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{{Quote|Leaning inside the DeLorean, Doc Brown pointed to a particular centerpiece unit. "Get a picture of this on tape," he said. / Marty pointed the [[JVC camcorder|camera]] at the strange-looking object. Moving his head next to it so that he could be seen on camera and describe its workings at the same time, Doc Brown continued in his professional tone. "This is what makes time travel possible — the flux capacitor." / "Flux capacitor, huh?" Marty repeated. "Is that its real name or something you made up?" / "It's a logical title applied by me when I decided to describe its function in one or two words. Any brilliant scientist would have arrived at approximately the same title if given the chance." / Marty chuckled inwardly at the man's humility. He did not dislike him for it, however. As a matter of fact, he found it charmingly refreshing.|From ''[[Back to the Future novelization|Back to the Future]]'' by [[George Gipe]] (quote, page 55)}} |
{{Quote|Leaning inside the DeLorean, Doc Brown pointed to a particular centerpiece unit. "Get a picture of this on tape," he said. / Marty pointed the [[JVC camcorder|camera]] at the strange-looking object. Moving his head next to it so that he could be seen on camera and describe its workings at the same time, Doc Brown continued in his professional tone. "This is what makes time travel possible — the flux capacitor." / "Flux capacitor, huh?" Marty repeated. "Is that its real name or something you made up?" / "It's a logical title applied by me when I decided to describe its function in one or two words. Any brilliant scientist would have arrived at approximately the same title if given the chance." / Marty chuckled inwardly at the man's humility. He did not dislike him for it, however. As a matter of fact, he found it charmingly refreshing.|From ''[[Back to the Future novelization|Back to the Future]]'' by [[George Gipe]] (quote, page 55)}} |
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| − | The ''' |
+ | The '''Flux Capacitor''' was the core component of Dr. [[Emmett Brown]]'s [[time travel]]ing [[DeLorean time machine]] and the following [[Jules Verne Train]]. Doc stated that the flux capacitor "is what makes [[time travel]] possible." |
==How it worked== |
==How it worked== |
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[[File:Flux-Schematic.jpg|thumb|300px|Doc shows Marty what he drew after having a vision.]] |
[[File:Flux-Schematic.jpg|thumb|300px|Doc shows Marty what he drew after having a vision.]] |
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{{Dialogue|Doc|It works! Ha ha, IT WORKS! I FINALLY invent something that works!|Marty|You bet your ass it works!|The conversation between Doc Brown and Marty McFly after the latter shows him the completed flux capacitor in the DeLorean time machine}} |
{{Dialogue|Doc|It works! Ha ha, IT WORKS! I FINALLY invent something that works!|Marty|You bet your ass it works!|The conversation between Doc Brown and Marty McFly after the latter shows him the completed flux capacitor in the DeLorean time machine}} |
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On [[November 5]], [[1955]], Emmett Brown came up with the idea of the flux capacitor after slipping and bumping his head while standing on his [[toilet]] to hang a [[clock]]. The idea came to him in a vision he had after being knocked out. He drew up a [[schematic diagram]] of an inverted Y-shape with wires and stated "flux compression". He also performed some mild calculations on the paper. |
On [[November 5]], [[1955]], Emmett Brown came up with the idea of the flux capacitor after slipping and bumping his head while standing on his [[toilet]] to hang a [[clock]]. The idea came to him in a vision he had after being knocked out. He drew up a [[schematic diagram]] of an inverted Y-shape with wires and stated "flux compression". He also performed some mild calculations on the paper. |
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[[File:BTTF-game-SS-09.jpg|thumb||300px|The flux capacitor depicted in the BTTF game.]] |
[[File:BTTF-game-SS-09.jpg|thumb||300px|The flux capacitor depicted in the BTTF game.]] |
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Since coming up with the idea, Doc spent many years and most of his family fortune trying to get it to work. By [[1962]], he had invented the [[temporal field capacitor]]. It was a prototype time machine that was able to send objects through time, but only during the lifespan of the device. It could only send objects forward through time, as sending objects even a few minutes into the past would cause a buildup of [[flux energy]]. If an object was sent any further back than that, the arrival of the object would overheat the capacitor and start an electrical fire. The problem with the build-up of flux energy was solved by the flux capacitor, allowing time travel to the future, as well as the past. |
Since coming up with the idea, Doc spent many years and most of his family fortune trying to get it to work. By [[1962]], he had invented the [[temporal field capacitor]]. It was a prototype time machine that was able to send objects through time, but only during the lifespan of the device. It could only send objects forward through time, as sending objects even a few minutes into the past would cause a buildup of [[flux energy]]. If an object was sent any further back than that, the arrival of the object would overheat the capacitor and start an electrical fire. The problem with the build-up of flux energy was solved by the flux capacitor, allowing time travel to the future, as well as the past. |
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{{Noncanonend}} |
{{Noncanonend}} |
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The DeLorean was then hidden in the [[Delgado Mine]] by Doc for seventy years because suitable replacement parts were not invented until [[1947]]. <ref>This is presumably a reference to the invention of the [[transistor]].</ref>. It was recovered from the mine in 1955 and repaired by Doc's 1955 counterpart, thus restoring it to working order. Since both [[gasoline]] and garbage were available, the next trip back to 1885 was performed under the car's own power. |
The DeLorean was then hidden in the [[Delgado Mine]] by Doc for seventy years because suitable replacement parts were not invented until [[1947]]. <ref>This is presumably a reference to the invention of the [[transistor]].</ref>. It was recovered from the mine in 1955 and repaired by Doc's 1955 counterpart, thus restoring it to working order. Since both [[gasoline]] and garbage were available, the next trip back to 1885 was performed under the car's own power. |
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| − | Due to a broken fuel line, the DeLorean's final trip from 1885 to 1985 was partially powered by a [[Locomotive 131|steam locomotive]] pushing the vehicle up to 88 |
+ | Due to a broken fuel line, the DeLorean's final trip from 1885 to 1985 was partially powered by a [[Locomotive 131|steam locomotive]] pushing the vehicle up to 88 m.p.h. while using Mr. Fusion to generate the 1.21 gigawatts required to activate the flux capacitor and break the [[time barrier]]. Doc returns to 1985 in a [[Jules Verne Train|time machine made from a locomotive]]. This used a flux capacitor that Doc was able to power using steam (at least with the propulsion requirement for time travel), located on the front of the train, in place of the lamp. |
== Future uses == |
== Future uses == |
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===Fluxus=== |
===Fluxus=== |
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| − | The [ |
+ | The [[wikipedia:Fluxus|Fluxus]] art community commonly used "Flux" to designate various items and products it was associated with. Such items included the flux box, the FluxKit, the FluxFarm, the FluxShop, and a Fluxatlas. There was even a Flux Mass, a parody of the Catholic mass. The art community adopted the term "Fluxus", meaning "flow" or "fluid", implying "change", because it wanted to distinguish itself from earlier forms of Dadaism, and because it was new at the time. |
===Trivia=== |
===Trivia=== |
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*In the [[Back to the Future fourth draft screenplay|fourth draft]] of ''[[Back to the Future]]'', the flux capacitor was called the temporal field capacitor. [[Bob Gale]] later used the name as the prototype of the flux capacitor in the [[Back to the Future: Untold Tales and Alternate Timelines|comic story]] he co-wrote entitled ''[[The Doc Who Never Was]]''. |
*In the [[Back to the Future fourth draft screenplay|fourth draft]] of ''[[Back to the Future]]'', the flux capacitor was called the temporal field capacitor. [[Bob Gale]] later used the name as the prototype of the flux capacitor in the [[Back to the Future: Untold Tales and Alternate Timelines|comic story]] he co-wrote entitled ''[[The Doc Who Never Was]]''. |
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*In the 2004 film ''The Polar Express'' , the flux capacitor can be seen inside the cab of the Berkshire 1225 steam locomotive in a scene where two engineers of the train are trying to retrieve a loose cotter pin during the journey to the North Pole. |
*In the 2004 film ''The Polar Express'' , the flux capacitor can be seen inside the cab of the Berkshire 1225 steam locomotive in a scene where two engineers of the train are trying to retrieve a loose cotter pin during the journey to the North Pole. |
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| + | *The [https://ukm.propstoreauction.com/m/lot-details/index/catalog/244/lot/66325/?url=%2Fm%2Fview-auctions%2Fcatalog%2Fid%2F244%3Fpage%3D3 original schematics] for the flux capacitor were left unused in Back to the Future III and replaced with an updated design, however a few custom-printed schematics were made available in online auctions. In these schematics, they hold detailed instructions on how it works and annotations on how to repair it. |
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''For references to the flux capacitor in popular culture, see '''[[List of references to Back to the Future]]''''' |
''For references to the flux capacitor in popular culture, see '''[[List of references to Back to the Future]]''''' |
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*''[[Back to the Future: The Ride]]'' |
*''[[Back to the Future: The Ride]]'' |
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*''[[Back to the Future: The Animated Series]]'' |
*''[[Back to the Future: The Animated Series]]'' |
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| − | *''[[Teenage Mutant Ninja Turtles]] {{Nc}}{{Mo}}'' |
+ | *''[[Teenage Mutant Ninja Turtles]] (1987 Series) {{Nc}}{{Mo}}'' |
*''[[Star Trek]]'' {{Nc}}{{Mo}} |
*''[[Star Trek]]'' {{Nc}}{{Mo}} |
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*''[[Family Guy]]'' {{Nc}}{{Mo}} |
*''[[Family Guy]]'' {{Nc}}{{Mo}} |
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| − | *''The Polar Express {{Nc}}'' |
+ | *''[[w:c:polarexpress:The Polar Express (film)|The Polar Express]] {{Nc}}'' |
*''[[The Simpsons]] [[wikipedia:The Simpsons Ride|Ride]]'' {{Nc}} |
*''[[The Simpsons]] [[wikipedia:The Simpsons Ride|Ride]]'' {{Nc}} |
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| + | *''[[The Transformers|Transformers Cybertron]]'' {{Nc}}{{Mo}} |
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*''[[Back to the Future: The Card Game]]'' |
*''[[Back to the Future: The Card Game]]'' |
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*''[[Back to the Future: The Game]]'' |
*''[[Back to the Future: The Game]]'' |
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| − | *''[[wikipedia:Jack and the Beanstalk ( |
+ | *''[[wikipedia:Jack and the Beanstalk (2009 film)|Jack and the Beanstalk]]'' {{Nc}} |
| + | *[https://en.wikipedia.org/wiki/Minions Minions] {{Nc}}{{Mo}} |
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*''[[LEGO Dimensions]]'' |
*''[[LEGO Dimensions]]'' |
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*''[[Back to the Future: Untold Tales and Alternate Timelines 2]]'' |
*''[[Back to the Future: Untold Tales and Alternate Timelines 2]]'' |
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Revision as of 21:04, 14 October 2021
The flux capacitor in the DeLorean.
- "This is what makes time travel possible."
- —Doc Brown
- "Leaning inside the DeLorean, Doc Brown pointed to a particular centerpiece unit. "Get a picture of this on tape," he said. / Marty pointed the camera at the strange-looking object. Moving his head next to it so that he could be seen on camera and describe its workings at the same time, Doc Brown continued in his professional tone. "This is what makes time travel possible — the flux capacitor." / "Flux capacitor, huh?" Marty repeated. "Is that its real name or something you made up?" / "It's a logical title applied by me when I decided to describe its function in one or two words. Any brilliant scientist would have arrived at approximately the same title if given the chance." / Marty chuckled inwardly at the man's humility. He did not dislike him for it, however. As a matter of fact, he found it charmingly refreshing."
- —From Back to the Future by George Gipe (quote, page 55)
The Flux Capacitor was the core component of Dr. Emmett Brown's time traveling DeLorean time machine and the following Jules Verne Train. Doc stated that the flux capacitor "is what makes time travel possible."
How it worked
Doc shows Marty what he drew after having a vision.
- Doc: "It works! Ha ha, IT WORKS! I FINALLY invent something that works!"
- Marty: "You bet your ass it works!"
- — The conversation between Doc Brown and Marty McFly after the latter shows him the completed flux capacitor in the DeLorean time machine
On November 5, 1955, Emmett Brown came up with the idea of the flux capacitor after slipping and bumping his head while standing on his toilet to hang a clock. The idea came to him in a vision he had after being knocked out. He drew up a schematic diagram of an inverted Y-shape with wires and stated "flux compression". He also performed some mild calculations on the paper.
The flux capacitor depicted in the BTTF game.
Since coming up with the idea, Doc spent many years and most of his family fortune trying to get it to work. By 1962, he had invented the temporal field capacitor. It was a prototype time machine that was able to send objects through time, but only during the lifespan of the device. It could only send objects forward through time, as sending objects even a few minutes into the past would cause a buildup of flux energy. If an object was sent any further back than that, the arrival of the object would overheat the capacitor and start an electrical fire. The problem with the build-up of flux energy was solved by the flux capacitor, allowing time travel to the future, as well as the past.
The flux capacitor consisted of a box with three small, flashing incandescent lamps arranged as a "Y", located above and behind the passenger seat of the time machine. As the car neared 88 miles per hour, the light of the flux capacitor pulsed faster until it had a steady stream of light, which one was not supposed to look at as indicated by the Dymo warning label SHIELD EYES FROM LIGHT placed across the glass panel. The stainless steel body of the DeLorean also had a beneficial effect on the "flux dispersal" as the capacitor activated, although Doc was interrupted by the arrival of the Libyans before he could finish explaining it to Marty McFly fully. Accessing the flux capacitor safely required disconnection of the capacitor drive, as the Dymo warning label at the top of the unit — DISCONNECT CAPACITOR DRIVE BEFORE OPENING — pointed out.
The coils that can be seen across the front and along the rear sides can be referenced as the temporal demodulation coils (as used in the original blueprints of the vehicle). These play a key part to open a hole in the time barrier.
The flux capacitor can be seen lit up behind Marty just before temporal displacement.
In order to travel through time, the vehicle integrated with the flux capacitor needed to be traveling at 88 mph (140.8 km/h), and required 1.21 gigawatts of power (1,210,000,000 watts), originally supplied by a plutonium-powered nuclear reactor. However, for the time machine's return trip (from 1955 back to 1985), plutonium was not available, so a lightning rod was connected directly into the flux capacitor and was used while the vehicle sustained 88 m.p.h. Plutonium was used once again for a trip forward in time at least 30 years, and at some point thereafter the plutonium reactor was replaced by a Mr. Fusion home energy generator from the future that was fueled by extracting hydrogen atoms from garbage.
The DeLorean once again came back to 1985 and proceeded to travel to 2015, where it was stolen by Biff Tannen, taken back to 1955 and returned to 2015 without Doc's knowledge. When they returned in 1985, they found it was a different present, so they traveled back to 1955 to fix the space-time continuum. The DeLorean was again struck by lightning in the year 1955, this time by accident. The lightning created an overload and caused a malfunction in the time circuits sending the vehicle back to January 1, 1885. Earlier, the 1885 date was already displayed before the lightning hit, after the LED read-outs flashed. [1]
The DeLorean was then hidden in the Delgado Mine by Doc for seventy years because suitable replacement parts were not invented until 1947. [2]. It was recovered from the mine in 1955 and repaired by Doc's 1955 counterpart, thus restoring it to working order. Since both gasoline and garbage were available, the next trip back to 1885 was performed under the car's own power.
Due to a broken fuel line, the DeLorean's final trip from 1885 to 1985 was partially powered by a steam locomotive pushing the vehicle up to 88 m.p.h. while using Mr. Fusion to generate the 1.21 gigawatts required to activate the flux capacitor and break the time barrier. Doc returns to 1985 in a time machine made from a locomotive. This used a flux capacitor that Doc was able to power using steam (at least with the propulsion requirement for time travel), located on the front of the train, in place of the lamp.
Future uses
By 1893, Doc had constructed a second flux capacitor to power the Jules Verne Train. When its first time travel experiment failed, he set up a steam time car with its own flux capacitor. This enabled him to travel forwards to 2035. This same flux capacitor would later be incorporated into the time parachute, and later, the second DeLorean time machine.
During an escapade in 2585, the Jules Verne Train's flux capacitor was damaged and required a piece of platinum for functionality to be restored. This platinum was found in the form of a leaf of the ruby begonia, which the queen of Apocrypha allowed Jules to take.
Behind the scenes
A fan-created flux capacitor
"Jigowatt"
In the movie, the power required is pronounced "one point twenty-one jigowatts". Although this pronunciation of "gigawatt" was once considered the correct one, it is no longer the most common. (In addition, since Robert Zemeckis and Bob Gale were unfamiliar with the term, they misspelled it in the script.) Because of this, a "jigowatt" will sometimes be referred to on internet forums as a fictional unit or to make fun of someone's electrical knowledge. The spelling "jigowatt" is used in the novelizations of the second and third films. However, George Gipe's novelization of the original film uses the correct spelling "gigawatt".
Electronics
The phrase "flux capacitor" has appeared in more serious contexts. U.S. Patent 6,084,285 describes a "lateral flux capacitor having fractal-shaped perimeters", the idea being to make a capacitor in an integrated circuit, some of whose capacitance exists between two conductors on a single layer (hence, "lateral"). The device is not a lateral flux-capacitor but a lateral-flux capacitor.
Flux is commonly used in electronics and electromagnetic theory and application, but rarely in the context of a capacitor. In general terms, flux simply means the rate at which some quantity (such as electric charge) passes through a surface (e.g. charge flux). It is speculated that the movie terminology is used fictitiously to represent a new and unknown type of flux.
Fluxus
The Fluxus art community commonly used "Flux" to designate various items and products it was associated with. Such items included the flux box, the FluxKit, the FluxFarm, the FluxShop, and a Fluxatlas. There was even a Flux Mass, a parody of the Catholic mass. The art community adopted the term "Fluxus", meaning "flow" or "fluid", implying "change", because it wanted to distinguish itself from earlier forms of Dadaism, and because it was new at the time.
Trivia
"Flux capacitor blueprints" as seen in Jack and the Beanstalk.
"1.21 gigawatts" in Jack in the Beanstalk.
- The Spanish dubbing of the film mistranslated flux as the nonexistent fluzo instead of flujo, adding to the exoticity of a condensador de fluzo.
- The Italian dubbing of the film mistranslated the name as "flusso canalizzatore", which roughly means "channeling flux"; however, when Marty reads the letter from Doc in the third movie, it talks about the broken "condensatore di flusso", which is an exact translation of "flux capacitor", but at this point appears to be totally unrelated to the rest of the movies (at least for only-Italian-speaking people).
- In the German-dubbed version, the device was once again mistranslated and called the "fluxkompensator" ("flux compensator"). The correct German translation for the word capacitor, however, would be "'Kondensator".
- In the French version, the DeLorean needs 2.21 gigawatts instead of 1.21.
- The original flux capacitor props used high pressure gas relays as the active components which while operating created the steady pulsing which is seen when the time circuits are turned on.
- In the fourth draft of Back to the Future, the flux capacitor was called the temporal field capacitor. Bob Gale later used the name as the prototype of the flux capacitor in the comic story he co-wrote entitled The Doc Who Never Was.
- In the 2004 film The Polar Express , the flux capacitor can be seen inside the cab of the Berkshire 1225 steam locomotive in a scene where two engineers of the train are trying to retrieve a loose cotter pin during the journey to the North Pole.
- The original schematics for the flux capacitor were left unused in Back to the Future III and replaced with an updated design, however a few custom-printed schematics were made available in online auctions. In these schematics, they hold detailed instructions on how it works and annotations on how to repair it.
For references to the flux capacitor in popular culture, see List of references to Back to the Future
Appearances
The flux capacitor.
- Back to the Future
- Back to the Future Part II
- Back to the Future Part III
- Back to the Future Part II & III (Password for skipping to Part III is, Flux Capacitor is the Power.)
- Back to the Future: The Ride
- Back to the Future: The Animated Series
- Teenage Mutant Ninja Turtles (1987 Series) (Non-canonical appearance)(Mentioned only)
- Star Trek (Non-canonical appearance)(Mentioned only)
- Family Guy (Non-canonical appearance)(Mentioned only)
- The Polar Express (Non-canonical appearance)
- The Simpsons Ride (Non-canonical appearance)
- Transformers Cybertron (Non-canonical appearance)(Mentioned only)
- Back to the Future: The Card Game
- Back to the Future: The Game
- Jack and the Beanstalk (Non-canonical appearance)
- Minions (Non-canonical appearance)(Mentioned only)
- LEGO Dimensions
- Back to the Future: Untold Tales and Alternate Timelines 2
Notes and references
- ↑ This is a reference to earlier in the film when Doc exclaims that he needs to fix them (they also flash a random date before he hits it and they are corrected), contrary to popular belief the 1885 date was not caused by the lightning hitting the DeLorean.
- ↑ This is presumably a reference to the invention of the transistor.