Questions tagged [communication]

For questions relating to the exchange of ideas and information between beings.

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11
votes
10answers
6k views

How can I store energy/data reliably for 300 million years?

Following this question: How can I implement time travel on a somewhat realistic way? Considering I have a way of getting energy into the past (as said on the previous question), I need a way of ...
10
votes
7answers
3k views

How would the ancient aliens leave an instruction manual

In the future humans have used generational ships to explore the galaxy. It's taken centuries but we have finally found several habitable planets (they are not without their challenges of course). On ...
-1
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2answers
84 views

Reconcile time travel paradox using entanglement

Imagine a crazy nut with exceptional intelligence managed to sent radiowave signals across multiple timelines, 10 years into the past and the future. That messages contained a blueprint of a time ...
28
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15answers
5k views

Why might radios not be effective in a post-apocalyptic world?

The setting is a post-apocalyptic world in the near-future (100-200 years), where remaining humans are living in a few domed cities scattered around the world. The reason for living in the domes, and ...
17
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20answers
6k views

How do telecom companies survive when everyone suddenly knows telepathy?

One day a small meteorite impact occurred somewhere over the Pacific Ocean, and moments later a mysterious green glow sweeps across the globe at an amazing speed. All of a sudden everyone can hear ...
11
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4answers
2k views

How do spaceships compensate for the Doppler shift in their communication frequency?

Assume all radio communication bandwidth used in interstellar communication is standardized to a certain fixed range and all must be frequency modulated but know that no agency is keeping track ...
3
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3answers
273 views

What might block satellite communications (or make them very hard to use)

Imagine a world with two allied nations (countries, kingdoms...) that are separated by a large geographical distance. Those two nations would be at about the same level of development as our (real ...
2
votes
1answer
50 views

How can an advanced civilization help another to overcome the first challenges of the space age?

An advanced civilization, like ours could be in a couple of hundred years, realized that the most challenging time in their history was when they had the knowledge to make global changes, but not the ...
0
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1answer
95 views

What would rotating ears look like on a humanoid species?

I'm trying to make a biologically accurate, human looking species. Since they can't make many sounds, they also use their ears' positions and rotation to have an advanced vocabulary. So the same sound ...
1
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2answers
73 views

Long range communication on a rogue Earth?

Imagine that, for unknown reasons, the Earth has left the solar system. It has been a while now since the event. It's so cold outside that the polar caps met at the equator and the atmosphere froze ...
3
votes
2answers
219 views

What if the speed of light was based off wavelength?

Im making a sci fi story (first part here) and I needed a cool and interesting way to make ftl communication possible, at first I thought, make the speed of light infinite but thats kinda boring so I ...
3
votes
3answers
257 views

An alphabet with alternating reading order

I am in the middle of designing a con-lang that features, among other things a letter reading order that alternates by line from left-to-right to right-to-left and back again. My justification for ...
34
votes
14answers
5k views

Moon base internet functionality

It's 2020 and I've decided the perfect location for my next villainous lair is on the Moon (Earth has too many pesky heroes after all). Fortunately, construction and transit shouldn't be too difficult,...
10
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4answers
1k views

What is the nature of the interstellar message to be accepted by a civilization comparable to humanity at the end of the nineteenth century (19th)?

In a sense, humanity has long been capable of transmitting interstellar messages (METI (messages to extraterrestrial civilizations) - attempts to transmit interstellar messages from humanity to ...
8
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7answers
2k views

How do I announce us to the entire galaxy?

The main problem with sending interstellar messages is that with the distance traveled, their power gradually decreases due to gradual scattering ( diffraction). Imagine that you threw a stone into ...
6
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5answers
602 views

Could aliens communicate by excreting slime?

Bear with me :) The aliens in my story are gastropod-like entities and I would really like them to communicate through the mucus they excrete. What could such communication look like? Preliminary ...
4
votes
3answers
168 views

Could two smart phones work as an intercom on an alien planet?

This question is a follow up to a previous question asked by @AvengingEarth Would a smart phone work on an alien planet? I'm interested in taking a step further. All conditions are as in the previous ...
14
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9answers
1k views

Telex more popular than telephones

This question is inspired by the answer for another question. What changes in technological development after the World War 2 could have led the telex machines to be more popular than telephones, ...
6
votes
2answers
205 views

Communication between City States in Giant Monster World

I'm building a world, which takes place about 300 years in the future after an event in the near future, in which giant elemental monsters started to roam around the earth. These creatures are an ...
12
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16answers
2k views

What movies would you show aliens to show we are friendly? [closed]

Here is an idea that I wanted to play around with but unfortunately hit a brick wall with. Human explorers have found a less advanced intelligent technological species on a faraway planet. For the ...
23
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15answers
3k views

A Truly Universal Listening Device?

The CGI (Cosmic Gateway Interface) System is a set of commands which (nearly?) anyone anywhere can intone in order to trigger some kind of alien tech (which exists somewhere far away), which opens a ...
2
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9answers
2k views

how could an alien species with modern technology communicate at long distances when their language is made up of sign language?

Let's say that these aliens have recently sent up a manned satellite into their orbit. Let's say these aliens mainly speak through sign language. How will these alien astronauts communicate with those ...
11
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9answers
2k views

A plausible explanation for the “ansible?” - FTL communications

I need FTL interstellar communication in my story. Ursula K. Le Guin first used the idea of the "ansible" as a fictional device or technology capable of near-instantaneous or superluminal ...
9
votes
3answers
334 views

Most effective form of biological communication for long distance?

I have got a idea of a eusocial species that creates huge And wide colonies that can go through different environments from underground tunnels, to a island a few miles offshore, to miles away farther ...
3
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8answers
259 views

How would an alien civilization transmit an SOS signal for other sentient beings to pick up on?

This question describes the kinds of signals sentient beings would transmit to let others know of their existence. The methods described are geared towards communicating the mere existence of ...
4
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6answers
640 views

Is it feasible to use light as a transmission vehicle?

Let's just say I'm no scientist, so my understanding of these things is all surface. Having said that, I don't write hard science fiction. But I'm not quite as "magic-like" as Star Wars. My ...
2
votes
1answer
97 views

How would caste system benefits population of hive mind?

Unlike bee population whereby the worker bee or scout bee feedback news through a complex domino style network to inform the rest of their community and then the queen bee(s) will still be busy ...
9
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5answers
1k views

A light tower based communication system

I'm building a world with cities of extremely different technological capabilities. One has a monopoly on gunpowder and one has complete understanding of the magic system in the world. The only ...
4
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4answers
442 views

Secure communications for the modern terrorist

This is my first post in this seemingly awesome forum. I need some suggestions for mobile communications in my detective novel. My story features a US police detective who is pitted against a group ...
16
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10answers
4k views

Is there any advantage to using a centralized hivemind?

Basically, there are 2 types of hiveminds: the common centralized and the uncommon distributed. Centralized means that all units are extensions of the master entity (the badguy alien/robot stereotypes)...
4
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2answers
132 views

Would sound shifts be severe enough for two dialects to be mutually unintelligible after 400 years of no verbal contact?

A group of English-speaking settlers travel to the Earth-like exoplanet of Rataan, which is 5 light years away. They board the generation ship Genesis that will reach Rataan in 200 years (0.25% of the ...
5
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1answer
75 views

How could the connections of a hivemind work to ensure it can't be jammed or tapped?

So, Armchair Chem is an evil corporation that has access to technology some consider unnaturally ahead of its time (the correct term is anachronistic, but whatever). One such is the Replica Forces. A ...
1
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3answers
366 views

Intercontinental radio broadcasting in a post-apocalyptic world

I'm in the process of planning a post-apocalyptic novel. The gist of it is that the vast majority (99.9%+) of all humans simply disappeared from the face of the earth, or so it seems. The story ...
2
votes
2answers
206 views

I want my gryphons and birdfolk to have facial expressions. How?

So, Both birdfolk and gryphons have a head structure, similar to that of birds of prey, i.e: forward facing eyes. Sure, the color of the plumage and the beak-type can vary, but one problem is still ...
6
votes
2answers
107 views

A dragon, a gryphon and a tengu are flying toghether. How can they actually communicate?

One problem, I think writers often overlook, is the problem of flying creatures communicating with each other. I call this the "I can't hear you over the sound of the f@cking headwind!" For my world, ...
0
votes
3answers
165 views

Semi-FTL quantum communications

I'm trying to come up with idea's that have some plausibility of sending information FTL. So we can entangle particles together. When you measure them you influence them. If you measure one up the ...
5
votes
2answers
313 views

How to build a wormhole for FTL communication? [more Engineering than Physics question]

I came to SE WB while I was researching about space radiators for my sci-fi. I don't remember where exactly I found an answer to my question (Maybe? Idr) but I stunned with this site. You all looks ...
3
votes
3answers
313 views

Facial expressions for dragons?

Though this applies to lizardfolk and most creatures with a snout as well, I'm having trouble giving more facial expressions to dragons. Sure, they can wink, bare their fangs and laugh out loud and ...
14
votes
9answers
4k views

How do you send out SOS in space if there is no absolute coordinate?

Imagine your spaceship encountered a gravitational anomaly and discovered that you are lost in space, your computer tells you that you are still inside the Milky Way galaxy but it cannot find the ...
6
votes
7answers
782 views

An effective way for interstellar communication?

Radio waves travel at the speed of light. Communication across vast interstellar distances is difficult due to weak signals and slow multi-year duration. I honestly imagine it to be like old times ...
2
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5answers
288 views

Are (near) instant data transfers feasible on an intergalactic scale?

Inspired partially by this comment on one of my answers, I got to thinking on what the quickest way to communicate would be on an intergalactic scale. Say humans have colonised the galaxy, and use ...
4
votes
6answers
427 views

“Dragon amongst the sheep” How could a dragon avoid other animals registering him as a threat?

So, one of the less know abilities of dragons here is anivoice. Anivoice allows dragons to communicate with birds, mammals, reptiles, dinosaurs and pterosaurs. Of course, the information, relayed by ...
0
votes
6answers
448 views

Designing a safe way to share location of a secret ship

There is a secret ship and it is used by pirates as a recharging point. It has a nuclear reactor as a power source and other ships are using electricity. Let's assume in this world stealth technology ...
19
votes
13answers
4k views

Communicating the idea of danger to an unknown alien civilization

An alien automatic "beacon" tries to warn us about some imminent danger. It does so with launching a succession of large "veils" in front of their star so we can detect them via the transit method. ...
-2
votes
2answers
101 views

Inter-Planetary Communication [closed]

In my universe humans have colonized Phobos, Deimos, the moon, and Mars. However, they have no fast way to communicate with each other. I'm looking for a fast and possible way for humans to ...
6
votes
2answers
294 views

So, magic is based on swarm robotics and nanotechnology. How can I have Anti-magic fields?

So, at its core, magic is using a swarm of tiny (50-100 micrometers), naturally occuring robots to deliver substances to a given location and initiate chemical reactions that lead towards the desired ...
2
votes
1answer
101 views

What factors affect how easy it is to understand a foreign language?

I'm making a homebrew D&D world where, among other things, there is no "common" tongue. I've always found that concept frustratingly unrealistic. Yes, it prevents a lot of problems for adventurers,...
5
votes
3answers
216 views

Ways for advanced civilizations to mask communications on an interstellar / intergalactic scale

Say we have a civilization on the verge of becoming Type II, and are in the process of building a Dyson Sphere. They are aware that in the process, and especially after completion, there will be ...
4
votes
5answers
266 views

Could a language based on absolute pitch develop music?

For those that are arguing that without vocabularly, it isn't considered a language: From Wikipedia: Language is a system that consists of the development, acquisition, maintenance and use of complex ...
4
votes
7answers
2k views

Why don't military spaceships use blockchain technology for ship log? [closed]

Straight to the point, cut out the backstory: If blockchain is so secure and difficult to hack why don't the military spaceship use it for logging important and also non essential events, navigation, ...

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