Questions tagged [technology]

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

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3
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4answers
224 views

How can Degenerate Matter be stored?

In multiple sci-fi, Degenerate Matter is often used for a myriad of applications. Degenerate Matter consists of Neutronium, Quarkonium and other matter coming from dense stars. They have high strength,...
9
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9answers
5k views

Would it be more efficient to build fleets in orbit?

My Dino theme park business didn't end well and I reluctantly fall into depression and decided to go into suspended animation to seek a cure. 200 years later, a lady claims she works with the military ...
28
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14answers
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Would the US government of the 1960’s be able to feasibly recreate a modern laptop?

So, I time travelled back to the year 1969. I messed around back in time for about a week before leaving. But, me being forgetful and everything, I leave behind my modern laptop ( it’s an Apple ...
2
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2answers
163 views

Can you make cheap steel without steam engines?

Could some method of producing cheap steel in bulk (like Bessemer) have been developed before steam engines? The Safehold series in which there is a religious prohibition on heat engines & ...
0
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2answers
147 views

How far would technology have progressed for a 100 person tribe with knowledge of current technology in 15 years?

In my world, approximately 100 humans with were stranded on a planet with nothing but the clothes on their backs. They all have at least high school education, but most of them do not have degrees. ...
3
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4answers
84 views

Malicious Infection Transmitted Across Outer Space

If an extraterrestrial race were to send a signal to earth containing a virus (technological or psychological), how could that signal then infect our technology and then be received by humans?
7
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8answers
1k views

In what ways could a society that has rejected guns continue to improve on the Crossbow?

I have this idea for an alternate universe where guns were... flat out rejected. Basically, while the powers that were recognized that guns were more powerful and had greater range, they were ...
5
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2answers
492 views

What technology would be most useful/viable for preservation in the event of an apocalypse?

In the setup for my story, the Earth became messed up in such a way that plate tectonics went haywire. Lots of land was subducted, continents moved around, there was a great increase in earthquakes/...
3
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1answer
89 views

How might someone live for thousands of years?

A long time ago during the last ice age an early hunter gather human encounter an unknown entity (likely a alien) who granted him the power of immortality with him living at least up into the middle ...
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16answers
10k views

Black hole as a storage device?

I'm writing a sci-fi story, and there is a giant autonomous computer planet that constantly gathers resources from around the universe using drones. It stores a super weapon at the core of the planet, ...
13
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7answers
3k views

How could hackers cause mass destruction to major cities using existing satellites?

Set in the modern day, I was wondering about a possible scenario in which some hackers gain control of many satellites, probably including those specifically for defense purposes, in order to wreak ...
15
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6answers
13k views

Does mirror armour work against laser guns?

The next war will be fought with lasers beside computers, I'm wondering could a bullet proof vest coated with a highly reflective surface protects user from laser blast. The laser in question is ...
4
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1answer
93 views

Why don't ejectable fission reactors proliferate if meltdown is still a concern?

Set in the not-so-distant future, interplanetary travels are the norm. Most spaceships are powered by fission reactors, and accidents do happen due to negligence or flaws in the system. It will ...
7
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3answers
2k views

How to control a nanobot swarm

Say you somehow invented 50 thousand nanobots that are the size of medium sized bottle caps. Each are capable of hovering for a limited amount of time but do recharge with both solar energy and plug ...
3
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4answers
332 views

Could a percussion rifle be produced in the 15th-17th century?

Could a percussion rifle such as the springfield m1861 be made somewhere between the 15th-17th century? If so how would it be made?
3
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3answers
210 views

Feasibility of non lethal “x-ray” false-colour vision?

One of the powerful abilities of Superman is his ability to make several layers of opaque solid objects translucent to him and only him alone. What plausible future technology would allow us to see ...
10
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2answers
245 views

Low-efficiency fusion propulsion?

I'm working on a fusion rocket concept for a hard science fiction setting. I'm envisioning laser catalyzed Proton-Boron reactors (low waste heat, aneutronic, 100% of their output being He4 Alpha ...
3
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3answers
235 views

Which human-made monuments would still be standing thousands of years after an apocalyptic event? [duplicate]

It has been several thousand years since an apocalypse happened. The cause was some kind of explosion, be it nukes or a extinction-event meteor. Humans have persisted, as they do, and have effectively ...
9
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12answers
3k views

What are some mechanical ways to help propel a ship through a canal?

There is as a system of canals that connects a country, these canals are about 10 meters wide 15 meters deep. I am designing a ship that was built specifically to travel the canals. Its main purpose ...
-3
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3answers
660 views

Ideal torture machine: The Anatomizer

I have read in a book review of "Fallen Angels" that a high-tech torture machine, which "administers drugs and medical attention while busy cracking teeth, flaying skin and breaking bones" and "...
3
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1answer
194 views

How fast could a medieval transportation cross a sea of honey?

Set in the medieval period around 16th century C.E., all the saline water turns into honey ( avg. viscosity is approximately 10000 centipoise at room temperature). How fast can the medieval people ...
8
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11answers
448 views

How would criminals escape detection in a society with ubiquitous surveillance?

Consider a heavily urbanized society with modern or near future technology with hybrid visual/infrared security cameras in all public areas and most stores, restaurants, office buildings, etc. These ...
27
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21answers
7k views

How to limit magic mirrors so they're not overly powerful?

Based on a set of questions by Pavel Janicek about how to address and then monetize magic mirrors in today's modern world. The short version of these magic mirrors is that any one magic mirror can ...
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4answers
476 views

Would it be possible to remove all the technology from the universe in one hundred years?

In the year 2500, the main planets are all colonised for various reasons (Mars as another place to put the population, Mercury for minerals, etc.). The planet Mercury then becomes more and more rich, ...
9
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7answers
249 views

What tech would aliens use to harvest/alter our star and why?

I'm trying to create a scenario where the local star is "quickly" (suddenly up to thousands of years) removed, dimmed with reduced output, destroyed (maybe), or otherwise fundamentally changed as to ...
3
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2answers
174 views

General characteristics of an “aircraft” for gas-planet atmospheres?

In the future gas giants, ice giants, mini neptunes and gas dwarfs have been colonised. The colonisers use either hot hydrogen or vacuum in rigid ballons to keep their cloud cities up in the endless ...
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1answer
141 views

Ways to kill off characters on a spacecraft by freezing them to death? [closed]

Looking for ways to kill characters off while in space. The scenario has a group of people trapped in a section of a spaceship either during or just prior to landing on a planet. Particularly, are ...
36
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18answers
7k views

How would one make a reactor harder to produce over time?

I have been asking myself this question recently. How would you make a reactor powering a powerful weapon harder to produce for each successive reactor being produced? My solutions currently would ...
2
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2answers
132 views

How can I create strong structures with a drone swarm?

Continuing from my previous questions about a swarm of millimetre-sized drones, I want them to be able to interlock or by some method form into strong functioning structures, like a gun or a baseball ...
6
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2answers
285 views

Primer (2004) - Does a time traveler's cell phone ring if both he and his other self exist at the same time?

In the movie Primer (2004), there are two main characters who travel back 24 hours in time using their time machine. When they arrive, both they and their past selves exist in this same town at the ...
2
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5answers
2k 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 ...
6
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2answers
752 views

Post-apocalyptic aircraft

I have a post-apocalyptic scenario, set in the ruins of an American metropolis with flooded streets. Boats are used most of the time, but aircrafts have advantages, for battle or if you have to get on ...
3
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6answers
1k views

Limits of Carbon dating and possible alternatives?

This is for a book. An ancient, badly damaged, base has been found in the asteroid belt. The base has been open to the vacuum of space, although a large proportion of the base is within the body of ...
4
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2answers
161 views

Would this drone structure work?

I had an idea for a swarm of tiny drones, the smallest being as small as fairy flies at 0.15mm long, that could form into shapes and structures, even mimic the shapes of living creatures. They would ...
7
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1answer
242 views

How long can the entire civilization be powered by converting all nuclear arsenal into commercial reactor fuel?

Imagine a miracle happened and all leaders decided to wind back the minute hand of the doomsday clock and passed a bill that can transform all kinds of nuclear weapons into fuel for power plants, ...
5
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2answers
164 views

Are Alpha and Beta-Voltaics the solution to the energy storage problem in Scifi?

In Scifi there is often the issue that all the fancy technology like Mechas and Lasguns need a lot of energy. Chemical sources are limited by volumetric and regular power density. Batteries and ...
-1
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1answer
141 views

Is an Earth-to-Moon missile technologically possible?

Given current capabilities, is it possible for a missile launched from the surface of the Earth to impact the surface of the Moon? I would imagine the same "rocket" used send stuff to the ISS could ...
5
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2answers
172 views

How to Subvert or Mind Control Human Worker Drones

Evil cyborgs, formerly humans, called the Overseers have set about building gargantuan megafactory arcologies that sprawl across the landscape. In order to keep the massive tangles of pipes and ...
2
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4answers
245 views

Tongue Keyboard

It is fascinating (and perhaps a bit scary) anticipating the human-technology interface in the next hundred years or so based on the acceptance of mobile computers in recent years. Based on current ...
4
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4answers
212 views

Can a biological system be used to power an android?

The purpose of this question is to know whether or not organic tissue can be used to power and android. Compared to a nuclear cell or an ordinary battery this doesn't seem efficient, it needs food, ...
5
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3answers
160 views

Cellphone that can cause a human to die [closed]

An evil cellphone factory distributed cellphone units that can cause instant death to a human. It was distributed to every adults in this world. The units will kill its owner by the ff reasons; The ...
17
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6answers
10k views

Is it necessary for spaceships to include reverse thrusters for deceleration in space?

Set in the not so distant future, space travel becomes commonplace but is limited within the heliosphere. I'm thinking since it is fuel efficient and more economical to use gravity assist to slow down ...
21
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13answers
11k views

1 Light Year Diameter Planet

Suppose a species has limitless resources and the ability to construct megastructures of an astronomical scale. Would it be possible, given antigravitational technology (hypothetical), to create a ...
7
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1answer
387 views

Building an “animal punk” nation

With a group of friends, we are trying to build an RPG in a quite specific setup which I have a hard time to find elsewhere in order to get some inspiration/information. So what I mean by that is: a ...
3
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4answers
326 views

faster than light speed travel, but not too much faster

A friend of mine is writing a hard sci-fi novel about interstellar colonisation. He wants to use the real Earth and the surrounding stellar neighborhood. The plot requires that the initial voyages ...
6
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1answer
701 views

Is this a plausible interstellar propulsion system?

Interstellar travel is hard and complicated, yet I want to have a plausible interstellar propulsion system for my setting. Rockets are out because of the rocket equation and the horrible top speeds ...
10
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4answers
570 views

Can korean bolt throwing cannons not be a dead end?

Alright, this will take some time to explain. There is historical context to my question. Over the course of the period of time from 16th century to the first half of 19th century, the European ...
5
votes
3answers
235 views

Urban design that counters shapeshifters?

Set in the present day Shanghai, China. Humans co-exist with another intelligent species with the ability to shapeshift at will, the shapeshifters like to morph into various objects (both animate and ...
2
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3answers
126 views

What is the most efficient way of mining energy from a flare star?

Set in the distant future, human is transitioning to a type 3 advanced civilization on a Kardashev scale in about a hundred years or two. We have nearly exhausted the energy from our Sun and several ...
23
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4answers
9k views

How to tell if the entire Earth is just a copy?

Imagine a visiting alien accidentally spilled a bucket of inverse matter (a substance I made up just now) on the planet Earth and this stuff will annihilate with ordinary matter to produce neutrinos ...

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