History Main / SubSpaceAnsible

21st Apr '18 9:36:10 AM ImpudentInfidel
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** And in one case (Literature/CiaphasCain), a message announcing help was on the way was received... decades after the man leading the rescue fleet had retired. Fortunately, Cain was the only one aware that it was an echo, and said nothing to avoid losing morale.

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** And in one case (Literature/CiaphasCain), a message announcing help was on the way was received... decades after the man leading the rescue fleet had retired.retired and the relevant war had ended. Fortunately, Cain was the only one aware that it was an echo, and said nothing to avoid losing morale. In the end Inquisitor Vail points out that the odds of this happening at the exact time they needed it (it forced the enemy into rash actions which cost them the war) are so utterly remote that it probably counts as a miracle.
14th Mar '18 5:51:21 PM zarpaulus
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* In ''Webcomic/{{Drive}}'' most interstellar messages are carried by ships, but there's a recently developed network of relay stations that use the ring drive's space-folding to enable real-time communication [[http://www.drivecomic.com/archive/150123.html across the galaxy]]. However it's expensive enough that it's usually used by the Imperial Familia on-screen.
7th Feb '18 12:59:20 PM Discar
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* ''Literature/HonorHarrington'' has courier ships to carry messages between star systems, but because of the delay, there's no way to control battle groups in multiple systems with military precision. Early in the series, TheKingdom figures out how to create a comm system using gravity pulses (or rather a hyperspatial "echo" of them that travels at 64''c''), but this only works within a system, and initially is roughly as fast (in terms of bandwidth) as Morse code. The technology undergoes multiple improvements, and in the later books is capable of carrying video.

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* ''Literature/HonorHarrington'' has courier ships to carry messages between star systems, but because of the delay, there's no way to control battle groups in multiple systems with military precision. Early in the series, TheKingdom the kingdom figures out how to create a comm system using gravity pulses (or rather a hyperspatial "echo" of them that travels at 64''c''), but this only works within a system, and initially is roughly as fast (in terms of bandwidth) as Morse code. The technology undergoes multiple improvements, and in the later books is capable of carrying video.
3rd Feb '18 3:22:36 AM civetcatcoffee
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** In some circumstances, long-range communications occur in realtime, and in others they do not. Some ExpandedUniverse sources indicate that the signals can be effectively instantaneous if the signal strength is high enough, but this requires a repeater network to maintain over more than a few tens of lightyears.

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** In some circumstances, long-range communications occur in realtime, and in others they do not. Some ExpandedUniverse sources indicate that the signals can be effectively instantaneous if the signal strength is high enough, but this requires a repeater network to maintain over more than a few tens of lightyears. The ''[[AllThereInTheManual TNG Technical Manual]]'', meanwhile, explains that Starfleet exploratory vessels automatically drop subspace signal boosters as they travel in order to maintain contact with the Federation.
12th Dec '17 10:42:04 AM Rday
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* ''Literature/TheRedVixenAdventures'' uses some form of instant communication, which isn't specified beyond being very expensive.
4th Dec '17 11:24:15 AM Cryoclaste
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* Usually, the ''{{Metroid}}'' games avoid this by having no form of communication through space, but in ''Metroid Prime: Hunters'', it's stated that a signal was sent to various bounty hunters via a telepathic frequency.

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* Usually, the ''{{Metroid}}'' ''Franchise/{{Metroid}}'' games avoid this by having no form of communication through space, but in ''Metroid Prime: Hunters'', ''VideoGame/MetroidPrimeHunters'', it's stated that a signal was sent to various bounty hunters via a telepathic frequency.
31st Oct '17 5:47:45 PM jormis29
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* James Hogan uses a similar system (and also worked in the computer industry -- for DEC during the PDP minicomputer days) in his ''Gentle Giants'' series of books where both communication ''and'' FTL travel are accomplished through rotating black holes. ''Toroidal'' black holes. A similar concept is used in his book ''The Genesis Machine,'' in which a Cold War era book about a machine that is initially used to pull information from remote places in real time ''without'' there being a device on the other end to transmit the data is turned into a superweapon to stop the Cold War in its tracks -- by causing a nuclear exchange and destroying the missiles before they hit the ground.

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* James P Hogan uses a similar system (and also worked in the computer industry -- for DEC during the PDP minicomputer days) in his ''Gentle Giants'' series ''Literature/GiantsSeries'' of books where both communication ''and'' FTL travel are accomplished through rotating black holes. ''Toroidal'' black holes. A similar concept is used in his book ''The Genesis Machine,'' in which a Cold War era book about a machine that is initially used to pull information from remote places in real time ''without'' there being a device on the other end to transmit the data is turned into a superweapon to stop the Cold War in its tracks -- by causing a nuclear exchange and destroying the missiles before they hit the ground.
14th Oct '17 12:23:55 AM Piterpicher
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* White Radio in the ''MatadorSeries''. Oddly for most of the series, it only transmits video in black-and-white; color is added on the receiving end, and looks kinda fake.

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* White Radio in the ''MatadorSeries''.''Literature/MatadorSeries''. Oddly for most of the series, it only transmits video in black-and-white; color is added on the receiving end, and looks kinda fake.
12th Oct '17 1:38:38 PM ScorpiusOB1
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*''VideoGame/StarControl'': the [[StarfishAliens silicon-based]] Chenjesu are described as natural hyperspace communicators. The franchise features also the typical (artificial) FTL 'casters,in seemingly real time.
30th Sep '17 6:49:29 PM nombretomado
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* Our universe in ''FineStructure'' used to allow FTL communication (and FTL travel), and nobody knows when [[spoiler: the Imprisoning God excised FTLC from reality.]] That is the reason there are only nine FTLC engineers on Earth.

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* Our universe in ''FineStructure'' ''Literature/FineStructure'' used to allow FTL communication (and FTL travel), and nobody knows when [[spoiler: the Imprisoning God excised FTLC from reality.]] That is the reason there are only nine FTLC engineers on Earth.
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