Questions tagged [faster-than-light]

For questions about settings in which superluminal travel and/or communication is a possibility.

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5
votes
2answers
139 views

Protocol between an information sharing black and white hole pair

Premise: Imagine a "sender" construct that has the ability to create it's own micro black hole and send information as light into it. On the receiving end, a "receiver" construct would contain it's ...
5
votes
7answers
685 views

Jumping vs. FTL speeds: economic differences

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 (Star ...
5
votes
5answers
167 views

Light-slowing Gas

Can we prepare a gas medium in which we can travel faster than light? This question struck me while reading a sci-fi where a scientist prepared such a gas medium. He sat in a chamber filled with that ...
48
votes
14answers
8k views

Ridiculously Fast Supercomputer

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 that ...
11
votes
3answers
2k views

What if time travel had to take into account spatial distance?

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, ...
2
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4answers
391 views

How would access to teleportation affect politics? [closed]

Imagine a society where the elite could travel via expensive, but commonly available portals. Transportation is now instant for those with money. How would this affect politics?
41
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4answers
4k views

Is there a scientifically sound faster-than-light travel system for a spaceship?

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 ...
21
votes
4answers
2k views

How could combat involving Alcubierre-drive starships occur?

In a setting with Alcubierre-drive starships (as per my answer here), it is inevitable that once the technology becomes common enough and enough different polities and organizations have such ships, ...
1
vote
1answer
951 views

How to Demonstrate that FTL Travel Violates Causality? [closed]

I'm trying to develop a story where a vast and sinister Alien Intelligence is bent on testing humanity's primitive knowledge of physics via the Q & A answer sites on their world wide communication ...

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