Questions tagged [technology]

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

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3answers
134 views

How to mine a moon made of half uranium and half radium?

Imagine one day the moon suddenly transformed into a colossal elephant's foot and we need to get to the moon to obtain sample... Could it be done using modern day technology to mine the uranium for ...
4
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6answers
6k views

Can we build a 3D maneuver gear from Attack on Titan?

Context In the animé Attack on Titan, armed forces use a special device called 3D maneuver gear (also called vertical movement gear) to move through the air. The system is based on a pair of ...
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5answers
789 views

Rambo style compound bows, feasible with renaissance tech-level?

One of my local TV stations re-broadcasted Rambo II last night and that got me thinking. That compound bow is really cool. It is relatively compact to carry around, because the limbs can be ...
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1answer
1k views

Can transistors be made in the stone age? (Spoiler: Dr.Stone)

WARNING: This post contains some spoilers for the anime/manga Dr.Stone. As I'm watching Dr.Stone, I see Senku and the gang trying to make vacuum tubes for their circuits. The vacuum tube is an ...
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1answer
130 views

Just how powerful can Zero-Point Energy be, if it was mastered? [closed]

So, amongst multiple forms of energy production, Zero-Point Energy (or Vacuum Energy) is less often mentioned about. As of now, it is most commonly theorised to be best used for batteries that never ...
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4answers
127 views

What would make mana-batteries an unsuitable alternative to mages combining their power?

Orgone, also referred to as Mana, is the conduit through which the power of the cosmos flows, focused through a sorcerer's will. Ritual practitioners must draw on this reserve of power in their souls ...
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0answers
69 views

Which of these technologies or sciences listed below would be hard for a scientist in Star Wars to do? [closed]

I apologize for the long list but I’m looking for something that still would not be in use by the end of the Sequel Trilogy. I’m trying to pick a technology for my Star Wars story. So basically pick ...
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5answers
421 views

Can flak be practical in an age of laser fighters?

In this article, laser fighter jets would be relagated to sub sonic speeds and fly low to avoid being shot at. That would mean that they would be closer to the ground and thus be more vulnerable to ...
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2answers
121 views

Can a liquid mercury pistol flamethrower exist?

The Cold War just got a whole lot hotter. Ordinary 20th century flamethrowers are, let's admit it, huge. Covert operations, especially in urban settings, would not stay covert for long, if our custom-...
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10answers
387 views

How to make FTL-technology an narratively interesting suicide-pact-technology?

Building my sci-fi setting deciding what's the in-universe answer to the Fermi-paradoxon, the reason why the universe still seems to be empty of K3 civilisations despite its age, has been quite ...
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3answers
169 views

How to travel between “Little Prince” style planets without high technology?

Some advanced human civilization built a large, 6,000 km diameter gravity balloon and filled it with a breathable atmosphere as well as small, rocky bodies with radii of ~200 meters and masses of ~$6 \...
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7answers
294 views

How would a Stone age society make use of gunpowder?

Given that the main ingredients for gunpowder(Charcoal, Saltpetre, and Sulphur) exist in varying quantities pretty much everywhere, I've been wondering how it wasn't discovered much sooner than the ...
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2answers
161 views

Recreating dragon fire

In Anne McCaffrey’s series 'The Dragonriders of Pern', she describes her dragons chewing on rocks containing phosphine — a chemical made of one phosphorus atom and three hydrogen atoms. In gas form, ...
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3answers
107 views

Night sky when man-made light sources are made obsolete. Would the night sky still be affected by light-pollution?

Im creating a world where for whatever reason all power on Earth is gone. Meaning there is no more man-made light. Which also means no more light pollution. Would the night sky revert to its former ...
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1answer
69 views

Modification of a standard cannon to project water instead of iron ball?

Cannonballs may be a thing of human warfare past, but it is not difficult to imagine the sense of dread at seeing a 40-pound metal projectile headed toward your ship, unable to tell for a few ...
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9answers
2k views

In a decadent galactic empire with instantaneous communication, how would the most remote planet gain their independence?

In a very large and decadent galactic empire (think of Asimov's foundation empire), a new technology leap allows planet's government bodies to communicate instantaneously across the galaxy. It can be ...
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7answers
2k views

Why don't military spaceships use blockchain technology for ship log? [closed]

Straight to the point, cut out the backstory: If blockchain is so secure and difficult to hack why don't the military spaceship use it for logging important and also non essential events, navigation, ...
2
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4answers
158 views

How can entrance through an open doorway only be possible from one side?

In the beginning, the universe existed as one, where humans and their gods lived among each other and existed within the same realm. Due to an ancient war, dubbed " The War in Heaven", circumstances ...
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4answers
174 views

Why would a technologically advance space-faring civilization still use physical currency?

In this world human civilization has reached the stars and now spans across multiple galaxies. Technological advancements such as neural implants, FTL travel, and FTL internet access are ubiquitous ...
2
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2answers
247 views

How to get attention when being shrunk to size of a flea? [closed]

One evening a group of teenagers got arrested for taunting a queen's guard and was brought to a temporary holding cell, all of a sudden a radioactive mosquito seemingly escaped from a nearby lab bites ...
4
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3answers
119 views

How could Intra-mundane travel be made impossible with wormhole technology?

The gods of this world created a Dyson sphere which is 22.5 times the surface space of earth. It is divided up into 9 sections, or "realms", which are self-contained worlds that humans live in. These ...
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11answers
545 views

How would naval warfare change with the advent of advanced weaponry?

In my setting, rail guns, point defence lasers and supersonic missiles are the weapons of choice. What I'm wondering is, how do these weapons change modern naval warfare. More specifically, ship ...
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6answers
2k views

Could the Landkreuzer P. 1000 Ratte changed the outcome of WWII?

So, This is a VERY VERY BIG TANK. So big it crushes everything in its path (even the path itself). Assuming I lead Nazi Germany, I WILL deploy/create this tank. The issues of this tank are: (taken ...
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4answers
4k views

Hammering under water?

Long before you get to using fire to smelt metals, hammering is a much more fundamental requirement for basic technologies. Hammering lets you Flake stones to make stone tools Process food--grinding ...
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5answers
1k views

What transportation for snow city?

Set on an icy world where weather forecast is alway blizzard everywhere, I am wondering how do modern day people commute if everywhere are buried under several miles of snow? What kind of ...
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4answers
357 views

How to knock down electronics on a large scale?

They say all is fair in love and war. When we plan to invade our enemy's planet, we don't want fair. We want to strike them while they're down. We infiltrated sleeper agents in key points of their ...
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18answers
10k views

How would modern naval warfare have to have developed differently for battleships to still be relevant in the 21st century?

So basically, battleships are awesome. I am interested in creating a setting where they were never superseded in their role of long-range command vessels and fire support by aircraft carriers, ...
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7answers
8k views

At what point in time would humans notice a 21st century satellite observing them?

I was considering a story based on a version of Earth that was being observed from the beginning of civilisation (Around 3000-4000 BC in my understanding "Early civilizations arose first in Lower ...
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4answers
188 views

What is the difference between a pulsed particle weapon and a beam particle weapon?

I'm considering adding a particle based weapon within my setting. It would be used in atmosphere and utilise [electrons] (http://www.projectrho.com/public_html/rocket/sidearmenergy.php#id--...
14
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5answers
4k views

How to create electric light with 1300s technology

I would like to have electric light bulbs. One should be at least as good as a candle. What we have: The technology level is generally early 1300s But we can create copper wire We have a ...
4
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2answers
407 views

Can tiny astronauts reach space?

Imagine a species one foot tall that has a relatively large brain for its size. The species has human like intelligence and in principle the ability to build anything that we could. It lives on a ...
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3answers
185 views

How would Roadhog’s Scrapgun work?

this is my first question here. I’ve wondered about this for a while, and the original idea wasn’t on Roadhog’s gun but I thought it similar enough for this question. https://overwatch.gamepedia.com/...
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1answer
203 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
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1answer
90 views

What would happen if ocean currents suddenly stopped (or changed)?

I'm thinking about a device (in a story I'm writing) that could control ocean currents, and I'm wondering how it could be weaponized. For example, if an ocean current was suddenly stopped, what might ...
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21answers
7k views

In a world where Magic steam Engines exist what would keep people from making cars

I am working a wild wild west mixed with contemorary fantasy setting. So imagine knights in shining Armor, riding along side a train as a dragon flies over and breathes fire down. on they have what ...
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6answers
137 views

Building transcontinental railway through many different countries

Let's have fantasy world with XVIII European century technology, also let's have technology of making really big trains and rails for them (big like 2.5 meters track gauge). What I want is railroad ...
7
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1answer
2k views

Microphone implanted in and powered by the body

In an effort to reduce the murder rate I want to greatly increase the chances of getting caught. To do so I invented a device that will record your last words (and potential the murderer's and your ...
22
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3answers
16k views

What color dyes would be available to the average person in a medieval world?

I am a farmer or perhaps a slightly successful merchant in a medieval world. What types of clothes dye would be available to me? Purple is often discussed but would only be available to the wealthy, ...
5
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2answers
191 views

Can plasma be used instead of physical rails in a railgun?

The railgun utilizes two metal rails that, when under a electrical current, utilize the Lorentz force to accelerate a metal projectile to super sonic speeds. In light of this, Can the rails be ...
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3answers
144 views

How can one infect/shutdown a Virtual Reality game using technology?

For a lack of better words, I’m looking for technical ways for a person to shutdown an entire VRMMORPG (Virtual Reality Massively Multiplayer Online Role-Playing Game) from afar. And by shutting down ...
4
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4answers
168 views

Earliest viable modern battery

I'm building a world where high-density, low cost batteries are discovered far, far in advance of modern times, leading to a decentralised power grid. It has become convention for homes and buildings ...
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19answers
12k views

Why is super hero technology never used by civilians?

In comic books all kinds of super hero technology comes up. Villains will use shrink rays, heroes will have super suits and an AI in their bat computer, and the government has flying helicarriers and ...
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20answers
11k views

How can a person Insulate copper wire in a medieval world?

Time traveler here, stranded in the year of 1019 AD, medieval ages. Location: europe. While I can still access and post on web forums because my temporal transmitter has a 1Ky range, I have a broken ...
41
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20answers
10k views

Why would super-advanced aliens go undercover as humans?

A common sight in science fiction is that aliens pretend to be human (For example in Third Rock from the Sun). Obviously if the aliens are advanced enough to disguise themselves as another ...
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10answers
3k views

She Can Move Mountains (Literally)

Imagine we're in a world where massive, outrageous amounts of energy are available at our fingertips. Perhaps one of those crazy cold fusion ideas panned out, or we eventually built ourselves a --...
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4answers
210 views

What is a realistic based Situation in which a Dyson Sphere could be created?

I felt inspired, and I wanted to write about the future of our lives. Setting: If one had to guess, what year would we most likely be able to build a super-structure like a Dyson-Sphere around the ...
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2answers
97 views

Is it possible, with modern technology, to hold a small planet in place?

In one of my universes, Humanity found a so-called "world anchor" on the Moon. They removed the anchor and returned to Earth. A few days later, the Moon exploded and a planet about the size of Mars ...
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3answers
340 views

Is there a practical reason for a civilization to build massive terranean structures?

This is probably a loaded question but nevertheless an interesting topic. Take this picture from Star Trek for example. In it, you can see what must be a super massive structure that occupies so much ...
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5answers
4k views

Doing chemistry under water?

Aquatic races are usually assumed to be stunted in technological development by the inability to create fire or forge metals. But what about doing chemistry at all? The development of chemistry in ...
5
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6answers
162 views

100% renewable with current technology [closed]

How would a world look like that runs 100% on renewable energy with only current technology? We are living in a world where everyone came together to build that future that does not rely on fossil ...