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# Posts tagged faster-than-light

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79 posts
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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

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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

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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

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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

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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

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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

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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

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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

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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

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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

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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

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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

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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

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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

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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

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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

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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

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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

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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

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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

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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

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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

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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

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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...

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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

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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

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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...

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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

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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

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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

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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

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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

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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

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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

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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 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 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

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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

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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

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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

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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

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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

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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

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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

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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

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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

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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

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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

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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

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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

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