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Questions tagged [technology]

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

7
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2answers
158 views

Is the concept of my flying carpet possible?

My planet is tidally locked to its sun. It has a slightly thicker atmosphere than Earth. Over the planet’s sun-side surface, there would be no wind because that area is in the middle of a big cyclone/...
44
votes
6answers
9k views

Can coins be made out of concrete or cement?

Would it be possible to make coins from concrete with designs like the metal ones?
8
votes
3answers
518 views

Compact Arm Gun Prosthetic?

In the DC universe, there exists a hero known as Sister Superior with prosthetic arms that are capable of turning into any weapon she desires. Interestingly, her arms look no different from a regular ...
3
votes
7answers
2k views

Is it hypothetically possible to create a giant levee that is a non-physical forcefield or electronic membrane?

What examples are there in science fiction of molecular shields that can cancel out or "eat" certain molecules--and are they plausible? Is it hypothetically possible to create a giant levee that is a ...
1
vote
0answers
209 views

How many aircraft could this submarine aircraft carrier carry on its flight deck? [closed]

I have a humongous submarine aircraft carrier (dubbed a Kharybdis-class submarine) shaped like a triangular arrowhead. This submarine can launch a wide variety of aircraft from its flight deck such as ...
3
votes
3answers
287 views

I have made a design for creating artificial gravity on low gravity worlds for my world, does it work?

So I have been thinking about making a building on the moon that would create a 1g environment for the people inside without making the structure to inconvenient to attempt to get into and this is my ...
5
votes
2answers
120 views

What do Lunar colonists drive in the 21st century?

So I my question is quite simple. With current technology or technology that we are likely to gain this century would it be easier for Lunar colonization programs to develop wheeled vehicles or ...
1
vote
1answer
54 views

Self-sustainment [duplicate]

In world I am talking about everyone vanished but two people. Everyone just dissapeared, like no body has been left. I have them contact via internet but then I realize; there is noone to tend servers....
1
vote
5answers
109 views

Destruction of space colonist's technology

Colonists from Earth colonized an exoplanet and for a few decades everything was fine, but one day Earth is destroyed by a nuclear war or whatever, so no more communication, help etc with it. Then, ...
2
votes
2answers
249 views

Weapons in a future Clean, renewable energy world

In my world, technology advanced considerably through a 'Utopia' phase of everyone working towards a common goal of survival and whatnot, eradicating the production of coal by creating successful ...
7
votes
3answers
825 views

Oyster Shell Scale Mail

Would it be possible to make a crude scale mail out of oyster or some other mussel shells. If so how effective would it be? Do I need to invent some kind of super tough oyster for it to work?
5
votes
1answer
118 views

What might the political climate in the United States look like in twenty or thirty years? [closed]

I wrote a speculative science fiction novel in 2014, and last week I met a copy editor who suggested that I do some digging to find out how the society in which my character would be integrated would ...
5
votes
6answers
239 views

Looking for a way to power a locomotive in a pseudo-1600s fantasy world

Assuming a world where there were no steam engines available, would it be possible for large passenger or cargo trains to exist? Would it be possible to use horse-engines to power a locomotive? If ...
11
votes
16answers
3k views

Martian warfare: could motorcycles be used in war?

This probably sounds like a ridiculous question but it is actually very simple. It seems possible to me to modify a motorcycle to be weaponized and indeed very deadly here on Earth (if you had the ...
3
votes
3answers
311 views

Can planes fly on Mars?

My question is very simple, I want to know if the Martian atmosphere is too thin to hold planes up and, if it is thick enough, how high planes could reasonably go. This is considering heat management ...
7
votes
14answers
4k views

What technology must exist for a space station to rely on magma to generate energy?

This is a fairly simple question with a likely rather complicated answer. Basically, I worldbuilding a planet that has become a complete wasteland of ash, rock and flowing rivers of magma. The ...
19
votes
10answers
5k views

Planetary defense in an interstellar society

Let's say that you are some sort of tyrannical dictator of an inhabited world with futuristic technology (ex. railguns, a fully automated labor force, efficient space travel.) You know that within ...
4
votes
3answers
136 views

Most useful multi tools for dwarves

I have spent some time designing a dwarven civilisation. They don’t live below ground all the time. In fact I heavily draw upon the actual culture of mountain tribes, such as The Lisu for inspiration....
9
votes
8answers
389 views

Pre-electrical fast long-distance communication using Acoustic Mirrors

It takes a lot of work, but it can be done. The Mongol Yam, a horse-based mail system, is probably the best example that has been done before. But after visiting the local science museum recently, I ...
15
votes
23answers
2k views

The singularity does not happen. Why?

The singularity can make a lot of problems for those of us who like our sci-fi low, gritty, and human ... or our possible futures a little more reasonably calculable. So I thought it might be useful ...
3
votes
5answers
116 views

Why would human operators have to be close to the drones?

So, in this world, the future's wars are fought by drones and recruit teenagers with attitude, who control and repair drones in a temporary base near the front, and are frequently targets of surprise ...
2
votes
3answers
224 views

Could magnetics circuits be invented before electric circuits?

Magnetic fields behave in many of the same ways as electric fields. Could a society develop a magnetic based system of computation before they invent an electric method like modern integrated circuits?...
1
vote
4answers
278 views

What would the proposed advanced civilization be like in the Young Dryas? (12,000 years ago)

It has been proposed that an advanced civilization existed 11-12,000 years ago and was wiped out by a comet strike which hit glacial ice and caused a massive flood. Remnants of this civilization are ...
2
votes
3answers
193 views

Best Rocket Engine for a 12 Light Year Journey?

I'm writing a Colonization story, and I'm trying to determine which propulsion system would be the best option. The destination is Kapteyn b, 12.76Ly from Earth, and our 40K colonists will be in ...
8
votes
3answers
1k views

How early can transparent glass windows be easily available?

TL;DR: How early can windows made of transparent glass (can look through) be readily available (not a rare luxury) to "common" citizens (at least top 10% of population)? Disclaimer: I know very ...
15
votes
9answers
5k views

Is there a plausible way to build a pipette with medieval technology?

I'd like for a character in a vaguely medieval fantasy to be able to dispense drops of a ink reliably from a pipette, but I'm not sure whether this is a plausible - the tech level is pre-1500, but it ...
5
votes
4answers
128 views

Applications of Electromagnetism in “Force Fields”

Lengthy Explanation of Why I'm Here: TLDR; "force field" made of electromagnetic radiation. Recently, I've decided to compile a list of possible technologies available in the 22nd and 23rd centuries,...
25
votes
11answers
8k views

What can I do to make my son's snowman survive, using medieval technology?

What my son likes the most with winter is making a snowman. What my son hates the most with winter is melting of his snowman. I really would like to make him happy and make the snowman survive for ...
2
votes
1answer
149 views

Help designing which metals are associated with specific magical powers in my magic system [closed]

In my world, one of the magic systems involves people crushing special objects in their gauntlets to gain the dormant energy that exists within them. Essentially, imagine there are certain energy in ...
3
votes
4answers
633 views

What purposes could a technological ruin with a half-mile sphere full of water have served? [closed]

There is a soft sci-fi RPG called Numenera, set on the Earth a billion years in the future, where multiple technologically-advanced civilizations have risen and fallen, and a new human civilization is ...
1
vote
3answers
194 views

Minimum required technology for a species to reach space?

Ok so first of all, let's imagine a civilisation on a planet. The planet has a relatively low escape velocity, say 6 km/s and maybe an atmosphere 30% - 50% the thickness of earth's atmosphere. Now ...
13
votes
6answers
3k views

How can I dissolve metal hinges safely?

So, I've wound up in jail again (not my fault - I didn't start that fire, honest!) and I need to get out of here before the mayor has a chance to check his safe. Unfortunately, I left my lockpicks in ...
3
votes
3answers
180 views

Feasibility of Digital Zombies [closed]

In an Earth that has long since reached the Singularity, the point at which human life can be uploaded into a digital simulation, and that most humans live inside this simulated world, outside is a ...
13
votes
23answers
6k views

What are some ways stop magicians from using magic without resorting to the old 'special anti-magic metal' cliche?

In my world, the magic-users have to open small, thin 'holes' in reality to tap into the power from the Realm they are tapping into. As a result, said tears in reality must stay open for them to use ...
1
vote
2answers
377 views

How to combat magic as science?

Any sufficiently advanced technology is indistinguishable from magic.                     – ...
0
votes
1answer
78 views

Formulating likelyhood for civilization to face weapons-based self-destruction [closed]

Premise I would like to create a formula that tackles the question of how likely a civilization is to commit self-annihilation. At first glance it doesn't sound possible or practical for that matter. ...
9
votes
5answers
255 views

How would it be possible to fly with Talaria (winged sandals)?

The talaria is the name of the winged sandals or shoes famously worn by Hermes in Greek Mythology. If someone were to make a high tech gadget which the attached beating wings to a pair of boots, how ...
1
vote
1answer
171 views

How can I slow technological advancement? [closed]

The Scenario I am the last survivor of a race of technologically advanced humanoids. My civilization annihilated itself and devastated our home planet. My Capabilities I have sole (obviously) ...
4
votes
2answers
194 views

Are folding Xiphoi practical?

I have a character that fights with a pair of xiphoi (double-edged, one-handed shortswords used by the ancient Greeks). These swords are stored in thick nylon sheaths around the character's forearms, ...
2
votes
2answers
70 views

Can magnetism be used to transport small scale vehicles across Mars

I was imagining taking advantage of the large amount of iron within the dust and rocks of Mars, allowing for magnetic engines of some kind propelling vehicles forward. Is this possible at all? What ...
1
vote
0answers
74 views

Weapons for a tabletop game [closed]

I'm making a race for a table top game with high tech weapons. What's a weapon that would shoot through people that isn't just a high powered cannon? Didn't have to be functional today because this is ...
24
votes
21answers
5k views

Moving between levels in a gigantic tower-world?

In my sci-fi setting, people live in a gigantic metallic tower. For the sake of simplicity, let's say that each floor, or level, is a circle of around 200 km radius. Levels can be either empty, full ...
5
votes
3answers
386 views

Help balancing my six-sided magic system?

I'm basically looking for advice on how to balance the magic system I'm designing for my novel. Basically, the way it works is this: There are six known Realms beyond this one where almost magic ...
15
votes
31answers
6k views

What is a good excuse for why an early 1900's-like fantasy world has not yet invented rifles / guns of any sort?

I am writing a book where the world is split into multiple kingdoms, with each kingdom using a similar magic system to the rest, but using different powers. IE one can control the elements, another ...
4
votes
1answer
164 views

How could a stone age tribe of merfolk tame blue whales?

An underwater stone age tribe of merfolk captured 2 baby whales and killed the adult beast for meat. My sea people would like to tame the young whales and use them as transport when the babies reach ...
1
vote
11answers
363 views

Why might a planet or solar system go undetected until discovered by a ship?

I have a scientific research vessel that is exploring an alien galaxy. I would like this vessel to detect and then explore a planet that was not previously known about, which means it (or potentially ...
46
votes
26answers
13k views

If a large space ship crashes on a planet, what could kill passengers without obliterating the ship?

The situation I'm considering is as follows: A large research vessel with a crew of about 100-200 attempts to land on a potentially habitable planet, but something goes wrong during the descent. A ...
0
votes
2answers
123 views

Could this work as an epidemic?

Essentially, I have a virus which temporarily turns people into psychopaths. This virus is being used by my antagonists to collapse a city. I will be using a lysogenic virus which is triggered by ...
6
votes
3answers
524 views

The practicality of Wild Dog's arm-mounted gatling gun

In the Time Crisis series of games, terrorist-for-hire and recurring antagonist, Wild Dog has a cannon mounted in place of his missing left arm. Throughout the series, this weapon takes various ...
1
vote
3answers
116 views

Functional mechanical wings allowing to fly and to go underwater?

In my world, there is a race of small humanoids (average : 1.3m for 40kg) living on cliffs, they have designed mechanical wings that can make them fly or that can fold, and turn around their body ...