Questions tagged [technology]

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

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3answers
159 views

Using Snow to generate Electricity in Antarctica

So I had an idea for an emergency electricity generator that works like this: you fill a bucket up with snow, you pour it down a hatch and the snow spins some turbines which spin some generators to ...
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5answers
276 views

Single Direction Communication to the Future

If it were possible to create a device that when its state was changed a second device would mimic the state, but many years in the future, would this serve any purpose? Data could be transmitted ...
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4answers
340 views

What would be the most valuable function of a smartphone in a medieval setting? [closed]

Main character Joe gets transported from the modern age into medieval times. In Joe's pocket is his smartphone and a solar charger to keep it powered indefinitely. The internet and GPS are gone and ...
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4answers
141 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?...
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2answers
711 views

Would a handheld particle accelerator weapon be feasible?

I saw this on an interesting reddit and wondered if you could replace all the handwave blaster weapons in sci fi with particle accelerator rifles or pistols and what tech would be required to make ...
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3answers
941 views

Can a modern world power achieve world domination through highly advanced military technology? [closed]

A new age has dawned for our glorious nation of Lettucia. Our great scientist Baron von Leefi has developed the Smart Active Laser Automated Defense (SALAD). These small systems are a result of our ...
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7answers
235 views

In 2110, are flying cars a thing? [closed]

Flying cars are a standard sci-fi trope, but will they actually be a reality in 90 years? And even if they are, will they completely replace road cars? Or will the prevalence of road cars be dependent ...
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2answers
124 views

Would a medieval-type castle still arise in an alternate history? [closed]

So, to set the background a bit. I'm writing a story that is an alternate history basically diverging midway through the 1st century BC: the roman empire falls. Here I am looking at a Germanic people ...
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4answers
202 views

What would a “molecular debonding spray” do? [closed]

I stumbled across this phrase on a sci-fi tech thread and I'm trying to understand what it means. What would an aerosols spray that "de-bonds" molecules do and mean?
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5answers
583 views

Problems with spaceships: attitude control

Let's consider DCR-97, HMSS Liberty, 300 kilotonnes (or 300 Gg) of dreadnought-carrier ship. It's a big one. Let's say it can move forward. Let's say it could potentially move backward, or at the ...
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2answers
184 views

Alternate aircraft configurations - would any of them be valid substitutes for conventional tailplanes?

So I'm incubating a few alternate histories in my head. Many of them will butterfly away the Wright Brothers and many other familiar parts of history, and at least one has aircraft development as a ...
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2answers
130 views

How would Earth respond to a lunar threat? [closed]

Scenario: A being with multiple supernatural (Well, genetically-based but only a small group of people know the difference) abilities was recently wreaking havoc in the United States. A group of ...
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1answer
112 views

Could Higgs Bosons (Higgs Field) be used to increase the mass of photons? [closed]

I've heard the the Higgs Boson is responsible for the mass of most elementary particles. If so... couldn't a Higgs Boson/Higgs Field be used to increase the mass of a photon? and how would it affect ...
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2answers
183 views

The science of Dr Strange's magic shoes [closed]

Is there a difference in pressure between when a person brings their foot down and when they start to actually step? It's worded horribly but the context would be a pair of shoes that, with hand ...
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6answers
195 views

Storing information in the future; was it safer in the past? [closed]

I work in IT and I'm grateful for the many conveniences computers have brought into my home and workplace. While doing some research on encryption and the pros and cons of encrypting your hard drives ...
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1answer
124 views

How long would it take for rebooting current technology level on a parallel earth given almost perfect information of our past roadmap? [closed]

In the classical dystopian future scenario, imagine Earth is doomed but somehow an alien benefactor race offers us the possibility of transporting a set of humans to an almost perfect replicate of our ...
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3answers
169 views

How would one crash a world sized game? [closed]

First question here so don't hesitate to pinpoint me if need be. I was wondering: If there was a very convincing, advanced simulation of the real world or a fantasy world how would one go about ...
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2answers
1k views

Cyber- and Steampunk--How To Make Them Real [closed]

Cybperpunk's most basic definition is... a genre of science fiction set in a lawless subculture of an oppressive society dominated by computer technology. Other subgenres have branched out from ...
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1answer
128 views

Where are the gaps of our knowledge of physics preventing us from building a tractor beam? [closed]

So we could capture FTL ships in transit and reverse-engineer them.
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3answers
329 views

Gadget: Insect wings

(Related to Human Dragonfly wings) Context The mutant thread is back. For more context, see my previous questions. One of my character is a "subtle" mutant (no outward sign) that has an affinity ...
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4answers
175 views

What advancements in firearms technology to increase overall effectiveness could we see with material science more advanced than what we have today? [closed]

If there was access to more advanced material sciences (such as polymers, metallurgy, plastics, and ceramics), what new developments in weapons technology could we see that can be as paradigm changing ...
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1answer
127 views

What level of technology would be necessary to allow a worldwide system of massive canals be built?

Following up on my Martian canals theme from this question and assuming the canals can be constructed, I would now like to ask what level of technology is required to do that. The basic problem The ...
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2answers
323 views

What would be the aftermath of a solar system war? [closed]

Suppose our current world advanced enough to build a space elevator or two (not necessarily the classic kind, maybe it is a space fountain for example), build some space stations around the solar ...
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1answer
83 views

If a human were able to change its own celluar structure how would it evolve? [closed]

Say a human gained the technology to change its own cellular structure, what ways could said human go about "evolving/modifying" itself? How far can it modify itself?
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4answers
199 views

Forced re-entry of all man-made satellites in short moment notice

Is it possible to manipulate all artificial satellites(including ISS) and space junks currently in orbit to fall into Earth's atmosphere in one go? (Tech level is late 22nd century science) Note: I ...
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1answer
193 views

Useful, dead-end scientific advancements for ancient civilizations [closed]

In my world, the gods great and small play an active role in the lives of mortals. Some would say too active. They are, for the most part, extremely self-interested, and provide magical aid to mortals ...
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1answer
117 views

Visualizing entering the Internet, Neuromancer-style [closed]

In a cyberpunk city, what would it realistically look like to go to download your mind onto the internet, or to at least enter the internet by sending your mind into it, Neuromancer-style? How would ...
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1answer
127 views

Can someone help me with creating a list of sci-inventions? [closed]

I'm trying to make a sci-fi RPG and I can't decide what technology I should use. Also all I can think of are overused cliques. I need some unique, really cool ideas. Can someone make a list for me of ...
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1answer
171 views

Peaceful light weight power sources [closed]

Could there power source that can provide unlimited power? It has to peaceful like wind or solar but be able to be moved if need. It has to able to be moved by air and by land, water would be helpful ...
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1answer
230 views

Medieval/renaissance superweapon [closed]

Using the technology available at the time, what kind of superweapon could the medieval or renaissance age produce?
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3answers
78 views

How could an android plausibly convince people that his audio recorder isn’t witchcraft? [closed]

So, an android, called X7, survived the apocalypse which nuked most humans, along with advanced technology, away. X7 wanders the wasteland, with one, and only one possession. An audio tape of the ...
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1answer
95 views

The fields (of scienrific expertise) required by crew members in order to conduct research on an unknown planet [duplicate]

I am working on a story where a group of people in the supposed future leave their planet in a spaceship to do research on another not yet known planet (more or less like Prometheus). Let there be ...
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2answers
137 views

Quantum Computer Sizes [closed]

Is there a (minimum) size limit for a quantum computer? I know that current computers can only go so small due to the Heisenberg uncertainty principle, but would this affect quantum computers?
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1answer
99 views

What would a semi-realistic thruster for a spaceship be, using fuel from stars or debris around a black hole?

I'm designing a world in which starships have renewable energy, refueled by parking around black holes or stars and recharging batteries with solar panels, but what fuel for an engine could be ...
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1answer
191 views

Living with computers in a post-singularity world: [closed]

Imagine a point in the future of humanity where the computational power of the average computer exceeds that of human brain. For the purpose of this question, assume that that is the requirement for ...
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3answers
184 views

In a City, Are Sewers and Garbage Heaps Usually Connected? [closed]

I am making a semi-apocalyptic world in the near future in which there is a main, thriving city, around which there are scavengers who dig through the garbage as well as hang around the open sewer ...
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3answers
189 views

Pirates, IN THE SKY? [duplicate]

Alright so the basics here are pretty simple. I want to have pirates, but in the sky, pretty much what you expected from the title there. BUT, and it is a big one, there is this little problem I keep ...
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14answers
1k views

What are some alternatives to magic and technology? [closed]

It seems most worlds are run by either magic or technology. Sometimes it is both. But usually they are opposites. One may be the yin to the yang. Entire societies are usually based off of one or the ...
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3answers
612 views

How does a large starship maintain orbit while running in low power mode?

Imagine a starship with a tonnage of 600,000 metric tons that must maintain an average speed of 10km/s to remain in Near Earth Orbit, that's probably going to consume much more energy than simply ...
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2answers
170 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. ...
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2answers
114 views

How to physically force a remotedly controlled cannon to shoot? [closed]

Imagine there is an advanced spaceship. It's huge, and it's equipped with cannons operated by some kind of advanced energy source (atomic and upwards). This source is located in the same room as the ...
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3answers
334 views

Which modern technologies can I use to pass myself off as a God / Demi-god in the medieval era? [closed]

Alex has a time machine. Alex wants to be revered as a god, change human history and make everyone worship him as the reincarnation of said god. I decide to be a god of war and conquer a big part of ...
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1answer
230 views

What would Rome do first with magic? [closed]

In a a previous question, I asked about making a rune-based magic system. The system strongly resembles a computer programming language, and that got me thinking, what sort of thing would an ancient ...
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2answers
149 views

Taser like - Rail Pistol

I am working on a concept for a low velocity rail pistol that would fire taser integrated rounds. Kinda like these shotgun slugs. Could I use the rails to simultaneously fire and charge the round? ...
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2answers
137 views

What would a Scientific based way of making a person Similar to Marvels “Spider-Man” [closed]

The Question How would someone scientifically emulate Spider-Man powers without altering the human genes? The Limits No genetic engineering (except on spiders for their silk) Technology level is ...
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1answer
402 views

Creating a Religion - Against Christianity-esque and Islam-esque religions to establish a pantheon of false(nonexistent) gods [closed]

To begin with the gods of both Islam-esque and Christianity-esque in my story are just super humanoid beings with semi-immortality(They won't die but can be killed) but they already died including all ...
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2answers
315 views

Could a world exist if endless “3D printing” was possible? [closed]

So the human race, with its endless "inventiveness", developed a technology to literally create anything out of nothing. 3D printer-like machines can create stone, metal or any other material without ...
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1answer
58 views

WIll VR eliminate physical travel [closed]

WIll VR eliminate physical travel such as commuting to work, holidays, road trips or going out with friends?
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2answers
737 views

How close are we to full immersion/deep dive Virtual Reality ?(as in percentage) [closed]

Will it happen within our lifetimes? By using nervegear, nanobots, mind uploading, Neuralink maybe? And if we get full dive VR will it be limited to gaming? Or it is just all fantasy?
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3answers
625 views

What technological improvements need to be made to gyrojets in order for them to be militarily effective?

Gyrojets are weapons that fire rocket propelled darts,they are lightweight, they have low recoil, are very silent, and at long ranges have extremely high velocity. They however are highly inaccurate, ...