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Questions tagged [technology]

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

0
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0answers
33 views

High-Technology Civilization and Flying Mounts (No Magic/Fantasy) [on hold]

TLDR: What does technological progress look like if there are flying Riding Animals available? Edit: I will provide some suggestions below. Edit: Its not about "creating" a lifeform, they already ...
1
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4answers
130 views

How would a Type I civilization not cook itself?

A type 1 civilization is defined as a civilization that can utilize the maximum amount of energy equal available to its entire planet, roughly 1017 watts for Earth. This is equal to the amount of ...
4
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3answers
136 views
+50

self-charging pcp airgun

In my story idea the main character is given a pcp airgun with a sort of self-charging mechanism in order to commit certain covert operations by assasinating certain individuals. (don't ask he was ...
19
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4answers
3k views

What knowledge of the reasons for steel strength did medieval smiths have?

What did smiths/metallurgists know about why some steel was stronger than other steel in medieval times? I want to know so I can determine whether my mages could come up with a spell to increase the ...
42
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14answers
8k views

How to preserve electronics (computers, tablets and phones) for hundreds of years

Let's say you wanted to preserve some electronics for 500 years or more in a museum. What could you do to preserve them in working order for hundreds of years? Deep freeze? Lead lined vaults? Vacuum? ...
0
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1answer
79 views

Gunpowder in the 15th-16th century [duplicate]

If smokeless powder was already invented then and machines to help make rimfire cartridges, could a sub/light machine gun be invented?
19
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18answers
4k views

How can I explain mind control without using magic?

Mind control is a favourite tool of science fiction writers, it allows us to make certain characters do things that they would normally never do without the hassle of explanation. But hard science ...
0
votes
1answer
227 views

There are diamonds 10 times tougher than ceramics, approaching some aluminum alloys toughness, are these diamonds useful as an armor? [duplicate]

According to this paper if diamonds are doped with some boron and nitrogen it will gain enormous toughness while retaining the superhardness characteristic of diamonds. This diamonds reach toughness ...
6
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5answers
205 views

How can ruler support the invention of useful things?

Good rulers support invention of useful things. But this question has two sides. Support of invention Prevention of fake inventing Basis: Many inventions arise as side-effects of searching for ...
4
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5answers
247 views

How to detect gyroswords

So, in the land of futuristic feudalism, the board of sword duels has a dilemma. During a duel, one of the duelists added put gyroscopes in his sword. He claimed this was to improve his balance, which ...
22
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5answers
2k views

How might you detect a “life sign”?

It's a common trope in science-fiction: "scanning for life signs". A few taps on the screen, and you get an instant population count, often with the ability to distinguish species, and even personal ...
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3answers
76 views

How to compromise block chain force shield? [on hold]

Set in the distant future, a notorious terrorist group infamously known as "51 Crew" is planning an ambush near the orbit of Thebe, Jovian moon. In the next few hours an armoured shuttle holding a ...
15
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7answers
3k views

What kind of footwear is suitable for walking in micro gravity environment?

Set in the near future, the interior of the spaceship is coated with thin layers of Teflon approximately 10mm average thickness on top of titanium alloy which in case you are wondering it is weakly ...
1
vote
3answers
146 views

Could a pump jet be made in the 15th-16th century? [on hold]

With the knowledge required, could the pump jet be created for use in ships in the given timeline? If not, what other forms of engines can be made in said timeline that can power ships without the use ...
7
votes
2answers
209 views

Ancient Egypt - Primitive Blockchain Technology

Premise The goal is to implement a bronze age version of blockchain in ancient Egypt to introduce a layer of security for the royal tombs. Tomb raiding was rampant, and at times even the legitimate ...
3
votes
4answers
699 views

Can a one-dimensional blade cut everything ? (chainsaw) (Sword)

I was thinking in a character who has a...kind of Steam powered Chainsaw, and a sword, what make them special is because the blades of the chainsaw are one-dimensional, same with the sword, they are ...
7
votes
0answers
95 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 ...
5
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3answers
88 views

Antimatter internal combustion engine

I have an idea for an extremely crackpot engine design for a future society I may incorporate into my story. What would happen is individual antihydrogen molecules injected into the center of carbon ...
14
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2answers
2k views

Glass rot - could we survive it?

In the near future on our own planet of Earth, an odd plague has descended from space. It affects glass. Any glass whether natural or man-made turns into powder. The chemical elements are the same, ...
4
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6answers
507 views

What benefits would translucent full body armour do for immortal beings? [closed]

Set in present day Egypt, a race of immortal humanoid beings were seen with a translucent body armour covering from head to toe. They come in peace and harbour no ill intents, that said their kind of ...
2
votes
3answers
285 views

Is there any advantage to have A.I. being able to experience loneliness?

Let get this straight being lonely is different from solitude, human is arguably one of the most successful animals ever to walk on two. The secret lies in social interaction, the early humans hunt in ...
7
votes
8answers
1k views

How to prevent self-modifying A.I. from removing the “kill switch” itself without human interference?

All A.I. comes with a built-in safety mechanism that prevent their kind from ever doing harm to a human or humanity, it is the last straw should they pose any real threat to our safety. A century or ...
23
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10answers
2k views

How can spacecraft manufactured on the moon be powered?

Background: The moon has been selected as the base for human space exploration. Rather than ship tonnes of material out of earth's gravity well, interplanetary spacecraft and space stations will be ...
6
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3answers
571 views

Humans have energy, but not water. What happens? [closed]

Suppose that through a "hand-wavium" genetic engineering coupled with nanotechnology the humanity was able to develop a body battery. How does this work? It provides enough energy for the human body....
52
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19answers
11k views

How do spaceships determine each other's mass in space?

Set in the distant future, space travel becomes prominent and cheap. I can imagine each spaceship would have a multitude array of sensors to track distance and relative position in space. Is there a ...
31
votes
12answers
10k views

In the late 1940’s to early 1950’s what technology was available that could melt a LOT of ice?

In my story I’ve devised lore where Greenland becomes a US territory, and they begin populating the region. It initially just served as the hub for numerous military bases and airbases, but eventually ...
0
votes
1answer
145 views

Could another species overtake us technologically? [closed]

Is it possible for another of Earth's species to catch up and overtake us technologically over the next million years or so? Assuming we survive that long as a species and our technology stagnates ...
3
votes
8answers
308 views

Tactics for society with indestructible material

I'm thinking of creating a society with an indestructible material at its disposal, with molecular bonds impossible to break once it has been synthesized and cast. How would a society using this ...
3
votes
4answers
264 views

Regenerating Fuel Cell

I'm working on a powered exoskeleton design for my universe and I had an idea about how to power it. It works in this cycle: Water enters an electrolyzer powered by a massive betavoltaic battery ...
16
votes
13answers
2k views

Logistics of a hovering watercraft in a fantasy setting

So in my fantasy world, there exists a substance that (when applied to the surface of an object) repels water in the same way a very strong magnet would. This allows boats to hover above the surface ...
7
votes
2answers
168 views

Unearthing a landfill 50-100 years later [closed]

I am working on a post-apocalyptic world with relatively advanced small-scale militaries. In what ways are landfills useful as sources of rare earth metals, glass, or other materials? Edit: Mostly ...
3
votes
4answers
240 views

How would one optimize conventional modern weapons for fighting robots [closed]

Pretty straight forward What kind of conventional firearms would be best for fighting armored and unarmored robots. Is any particular round effective at destroying electrical components or motors? ...
37
votes
9answers
6k views

What would limit the size of a sail-powered sea cargo ship using modern (or near future) technologies, and how big could we go?

Fossil-fuel-powered shipping is obviously much better than old-school sail-powered ships for moving cargo around. But if winds were predictable, fossil fuels rare and solar/nuclear power not an option ...
4
votes
5answers
1k views

How long will our technology last?

Say there's some sort of apocalypse. A few hundred years from now, the ruins of our civilization will still be standing, but what about our technology? Obviously computers, robots and complex vehicles ...
6
votes
3answers
353 views

What ways are there to keep a steady altitude with large fluctuations regarding load?

Setting: In my world I've introduced some science-defying material. I use it to grant the ability of flight to airships that are less Hindenburg-y and more ship-y. They are not literally ships that ...
-3
votes
12answers
633 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 ...
2
votes
3answers
169 views

Can a high power EMP generator keeps killer robots at bay?

Set in the near future, thousands of killer robots resemble those featured in the terminator film, I'm referring to the 800 series model are now marching in as we speaks. I am a sole survivor on a ...
4
votes
3answers
242 views

Could a technologically advanced civilization be possible without digital computers?

I've noted an interesting trend in Netflix, specially on Sci-Fi and hero series. The worlds often have these aesthetic characteristics: Computers are rare, very big or non existing Phones, but ...
0
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4answers
106 views

which problem can be solved by virtual world technology [closed]

can we use this technology to do scientific experiments(example : making The Large Hadron Collider, New medicines's reactions against virus and bacteria.) maybe you can make the argument that the ...
-4
votes
4answers
216 views

I have two cellphones that are exactly the same, SIM card and all, and I make a call on one of them. What happens?

Say I had a cellphone, let's call it cellphone A, and made a perfect copy of it - SIM card and all - and let's call this one cellphone B. If I were to call someone on cellphone A, what exactly would ...
19
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4answers
2k views

In a post-apocalypse world, with no power and few survivors, would Satnav still work?

Assuming: there was no power, so there was no web/internet you had a mobile phone (one of the smart ones, not a basic one) powered by solar the phone had maps downloaded on to its memory card (so you ...
14
votes
15answers
4k views

Can there be a long-range railway system without industrialisation?

Consider a civilization with pre-industrial, possibly even pre-gunpowder technology, but the economic incentive to have continent-spanning railway tracks. Would it be possible for them to build those ...
3
votes
4answers
192 views

Could a Civil War tech society reverse engineer modern weapons/vehicles?

This is a continuation of my other question How does a mid-19 century military combat a modernized one? So, let’s say our USCA was able to destroy those damn meddling Bunkerites once and for all. ...
10
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10answers
2k views

How to transport 10,000 terrestrial trolls across ocean fast?

Trolls are about 30 meters tall on average and can weigh anything between 100 to 200 short tons at sea level. They can only be found to inhabit an island somewhere in the Pacific ocean and are in ...
12
votes
11answers
6k views

What would a steam locomotive look like if steam power became yet again the main type used in rail transportation?

Assume in the very near future almost all rail transportation would return to steam-powered locomotives. To define it exactly, I mean solid fuel is burned inside the locomotive, which boils water, ...
6
votes
2answers
256 views

How do mermaids map ocean currents?

Humans lay road to gain fast access to distant places until aeroplane is invented, I would presume the mermaids living underwater can make use of the strong water current to get around the ocean ...
-1
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2answers
160 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 ...
8
votes
6answers
262 views

How can merfolks stream video in a way much similar to our WiFi but underwater?

Right now merfolks are totally envious of us watching a live stream video of cat(fight) via WiFi or satellite internet, ok ok I get it's not the speed but its latency... Urrrr. Nevermind that I ...
0
votes
1answer
123 views

What was the range of Greek Fire? [closed]

As stated above, what was the range of this Byzantine superweapon and could it be modified to increase its range? If so, how would the Byzantines have done it?
3
votes
7answers
245 views

How could someone calculate all potential outcomes of an action?

In my universe, some individuals possess the capacity to assess all outcomes for an action. As you can imagine, this is very useful. The only way I can think of a plausible way to make that happen is ...