History Main / SubSpaceAnsible

3rd Jan '17 7:55:56 PM zarpaulus
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[[folder:Film]]
* In ''Film/{{Passengers|2016}}'' after Jim is accidentally woken up 30 years into a 120-year voyage on a SleeperStarship he sends an email to the customer service office for the company that built the ship, and then the computer says the message will take about 25 years to reach Earth and a reply should arrive in 55 years. And he just spent six thousand dollars on that one transmission.
30th Dec '16 9:25:27 AM StarformDCX
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* One of the entries in the Literature/XWingSeries has the squadron tapping in on a pirate conversation. They figure out how far apart the two conversing parties are by the length of the pauses, and by doing so, pinpoint their locations.



* One of the entries in the Literature/XWingSeries has the squadron tapping in on a pirate conversation. They figure out how far apart the two conversing parties are by the length of the pauses, and by doing so, pinpoint their locations.
18th Dec '16 11:07:45 PM Doug86
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** One solution to TheLongitudeProblem, which similarly involved trying to transmit information (Greenwich Mean Time) over vast distances (the ocean) beyond the scope of modern technology (handwritten letters), was to keep a wounded dog in a cage on a sailing ship. A person in London would dip its bloodied bandage into what was called "[[SympatheticMagic the powder of sympathy]]" at a prearranged time, whereupon the dog would yelp at the same instant. In case it wasn't blindingly obvious, this theory never caught on with the scientific community.

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** One solution to TheLongitudeProblem, UsefulNotes/TheLongitudeProblem, which similarly involved trying to transmit information (Greenwich Mean Time) over vast distances (the ocean) beyond the scope of modern technology (handwritten letters), was to keep a wounded dog in a cage on a sailing ship. A person in London would dip its bloodied bandage into what was called "[[SympatheticMagic the powder of sympathy]]" at a prearranged time, whereupon the dog would yelp at the same instant. In case it wasn't blindingly obvious, this theory never caught on with the scientific community.
5th Dec '16 6:31:36 PM Discar
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* ''Literature/TheStormlightArchive'': A few years before the start of the story, spanreed [[{{Magitek}} fabrials]] are developed, which link two quills so that when they are both turned on, they will mirror each other no matter how far apart they are; combined with a standardized writing desk, and instantaneous long-distance communication is achieved. While it's used as essentially a telegraph, it actually functions using quantum entanglement, meaning that there is no upper range of the effect. Once the planet progresses more, they will be able to use it as a more traditional ansible.
21st Nov '16 8:34:15 AM Morgenthaler
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* The ''{{Starslip}}'' technical manual asserts that FTL communication is actually an incredibly sophisticated computer that anticipates what the other party will say. "Modern" systems are so good, it can predict and initiate a call at the same time it is placed, light-years away. FTLTravel is almost as preposterously handwaved.

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* The ''{{Starslip}}'' ''Webcomic/{{Starslip}}'' technical manual asserts that FTL communication is actually an incredibly sophisticated computer that anticipates what the other party will say. "Modern" systems are so good, it can predict and initiate a call at the same time it is placed, light-years away. FTLTravel is almost as preposterously handwaved.



* In ''AMiracleOfScience'' the Mars HiveMind developed an FTL communications network so they could be in constant contact with one another and allowed the unaugmented human colonies across the solar system to use it as well. They're capable of FTL travel as well, but they haven't told many others that yet.

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* In ''AMiracleOfScience'' ''Webcomic/AMiracleOfScience'' the Mars HiveMind developed an FTL communications network so they could be in constant contact with one another and allowed the unaugmented human colonies across the solar system to use it as well. They're capable of FTL travel as well, but they haven't told many others that yet.



* ''QuentynQuinnSpaceRanger'' features subspace radio and the hypernet, an information network that piggy-backs on the hive mind of an alien species. This species, the Confidantines, have special privileges in the galactic community, such as being immune from interrogation, and anyone who ''does'' try to interrogate one of them will find themselves, their home planet, and possibly their entire species cut off from the hypernet for at least a century. [[DisproportionateRetribution The Confidantines take space-age cyber security very seriously.]]

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* ''QuentynQuinnSpaceRanger'' ''Webcomic/QuentynQuinnSpaceRanger'' features subspace radio and the hypernet, an information network that piggy-backs on the hive mind of an alien species. This species, the Confidantines, have special privileges in the galactic community, such as being immune from interrogation, and anyone who ''does'' try to interrogate one of them will find themselves, their home planet, and possibly their entire species cut off from the hypernet for at least a century. [[DisproportionateRetribution The Confidantines take space-age cyber security very seriously.]]
15th Nov '16 1:40:09 PM epoxy
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If PsychicPowers exist in a setting, they often work instantaneously at any distance, and function as a SubspaceAnsible. Quantum entanglement is a popular explanation.

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If PsychicPowers exist in a setting, they often work instantaneously at any distance, and function as a SubspaceAnsible. Quantum entanglement is a popular explanation.
explanation, since QuantumMechanicsCanDoAnything.
14th Nov '16 1:18:50 PM epoxy
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* The ansible appears in most of Creator/UrsulaKLeGuin's ''Ekumen'' novels. In ''The Dispossessed'' she tells, among other things, the story of its invention.
** It's interesting to note that, in the world of the Ekumen, there is no faster-than-light space travel, but there are FTL weapons. It's explained by saying that nobody can survive faster than light speed but radio waves and unmanned ships have no problem. In ''Rocannon's World'', there are even FTL weapons that have people inside them, to be launched in event of emergency; they're the equivalent of suicide bombers. There is, however, survivable near light speed travel.
*** Later into the cycle the problem of the FasterThanLightTravel gets solved, but as the means to do so are both [[TelepathicSpacemen psychic]] and [[JourneyToTheCenterOfTheMind mystical]], the results are... varied.

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* The ansible TropeNamer appears in most of Creator/UrsulaKLeGuin's ''Ekumen'' novels. LeGuin devised "ansible" as a contraction of "answerable."
**
In ''The Dispossessed'' she tells, among other things, the story of its invention.
** It's interesting In ''The Left Hand of Darkness'' it's clarified that the ansibile needs a significant gravity source to note that, in work, so one "end" of the connection is a "stabile" and must be fixed on a planet while the "ansibile" is portable.
** In
the world of the Ekumen, there is no faster-than-light space travel, but there are FTL weapons. It's explained by saying that nobody No living thing can survive faster than light speed FTL but radio waves and unmanned ships have no problem. In ''Rocannon's World'', there are even FTL weapons that have people inside them, to be launched in event of emergency; they're the equivalent of ships packed with bombs whose pilots are effectively suicide bombers. There is, however, survivable near light speed travel.
***
bombers, ready to sacrifice themselves in a case of dire emergency.
**
Later into the cycle the problem of the FasterThanLightTravel gets solved, but as the means to do so are both [[TelepathicSpacemen psychic]] and [[JourneyToTheCenterOfTheMind mystical]], the results are... varied.
9th Nov '16 10:02:28 AM ChronoLegion
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** In the prequel novels, the existence of instantaneous communication is deduced by [[spoiler:Lem Jukes, CEO of Juke, Ltd., when his father Ukko Jukes, the first Hegemon, appears to be having a meeting with the Strategos and the Polemarch, both of which are located far from Luna, and yet Ukko appears to be treating it as a real-time conversation. Lem then sends an employee to spy on some Hegemony technicians, who reveals the existence of an FTL communications system based on [[QuantumMechanicsCanDoAnything quantum entanglement]]. Basically, the communication involves creating two particles that behave as one, even when far apart. The communication device then observes or causes changes in its particle, which is instantaneously relayed to the companion particle in another device. Initially, the devices were bulky and only worked on a one-to-one basis, requiring multiple devices for communicating with multiple people. Eventually, scientists learned to array particles in a single (slimmer) device that allowed it to be used to contact multiple devices, also increasing the communication link to allow audio-visual communication instead of simple text messages]]. The technology is classified top secret for fear of it falling into the hands of terrorists, whose communications would then be possible to intercept. Anyone, who manages to find out about it is usually conscripted into the IF and sent to serve somewhere far from the public eye.
3rd Nov '16 10:02:28 PM nombretomado
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* Creator/AlanDeanFoster uses the SubspaceOrHyperspace version in his ''HumanxCommonwealth'' series. "Space plus" is hyperspace and is used for FasterThanLightTravel - it can also be used for communication but at the same speed as starships. "Space minus" is subspace and can be used for near-instantaneous communication, but at a very high energy cost. Later in the series, it's revealed that SufficientlyAdvancedAliens figured out how to travel in space minus as well.

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* Creator/AlanDeanFoster uses the SubspaceOrHyperspace version in his ''HumanxCommonwealth'' ''Literature/HumanxCommonwealth'' series. "Space plus" is hyperspace and is used for FasterThanLightTravel - it can also be used for communication but at the same speed as starships. "Space minus" is subspace and can be used for near-instantaneous communication, but at a very high energy cost. Later in the series, it's revealed that SufficientlyAdvancedAliens figured out how to travel in space minus as well.
5th Oct '16 4:26:11 PM nombretomado
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* ''EveOnline'' uses [[http://www.eveonline.com/background/communication/ pairs of particles which are synchronized with each other]]: Manipulating one affects the other as well, no matter the distance between the two particles. This was used to create a galaxy-wide network (not unlike the Internet) where latency due to physical distance is not an issue. Carrying one half of a particle pair on a spaceship allows one to "phone home" from any part of the galaxy.

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* ''EveOnline'' ''VideoGame/EveOnline'' uses [[http://www.eveonline.com/background/communication/ pairs of particles which are synchronized with each other]]: Manipulating one affects the other as well, no matter the distance between the two particles. This was used to create a galaxy-wide network (not unlike the Internet) where latency due to physical distance is not an issue. Carrying one half of a particle pair on a spaceship allows one to "phone home" from any part of the galaxy.
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