data remarked that time travel was "very dangerous", but that it was okay because he knew what he was doing. (GAME: LEGO Dimensions)
Other matters[[edit] | [edit source]]
In General Relativity, travelling to the future is somewhat easy, if you stay near a massive body or travel fast enough. However, travelling to the past is impossible unless you live in a universe with an exotic geometry or some form of exotic matter. These could allow closed timelike curves, due to something like the Tipler cylinder.
