Posts tagged faster-than-light
The problem with FTL is that, due to the tachyonic antitelephone, it allows causality violation: I send you a superluminal message (you are moving away from me at relativistic speed), you reply wit...
I am working on a world (see this question) which I currently plan to have FTL via Alcubierre warp drive. I want to avoid the possibility of FTL sneak attacks so I plan on having something that pr...
I'm creating a universe where ftl space travel is possible by folding space. You can only travel point to point with direct line of sight. The example I plan to give in the book, to clarify, is th...
I am designing a world where humans have achieved FTL by means of the Alcubierre warp drive and are colonizing the stars. Originally I had communication pegged as being done with quantum entanglem...
Okay, so I have a sci-fi setting in which there is a form of FTL travel. Imagine the universe(all three/four dimensions of it) was stretched out onto the surface of a sphere. Now assume that ther...
This seemed too scifi or hypothetical for physics, so here goes. Suppose a manipulated quark with 0 mass could travel faster than the speed of light. It's known that the faster you go, the slower...
Faster than light travel is Dangerous with a capital D. The main reason for this is because by the time you see something, you've already smashed into it and vaporised yourself, the target and any...
What would happen if two spaceships with Alcubierre warp bubbles were colliding? Would the space bubble collapse? Would they reject or push each other? Would they survive it without problems?
Here on Earth, time standardisation was enabled by the invention of accurate time pieces which allowed us to create a global constant (GMT/Zulu time) and regional offsets. If we travel outside our...
Possibly a dumb and outsider question, but my knowledge in the basics of computer networks is terrible. Imagine the possibly not too original concept, that humanity somehow manages to transmit dat...
I'm throwing around a rough concept in my head and wonder which effect it would have on the present world. How would the world as we know it change if this technology were invented (and nothing els...
In the story I'm writing, an ancient civilization once roamed the local group, traveling from galaxy to galaxy with ease. Thousands of millennia after their disappearance, humanity stumbles across ...
In the mid-21st century, humanity has an interplanetary colony system principally spanning the Moon, Mars, and Titan (as per usual). The furthest established colony is on Proxima b. Humans have FTL...
So let's say that some advanced future civilization is capable of creating and manipulating wormholes, and uses a network of wormholes for their FTL transportation. If an enemy gets too close to o...
A person is traveling in a space craft that was designed and built by sufficiently advanced aliens. This space craft left from Earth and is capable of traveling infinitely close to the speed of lig...
Assuming the Alcubierre drive can be made to work, there are issues with it, like the creation of black holes and white holes in front of/behind the ship. There is also the having to be on tracks p...
Inspired by Mapping the far side of the galaxy, I wondered how it would be possible to create a real-time map of the entire universe. As that question dealt with the issue of a one-time travel to ...
I'm looking for some data to create my own sci-fi setting, but I want to base it on real world as much as possible. Also, I don't want to come up with any arbitrary year like 3290 with no backgroun...
Humans got a one time ticket to the other side of the galaxy, traveling $2r$ in just a few days (where $r$ is the distance from earth to the super massive black hole: 28,000 lightyears) The stars ...
There seem to be honest scientific exploration in the field of the alcubierre warp drive if you believe some articles on the net. So to be a little bit scientific accurate in a story using it, I wo...
It's just another average day in the life of modern day earth. Suddenly a transmission from orbit washes over the planet! Oh no! An alien race, calling themselves the "Thull", has suddenly arrived ...
I am designing a video game in which Alcubierre Drives will be obtainable by the player. I would like this game to be somewhat scientifically accurate in this way. Specifically, I am interested i...
Many sci-fi questions here are derailed by complaints that the proposed version of FTL breaks causality. However, relativity-safe FTL concepts do exist. What range of conditions allow FTL (movement...
Suppose that there are 2 interstellar empires at war with one another, both armed with FTL drives which cannot be used within a certain radius of huge gravity fields, stars, gas giants, etc. Anothe...
Supposed we have a ship travelling at the speed of light, or very close to it, or over. A second ship is travelling behind it at the same speed. The second ship wishes to communicate something ...
At a crucial point in the development of human civilization, there is a split in the timeline: one where FTL travel is facilitated by jump-drives/wormholes, and another with superluminal speeds (St...
Let's say that somehow, Earth suddenly acquired a computer with ridiculous speed. This computer can run a program described in a language of your choice, which can be described by a readme file tha...
In this setting, humanity has advanced to the technological capability of extra stellar travel via faster-than-light drives. However, due to distances between inhabited areas being extremely large,...
Recurringly in Sci-Fi spaceships manage to make it to lightspeed and above. Is there a scientifically plausible explanation of such capacity? How does it impact the spaceship's design and its passe...
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