Communities

Writing
Writing
Codidact Meta
Codidact Meta
The Great Outdoors
The Great Outdoors
Photography & Video
Photography & Video
Scientific Speculation
Scientific Speculation
Cooking
Cooking
Electrical Engineering
Electrical Engineering
Judaism
Judaism
Languages & Linguistics
Languages & Linguistics
Software Development
Software Development
Mathematics
Mathematics
Christianity
Christianity
Code Golf
Code Golf
Music
Music
Physics
Physics
Linux Systems
Linux Systems
Power Users
Power Users
Tabletop RPGs
Tabletop RPGs
tag:snake search within a tag
answers:0 unanswered questions
user:xxxx search by author id
score:0.5 posts with 0.5+ score
"snake oil" exact phrase
votes:4 posts with 4+ votes
created:<1w created < 1 week ago
post_type:xxxx type of post
Search help
Notifications
Mark all as read
Q&A

Posts tagged faster-than-light

This tag doesn't have any usage information yet.

This tag doesn't have a detailed wiki yet.

66%
+2 −0
Q&A What would one experience travelling through an invisible Krasnikov tube, and how much could they be used to cut travel times?

Effectively what the title says; What would different observers experience while travelling through / seeing one travel through the tube, and how could they be used to cut travel times? (Just answe...

1 answer  ·  posted 2y ago by MrKred‭  ·  last activity 2y ago by wizzwizz4‭

60%
+1 −0
Q&A Would Alcubierre Drive Technology Allow for Artificial Event Horizons?

So, my understanding of how Alcubierre drives would theoretically work is not particularly complete. I know it involves compressing and expanding space, but I don't really have an intuitive grasp ...

1 answer  ·  posted 2y ago by FlyingLemmingSoup‭  ·  last activity 2y ago by FlyingLemmingSoup‭

50%
+0 −0
Q&A What FTL models are appropriate given my constraints?

I'd like to have faster-than-light travel (and communications) be an late-game option for a video game I am working on. The extent of the playable universe is approximately 4 million light years in...

5 answers  ·  posted 2y ago by John O‭  ·  last activity 2y ago by John O‭

50%
+0 −0
Q&A Can cherenkov effect be used for telling how fast FTL spaceship moves?

Imagine an alternate universe where FTL do happens, let's just say the inhabitants discovered a hypothetical particles that allows ordinary matter to temporarily be in superposition of any amount o...

1 answer  ·  posted 2y ago by user6760‭  ·  last activity 2y ago by user6760‭

50%
+0 −0
Q&A Can we safe FTL from paradoxes by using a Multiverse?

As we know, bi-directional faster than light (FTL) travel can cause paradoxical situations. One possible way to resolve this would be a multiverse theory: Whenever a paradox could arise, the univer...

5 answers  ·  posted 2y ago by mart‭  ·  last activity 2y ago by mart‭

50%
+0 −0
Q&A 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...

2 answers  ·  posted 2y ago by Rodolfo Penteado‭  ·  last activity 2y ago by Rodolfo Penteado‭

50%
+0 −0
Q&A I have a way of giving something negative mass. Did I just end the world,or usher in a golden age of space travel?

So, somehow, I have discovered a process that makes an objects mass negative. Not its weight, its mass (although, I guess that the weight would also become negative). The thing is, before I try it,...

1 answer  ·  posted 3y ago by Mark Gardner‭  ·  last activity 3y ago by Mark Gardner‭

50%
+0 −0
Q&A What would the view from a spaceship traveling through inter-galactic space look like?

My character is traveling aboard a spaceship through inter-galactic space (it has left the Milky Way). The ship is traveling at the speed of light or so and has been for the last six thousand years...

1 answer  ·  posted 3y ago by marmel‭  ·  last activity 3y ago by marmel‭

50%
+0 −0
Q&A How fast would a civilization with FTL spread out?

Let's say that a civilization has access to FTL. Let's say it is instantaneous so travel time between solar systems isn't a factor. How long would it take for them to spread out from their home sol...

10 answers  ·  posted 3y ago by Jonas‭  ·  last activity 3y ago by Jonas‭

50%
+0 −0
Q&A How to resolve the transporter conundrum in a FTL spaceship?

Imagine a spaceship capable of achieving faster than light travel uses several transporters to allow crew members to move around its interior at the constant speed of light. What happens to the cre...

5 answers  ·  posted 3y ago by user6760‭  ·  last activity 3y ago by user6760‭

50%
+0 −0
Q&A What kind of faster-than-light travel is this and is it at least plausible?

I've had a fairly complex world built up in my head for several years and finally writing a story in it. One thing I'm struggling with is explaining the galaxy's faster-than-light traveling. It's n...

4 answers  ·  posted 3y ago by snowymacie‭  ·  last activity 3y ago by snowymacie‭

50%
+0 −0
Q&A Would there theoretically be an accompanying effect to something moving beyond the speed of light?

I have only encountered the "Sonic Boom" a couple of times in my life, once when I was lucky enough to watch Concorde fly over my town in the late 70's. In a story I'm writing someone claims to ha...

5 answers  ·  posted 3y ago by Tommy‭  ·  last activity 3y ago by Tommy‭

50%
+0 −0
Q&A If an Alcubierre Drive is possible, can you communicate FTL without a vessel?

Assume that an Alcubierre drive is feasible. In fact, assume that one has been built. A superluminal starship can propel itself through space by distorting space in front of it and behind it. Howev...

3 answers  ·  posted 3y ago by kingledion‭  ·  last activity 3y ago by kingledion‭

50%
+0 −0
Q&A Escaping a blackhole with an Alcubierre drive?

If your ship just got trapped inside the event horizon of an super massive black hole, could the ship "accelerate" back out with an alcubierre drive?

2 answers  ·  posted 3y ago by sirzento‭  ·  last activity 3y ago by sirzento‭

50%
+0 −0
Q&A What plausible reason could I give for my FTL drive only working in space

I've created a fairly fleshed out, detailed FTL concept. Basically, you have a circular starship, with a ring of tungsten encircling that, held in place by an antigravity ring beneath it. The rim o...

13 answers  ·  posted 3y ago by Locaq‭  ·  last activity 3y ago by Locaq‭

60%
+1 −0
Q&A How could a civilization detect tachyons?

In an effort to work out a believable form of faster-than-light communications for my setting, I've ruled out a few things: wormholes (which are in use, but are too random in where they lead, to be...

5 answers  ·  posted 3y ago by Cereza‭  ·  last activity 3y ago by Cereza‭

50%
+0 −0
Q&A Are there any issues with this FTL drive concept?

I asked a question earlier on here concerning Negative and Heavy Matter - hypothetical types of matter I created to have a working FTL drive. With some extra work, I've tweaked the concept and been...

3 answers  ·  posted 3y ago by Locaq‭  ·  last activity 3y ago by Locaq‭

50%
+0 −0
Q&A What would an external observer see when passed by an Alcubierre drive ship?

My answer to the question Is there a scientifically sound faster-than-light travel system for a spaceship? involved an Alcubierre-drive starship. However, that then got me thinking. What would an ...

8 answers  ·  posted 8y ago by Monty Wild‭  ·  last activity 3y ago by Monty Wild‭

50%
+0 −0
Q&A What would happen if the speed of light was fundamentally faster?

Now maybe this belongs in physics, but I want it here because I'm interested in the impacts on our society if the speed of light (c) were to be 2x faster since the big bang. My first thoughts were...

6 answers  ·  posted 6y ago by Alex Robinson‭  ·  last activity 3y ago by Alex Robinson‭

50%
+0 −0
Q&A Non-causality-violating FTL travel. / Can omnipotence beat causality?

While building my sifi world I dug into ftl-travel and encountered these mean bullies, causality and relativity. They told me I can't have faster than light travel, because effect can't precede cau...

3 answers  ·  posted 3y ago by TheDyingOfLight‭  ·  last activity 3y ago by TheDyingOfLight‭

50%
+0 −0
Q&A Alcubierre warp-lanes, what is the most stable way to create them?

2 informational references for Alcubierre fields can be found at the end of this question. Warp-lanes aren't a novelty in science-fiction. Space ships can use a specific route to go through a Gala...

2 answers  ·  posted 4y ago by Demigan‭  ·  last activity 4y ago by Demigan‭

50%
+0 −0
Q&A How would FTL travel appear through window of ship?

How would faster-than-light travel appear through window of a space vessel? All the movies and TV shows like Star Trek and Star Wars seem unrealistic: Star Trek credits: passing stars get bigger...

4 answers  ·  posted 7y ago by System‭  ·  last activity 4y ago by System‭

50%
+0 −0
Q&A How can I know where to point my spaceship?

Let's assume we have a working FTL drive and thus interstellar travel is possible, either by traveling at very high speeds or by instant teleportation (the two main subtypes of FTL drives in sci-fi...

12 answers  ·  posted 4y ago by Massimo‭  ·  last activity 4y ago by Massimo‭

50%
+0 −0
Q&A Can this version of the Alderson Drive be used to violate causality?

I'm working on a simulator-type game which I want to be at least internally consistent, and which I'd like to work as close to reality as possible. That being said, it's set in space, which means t...

7 answers  ·  posted 8y ago by AdamHovorka‭  ·  last activity 4y ago by AdamHovorka‭

50%
+0 −0
Q&A FTL travel is impossible. How is interstellar trade possible?

Assume a universe depressingly like ours, in which special relativity holds. No hyperspace, no warp drive, no wormholes, and even the limited get-out clauses offered by real world physics either do...

26 answers  ·  posted 7y ago by Lostinfrance‭  ·  last activity 4y ago by Lostinfrance‭

50%
+0 −0
Q&A How could an multi-world economy exist if FTL communication, but not travel, existed?

Imagine that we one day invent an ansible, capable of near-instantaneous FTL communication, but we can not transport physical matter any faster than light. Imagine also that we have gotten to the ...

8 answers  ·  posted 7y ago by dsollen‭  ·  last activity 4y ago by dsollen‭

50%
+0 −0
Q&A Could faster-than-light supernova remnants form a star system?

Most current planets, and any inhabitants living on them, are ultimately the product of long-dead supernovas that exploded and sent matter across the universe, where it eventually got caught with o...

2 answers  ·  posted 7y ago by Padlite‭  ·  last activity 4y ago by Padlite‭

50%
+0 −0
Q&A Is there a scientifically plausible faster-than-light communication system?

In series such as the Hyperion Cantos and Ender's Game, there exist fictional faster-than-light communication systems allowing either instantaneous, or near-instantaneous transmission of informatio...

9 answers  ·  posted 8y ago by Kohlbrr‭  ·  last activity 4y ago by Kohlbrr‭

50%
+0 −0
Q&A Long-term effects of leaving everything you know - the aging issue

My current ongoing science fiction project has FTL travel that is instantaneous for the ships and their crews, but still, usually, takes years of real-time in the rest of the universe. This is goin...

2 answers  ·  posted 4y ago by Ash‭  ·  last activity 4y ago by Ash‭

50%
+0 −0
Q&A How can I locate myself in a random point of space?

Some Context I'm creating a universe where humanity has reached the stars. They've colonized a few star systems and, obviously, FTL drives are a common thing. They basically jump you to another lo...

3 answers  ·  posted 4y ago by Magus‭  ·  last activity 4y ago by Magus‭

50%
+0 −0
Q&A The worlds between, the consequences of instantaneous FTL

For some time I've been working on a universe with non-instantaneous Faster-Than-Light travel, but I've decided to open a new universe with instantaneous travel. So I'm working on the differences t...

13 answers  ·  posted 4y ago by Ash‭  ·  last activity 4y ago by Ash‭

50%
+0 −0
Q&A What is INSIDE a Wormhole?

IF they were real, would wormholes work in the way that they do in sci-fi (for all intents and purposes "teleportation", travel without movement, FTL, immediately "appearing" at the other location)...

2 answers  ·  posted 5y ago by Len‭  ·  last activity 4y ago by Len‭

50%
+0 −0
Q&A The Paradox Men - Cosmology

In Charles L Harness's 'The Paradox Men', a spaceship crashes on earth several years before it launches, having circumnavigated the universe faster than the speed of light. It is a good read, but ...

5 answers  ·  posted 4y ago by Atcrank‭  ·  last activity 4y ago by Atcrank‭

50%
+0 −0
Q&A How flat is "Flat Space"?

The idea of "Flat Space", an area of space-time with minimal, preferably zero, gravitational curvature, is an important concept in many Sci-fi universes, often those with "jump-drive" based FTL tra...

3 answers  ·  posted 4y ago by Ash‭  ·  last activity 4y ago by Ash‭

50%
+0 −0
Q&A Would 'cheap' FTL make powerful telescopes obsolete?

Imagine we have a faster-than-light drive which costs ~$250,000 USD per drive and can propel an ISS-sized craft at 1000 times the speed of light. It is reliable and has safeguards that stop it from...

14 answers  ·  posted 7y ago by Amziraro‭  ·  last activity 4y ago by Amziraro‭

50%
+0 −0
Q&A Could a huge pole that's moved back and forth be a method of FTL communication?

Here's the plan for the proposed system of FTL communication. A huge pole made of the strongest solid in existence (or whatever solid would work best for this scenario, if no solid exists that wo...

3 answers  ·  posted 4y ago by Sydney Sleeper‭  ·  last activity 4y ago by Sydney Sleeper‭

50%
+0 −0
Q&A Wormhole travel system: how would they connect the systems?

Here, star systems are connected with "wormholes". The wormholes facilitate travel at $250\ c$, regardless of mass. They are made using special ships. Any travel (including military vessels) not th...

2 answers  ·  posted 4y ago by user_194421‭  ·  last activity 4y ago by user_194421‭

50%
+0 −0
Q&A tachyonic FTL travel?

Suppose you had a device with the ability to temporarily give your ship tachyonic properties. Would this allow for FTL? How would it affect warfare in a sci fi universe? The reason I am asking thi...

2 answers  ·  posted 4y ago by Efialtes‭  ·  last activity 4y ago by Efialtes‭

60%
+1 −0
Q&A What realistic way could limit an FTL drive to only travelling between stars?

How could a Faster than light drive be limited to only travelling between different solar systems, and not within a solar system? I don't really want to allow travel between planets in the same sol...

29 answers  ·  posted 5y ago by VenusUberAlles‭  ·  last activity 5y ago by VenusUberAlles‭

50%
+0 −0
Q&A Science-based FTL drive

So I'm writing a story about a crew of scientists that explore the universe searching for a hidden knowledge in embed in the fabric of the space itself. More like to the Destiny's crew from Stargat...

13 answers  ·  posted 6y ago by Lucas Leite‭  ·  last activity 5y ago by Lucas Leite‭

50%
+0 −0
Q&A Is there a technological difference between going half light speed and near light speed?

Assuming a civilization has the capacity to build space vessels designed to travel from one solar system to another, what is the technological difference between traveling at 50% light speed and tr...

8 answers  ·  posted 5y ago by Premier Bromanov‭  ·  last activity 5y ago by Premier Bromanov‭

50%
+0 −0
Q&A Using magnetic fields to prevent a weaponized warp drive?

I've been thinking of ways that an FTL-capable galaxy would prevent weaponized FTL missiles. Ignoring causality violations and paradoxes, I'm looking for a way to keep something based on an Alcubi...

8 answers  ·  posted 5y ago by Arvex‭  ·  last activity 5y ago by Arvex‭

50%
+0 −0
Q&A "Feasible" Intergalactic Travel via Brane/Bulk

In attempting to come up with a semi-reasonable method of intergalactic travel, I ended up conceiving a general method of FTL travel relying on brane cosmology and the "bulk" being transversable in...

1 answer  ·  posted 5y ago by nick.schachter‭  ·  last activity 5y ago by nick.schachter‭

50%
+0 −0
Q&A Are there any ways to allow some form of FTL travel without allowing time travel?

Faster than light travel is a really cool thing to have in sci-fi settings. It allows humans, in relatable time scales, to travel the galaxy and see a variety of worlds. It allows for conflicts spa...

9 answers  ·  posted 6y ago by ckersch‭  ·  last activity 5y ago by ckersch‭

50%
+0 −0
Q&A Signal language, how long can we stay in touch?

I'm working on a universe where FTL exists but arrival times can be unpredictable to say the least. On average FTL trips are conducted at 4C but ships can take much longer to arrive than that speed...

6 answers  ·  posted 5y ago by Ash‭  ·  last activity 5y ago by Ash‭

50%
+0 −0
Q&A Quantum Entanglement or other means of FTL Travel

I am writing a Sci-fi/detective story and I'm wondering if Quantum Entanglement is a feasible means of FTL travel. (I know very little on the subject so if no is the answer please suggest a possibl...

2 answers  ·  posted 5y ago by LordofTheNerds‭  ·  last activity 5y ago by LordofTheNerds‭

50%
+0 −0
Q&A Would using Magnetic Coil Platforms be an effective way to transport people across Solar Systems

QUESTION So recently I was doing research on Magnetic Coil based weaponry in the Halo universe, and while reading about how the "Super Mac" worked, I noticed that the theoretical speeds at which t...

4 answers  ·  posted 5y ago by BattleDoge‭  ·  last activity 5y ago by BattleDoge‭

50%
+0 −0
Q&A What would be the effects of traveling faster than light on a worldship?

Assuming a civilization has the technology and capability to build a worldship, a planet that doubles as a spacecraft, installs an FTL drive on it and has the energy to power it, what would the eff...

1 answer  ·  posted 8y ago by mechalynx‭  ·  last activity 5y ago by mechalynx‭

50%
+0 −0
Q&A How does paradox-free FTL travel affect the details of my story or gameplay?

It is understood that a way to prevent causality violation and time-travel while still having faster-than-light travel is to introduce a specific reference frame. This is explained in detail in th...

3 answers  ·  posted 6y ago by JDługosz‭  ·  last activity 5y ago by JDługosz‭

50%
+0 −0
Q&A Why are interstellar colonists lone rangers?

The time is The Future. Humanity is spreading throughout the stars, aided by the invention of Schwarzschild gates. The gates allow for FTL travel by tearing open wormholes in space. There are thre...

19 answers  ·  posted 6y ago by Joe Bloggs‭  ·  last activity 5y ago by Joe Bloggs‭