Stack Exchange Network

Stack Exchange network consists of 174 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

Questions tagged [technology]

For questions about the creation, use, and application of all types of technology.

2
votes
6answers
349 views

Can a technologically developed society make a tree to be like AI(Artificial Intelligence) and make it communicate with humans?

Is it possible for a technologically developed society to make some invention which could allow trees to be like AI (Artificial Intelligence) and communicate with human? To be like AI (Artificial ...
10
votes
13answers
2k views

What are possible reasons to use Cathode-Ray Displays by tech-advanced civilizations

I have a sci-fi world that is very technologically advanced (at the stage of "sub-singularity" where they have already invented AIs posing danger to humans, but not achieving singularity, so it's not ...
1
vote
4answers
242 views

Secret Hangar Location Needed for Entropy-sensitive Nano-bots

Premise In this Earth-like world, a multi-billion dollar privately owned aerospace/defense corporation is devising a secret plan to manufacture a fleet of nano-bots. These nano-bot have swarm ...
-1
votes
4answers
107 views

Two exact replicas of Earth in our solar system [closed]

If there were two exact replicas of Earth in the solar system (both in an equally habitable and stable orbits), with all of the people included, how would they diverge economically and technologically?...
-1
votes
4answers
266 views

How to get tattoos in the post apocalypse?

In my post apocalyptic world there is a tribal clan called The Mutants. None of them are those radiation zombies however, and they are all actually just prime humans. They are called The Mutants, ...
16
votes
11answers
1k views

What sort of rules / limitations could govern and affect a crystal resource that is both anti-gravity and energy-producing?

I apologise if this is rather vague but I'm struggling with creating a concept that would allow a Victorian (steampunk) civilisation to have antigravity ships and floating islands through the use of a ...
2
votes
7answers
316 views

Permanent flag for space pirates

Space is filled with all kinds of things that are unkind to cloth, such as dust and radiation, and they are the reason why sticking a nylon national flag on the moon isn't permanent. In my world I ...
12
votes
15answers
2k views

Armament for airships filled with non-flammable gas

In my Fantasy/sci-fi universe there exists a lighter than air gas, that is non-flammable, while having density similar or even smaller than hydrogen (I will post some questions related to this gas in ...
2
votes
6answers
421 views

Medieval “Morning After” Pill?

We've all probably heard of the "morning after" pill women take after sex to try and prevent pregnancy, right? Is it possible for a culture with largely medieval technology to create such a pill, or ...
8
votes
2answers
673 views

Would a planet be inhabitable after being impaled? [closed]

Say that there is some mega-sized space tech that was developed to shoot a spear like object at a planet, and had enough power behind it to pierce the core. Perhaps something along the lines of a ...
1
vote
7answers
255 views

How would one design infrastructure in a world where people can disable technology with their eyes?

So, the central conceit of my story is that one day in the modern times, everyone on Earth over the age of 13 starts getting superpowers. While some of them are possible to remove (but only if ...
10
votes
4answers
335 views

Is it possible to make pulleys and cams required for compound crossbows with medieval or early renaissance technology? [duplicate]

I am thinking if it's possible for craftsmen of late medieval times to achieve precision required to repeatedly make crossbows enhanced by use of cams or pulleys. As far as I know, pulleys were used ...
44
votes
6answers
9k views

Can I use a trebuchet to launch satellites into space from a lunar colony?

I've got a lunar colony that struggles to obtain resources, so they're looking for ways to launch satellites into orbit without using up a bunch of rocket fuel. One plucky engineer has suggested ...
5
votes
5answers
386 views

Alchohol fueled industrial revolution

My question is simple: In theory, would an industrial revolution driven exclusively by alcohol fueled internal and external combustion engines in the early 1800s be practical? What effect would this ...
7
votes
4answers
331 views

Could a character survive having a device torn out of their radial artery? + effects

In this society, the citizens are given a bracelet-like device that is connected to the radial artery in their dominant hand. The device monitors their health, offers advice, etc and also serves as a ...
0
votes
6answers
469 views

Why would spaceships still have acrylic/glass windows when force fields are cheap and reliable?

Force field technology has come a long way. The latest energy-efficient engines can guarantee stable energy output in any situation, making force fields extremely reliable and very cost effective ...
3
votes
5answers
154 views

Expanding a space habitat

Let's say that I start with a Stanford Torus that can house some amount of people. Over time, more and more people start living there, to the point it starts getting crowded. How could I expand the ...
10
votes
7answers
2k views

How to explain the lack of artificial pollination in space colonies?

My story is set in the future where space travel is cheap and humanity has colonized Mars and some parts of the asteroid belt. Asteroid colonies can grow their own staple food, but crops that require ...
6
votes
7answers
307 views

Deciding between two methods of keeping people from using technology in combat in my urban fantasy setting

Tl;DR: I'm doing an urban fantasy story with magic/superpowers, and I'm trying to decide a way to keep technology out of my fight scenes without doing away with technology entirely if at all possible. ...
2
votes
2answers
82 views

How to accelerate the rotation of an Earth-sized planet? [duplicate]

Colonists want to settle on Proxima Centauri a. The planet is slightly bigger than Earth, lies in the habitable zone, does have water and life (in my novel). But the problem is that only a 500-...
1
vote
2answers
62 views

How could a mind storing device exist where the creators can implant their minds into mindless beings when the nuclear war happening is over? [closed]

Could this be possible in some ways: A mind device or Black Box that holds the minds of a few humans without needing a body. The brains can exist in the Black Box freely, a place alike the holodeck ...
21
votes
17answers
6k views

What is the viability of trains on planets covered in water?

I want to write a science fiction book on a planet mostly covered by ocean, but I also want to incorporate trains into my story. However, it seems that with advances in ship and plane technology, ...
6
votes
17answers
2k views

Human caused apocalypse other than nuclear winter or climate change [duplicate]

I am writing a post apocalyptic story in which a large amount of the foliage is dead and agriculture has become much more difficult. My original idea was to say that this was caused by an ancient ...
18
votes
4answers
3k views

Ancient Light Trigger Mechanism

In the first scene of Indiana Jones and the Raiders of the Lost Ark, we see a booby trap where a series of spikes are thrusted out of a wall, and are triggered by "walking into the light". I think in ...
1
vote
3answers
206 views

How to prevent allies from acting in an organized manner?

In my medieval world, a union of five states located on the south shores of a continent much like Europe is a subject of joined invasion by a northern continental empire and marine power coming from a ...
3
votes
1answer
125 views

What social impacts would there be if wormholes and stargates had enforced conservation of energy?

So, the setup. For the purpose of this question, there's no difference between a wormhole, stargate or teleporter. They all do the same thing - move an object instantly over space. Because I've ...
5
votes
3answers
193 views

SF: Brain-computer interface based on fungal hyphal sheaths: does this sound stupid?

Premise: bio-tech golden age where "wetware" is the new IT meta, organic AI that can interface with our standard computing technology. In this context, I'm imagining a future technology that would ...
30
votes
12answers
9k views

What would be a credible way to design a watertight membrane that still allows large organisms to pass through?

I am currently building a world where the majority of the population is some kind of amphibian species. My question is : Is it possible to design a kind of membrane that is completely waterproof but ...
4
votes
1answer
523 views

Sonic Weapon for Non-Lethal Crowd Control [closed]

In my book there is violent protesting throughout the city. Peacekeepers have been called to quell any acts of violence, but there are rebels amongst the crowd that attack and kill peacekeepers when ...
4
votes
3answers
146 views

What kind of technologies are required for a society to regularly produce jet engines?

Specifically, I'm looking for what areas of science would need to have been developed for the manufacturing process of jet engines to be commonplace for large manufacturing firms. For context, my ...
6
votes
2answers
298 views

What would the “tanks” of an underwater race look like?

Note: Some answers will refer to not just tanks, as previously I asked about military vehicles in general, then edited it because it was too broad. So, right now I'm working on a project centred ...
6
votes
4answers
245 views

Making a dugout canoe or raft, limited by strikes

I'm planning a short story in which - for the purposes of this question - everybody has certain restrictions on their actions due to a 'curse'. These restrictions include having only 1,000 steps, and ...
1
vote
2answers
250 views

High-tech in Fantasy

In my fantasy setting, then there are two countries (Mapiya and Mystikicis) that are supposed to be the most magically and technologically advanced. I've already got the magical advancement more or ...
3
votes
2answers
169 views

Is it possible to speed up the moon's orbit with today's, or near-future technology?

And I mean only making the moon orbit the Earth faster: no change in distance from Earth required. Is such a thing possible?
4
votes
2answers
160 views

How do I create a gene simulator? [closed]

I want a machine that can read DNA and then project what the creature looks like. I have a computer that is as powerful as needed but I don't know where to start. What are there major challenges to ...
5
votes
2answers
121 views

How might the cooling of the Earth's core be accelerated?

Essentially, what would be the most efficient way of causing the Earth's core to cool as much as possible without damaging human civilization in any other way (the outcome can damage it, but not the ...
1
vote
2answers
135 views

Phone Shutdown technology

So I was thinking about the future and some practical technology that would come with it, and I thought of this technology that would come in handy on airplanes and movie theaters. Basically the ...
8
votes
1answer
177 views

How much further could vacuum tubes have been improved given commercial interest?

Vacuum tubes were a mainstay of digital computer technology until around the 1960s, where transistors (and later integrated circuits) replaced them for most applications. In real life history, one of ...
33
votes
8answers
7k views

Does my Fast-as-Light travel method run afoul of causality or relativity?

I am writing a hard science fiction story and I want to avoid violating known physics, while still enabling some of the classic mainstays of science fiction under the auspice of sufficiently advanced ...
8
votes
3answers
1k views

Lodestone Furnace or Forge

I had a thought last night about how to build a more efficient furnace in a fairly low tech society. (I build Games, so this is part of my world mechanics) My question is: How feasible is this idea ...
0
votes
5answers
300 views

Could powered exoskeletons enable humans to fly?

I have seen people saying that humans can't fly even with wings because our arm muscles aren't strong enough. Given that one of the uses of powered exoskeletons is to increase strength, would this ...
-2
votes
2answers
146 views

How much will I have to modify my helicopter to have it fly supersonic?

As explained in this question, current rotary wing aircraft cannot surpass the speed of sound because of retreating blade stall and the fact that the sonic boom would literally rip off the rotor. ...
0
votes
1answer
182 views

How would a world full of magic adapt to fighting Mechas? [closed]

Setting In my world, magic has been the predominant force in the way countries have fought war. It's been used to help turn the tide of many battles and because of it every nation has been dependent ...
-3
votes
2answers
167 views

Designing an icy-surface vehicle for -70° without electronic circuits onboard [closed]

Take one of the ideas that Flat Earthers have proposed: an infinite plane of ice, with occasional "world-ponds" dotting it every 30,000 miles or so. These "world-ponds" are rather like other Flat ...
0
votes
2answers
269 views

Shard Technology Uses For City-Defenses [closed]

In my Fantasy world there is a magical resource called shards that is as follows: Shard Powers: For all the people of the world; the benefits and dangers of using shards are well known. Shards are ...
6
votes
7answers
610 views

Generating and storing power in a post-apocalyptic world

Say that an apocalyptic even takes place, a genetic disease wiping out most of humanity in a matter of years. So, there are no bombs, nuclear winter, or any sort of event that messes up the ...
0
votes
3answers
324 views

How to maneuver and land a Zeppelin without engines

So my world is a fantasy setting (I wouldn't call it high fantasy) where a few hundred years ago a great empire invaded an island the size of Syracuse (due to overly aggressive flying natives ...
2
votes
1answer
157 views

Scavenging metal resources in post-apocalypse after 100 years

This is another question for a setting I mentioned in previous questions (currency, ammo). The setting is: It's happening in post-apocalyptic SE Europe (Balkans specifically), about 60-80 years from ...
6
votes
3answers
544 views

Production of ammo in post-apocalypse - problems and solutions

First i'll introduce the settings, it's the same one as for my previous question (about currency). It's happening in post-apocalyptic SE Europe (Balkans specifically), about 60-80 years from now. ...
0
votes
10answers
483 views

If bulletproof clothes become commonplace, how would law enforcement keep peace and order?

I'm currently writing a techno-thriller as a hobby, set in the modern world. Some scientists managed to create a mix of kevlar and carbon nano-tubes that can be bonded with regular textiles and ...