Questions tagged [technology]

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

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4answers
211 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
341 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 ...
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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 ...
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5answers
3k views

Ancient Light Trigger Mechanism

In the first scene of Indiana Jones and the Raiders of the Lost Ark, we see a booby trap where a series of spikes are thrusted out of a wall, and are triggered by "walking into the light". I think in ...
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2answers
111 views

Anatomically(?) correct nanobots [closed]

With my limited knowledge of chemistry, molecular physics, and quantum computing, I'm struggling to reconcile sci-fi/fantasy trope depictions of (seemingly) impossibly small nanobots with actual ...
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2answers
489 views

How much energy does a bee/micro robot need per second of flight?

In my scifi setting small utility robot swarms are used for many purposes. I'm currently trying to estimate how much energy such a swarm would need to operate. Since biology, robotics and ...
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10answers
576 views

Are starfighters a realistic evolution of space naval warfare?

I’m making my story as close to real and theoretical science as possible. I remember reading an article a while ago saying realistic space warfare would be capital ships engaging in missile warfare ...
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2answers
77 views

When antimatter meets matter do the two of them cancel eachother out? [closed]

I’ve designed melee weapons akin to lightsabers for my setting that emit a blade made out of antimatter. The handle itself serves as a mini particle accelerator, and it emits a magnetic field to ...
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3answers
110 views

How advanced could an underground society get?

To briefly summarize: former slaves to a race of flying dragon-like humanoids (I've made some modifications to them based on feedback, but the gist is more or less the same) have escaped into the ...
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12answers
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 ...
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5answers
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Would nuclear bombs be effective against clouds of nanites?

Would they be able to even destroy the nanoscopic machines, or would something like an EMP be much more efficient? The nanites in my setting are programmed to tear apart the human genome of enemy ...
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6answers
121 views

Early stages of a police / surveillance state, experiment leading to totaliarian government [closed]

A democratic government starts tightening its grip on the citizens by tiny steps, slowly but surely they advance towards a state that resembles China today. In their first step, they start a ...
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2answers
104 views

How much processing power would a real time Edited Reality headset need to render video in real time

Imagine a VR headset with built in camera & AI with object recognition & photo editing software. The camera records the image. The AI is trained to pick out 'undesirable' images, objects, ...
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5answers
6k views

What would happen to the world if all lightning stopped?

Imagine you have a weather-controlling device that you use to eliminate all lightning strikes. They're just too dangerous. What happens to the earth? Does lightning serve a necessary purpose to any ...
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4answers
212 views

Swords Becoming Effective Weapons [duplicate]

What sort of event would make swords the safest bet for a fight? In most post-apocalyptic scenarios, you would never be sure that your opponent didn't have a gun, no matter how rare ammo is. That ...
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3answers
555 views

Can a Robotic Eyeball Be Created that Perfectly Replicates Human Vision?

In my world, a "perfect" robotic eyeball has been created. This eyeball is electronic, but it emulates a human eye perfectly. This does not necessarily mean that it has millions of synthetic cones ...
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2answers
187 views

What is the minimum earth population required to keep up the current technologic state of the art long term?

I'm wondering what would be the minimum number of people living on earth required to keep our current level of technology, e.g., in each field the state-of-the-art. Many technologies have long ...
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9answers
3k views

How to trick a fairly simplistic kill-counter? [closed]

In my setting, soldiers carry with them kill-counters; devices that measure the lifesigns of everything in the vicinity and then count one kill if the lifesigns of a given humanoid suddenly ceases to ...
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6answers
1k views

Could echolocated images be used for a language?

So I have this underwater echolocation using species. I'm wondering if they could have a language partly based on recreating sounds from returning echolocation waves to 'talk' images at each other. (I ...
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3answers
4k 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 the early 15th century in Western Europe? I want to know so I can determine whether my mages could come up ...
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2answers
191 views

Can a mono molecular blade or point puncture advanced carbon armour?

In the previous post, I asked what would happen if armour outpaced modern firearms. The answers I received are all very interesting. There is one point that comes up however that I never considered. ...
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20answers
13k views

Teleportation is invented but it has nasty side-effects % of the time, how will that affect usage of the technology?

A few decades ago, a new glorious invention in our huge FTL interstellar empire was created - teleportation tech. A 2 meter cube is technologically put in a "Warp" field at one location and deployed 1 ...
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13answers
13k views

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 ...
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1answer
217 views

How does 1963 science work with 2013 materials?

This question reminded me of a Nanowrimo attempt of mine a few years ago. Main Character is bicycling in modern day (2013 at the time), and creates a time-portal, finds herself in 1963 near Xavier's ...
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3answers
2k views

Could a government control its people using frequencies?

Setting: Earth, in the future, near 2060 or 2100 Technology: a bit more advanced than ours Armies and police forces are already using systems for crowd control. Some devices can generate discomfort ...
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5answers
3k views

Medieval Vacuum

Given a Medieval or Middle Ages level of technology - leather bellows, etc how close could craftsmen come to achieving a near total vacuum in an enclosed space. In context, I'm trying to create a ...
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3answers
210 views

Which knowledge would be most likely to be lost if one needed to make back up of human knowledge in hurry?

Imagine a situation in which a small group of people, not working for any gov has good reason to think that civilisation (as we know it) is going to be destroyed soon. As usual as in such situation ...
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6answers
191 views

Is atomic or molecular homogenity a good constraint for materials in a magic-technological society being “enchantable”?

First time here—be gentle with any ignorance of this stack's conventions. Narratively, I'm telling an ultimately political story in a world where magic has existed and developed along side modern ...
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3answers
185 views

How can a race that relies on echo location to “see” protect against sonic weapons?

I am interested in adding a race that relies on echolocation to sense the world around them in my scfi/fantasy setting. What I'm wondering is, how can a race protect against highly advanced sonic ...
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16answers
9k 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, ...
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15answers
3k views

Symbiotic benefits for large sentient bio-machine

I’m working on a setting, and have a state I want to achieve but need to come up with a compelling reason for why it is the way it is (even if no one but me ever knows the ‘why’.) I’m after a reasoned,...
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1answer
168 views

Hidden specks will blow up the world if overheated: how bad a thing is this?

I'd encourage you to take about 4 min to read the whole post. Multiple masses of parabanic acid appear at random around the world (but see Context and constraints), displacing any matter in their way ...
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1answer
89 views

How might a scaling “force field” work?

To Whom It May Concern; I'm going to be blunt: I'm terrible at formal letters. I've just recently arrived at our new home. I find it amazing! The city design leaves something to be desired, but I ...
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2answers
510 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 ...
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5answers
405 views

How high in the air would an object have to float to ensure that a medieval society cannot reach it, no matter how hard it tries

Let's assume some things: The ground under the object is flat land. The object always remains in the same position. The object is clearly visible from the ground. It is a high priority for the people ...
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5answers
3k views

Is it possible to build an escalator without iron, with 16th century technology?

Escalators, from what I've seen, were created in 1891 using iron. However, with the way they collapse into themselves, is it even possible to make an escalator using technology from the 16th century, ...
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6answers
1k views

Could you fly airplanes on Jupiter?

Perhaps you've flown in a plane on an especially cloudy day when all you can see are clouds beneath and above you. It's a beautiful sight, strata'd white all around. So what if the plane were flying ...
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18answers
10k views

How is warfare affected when armor has (temporarily) outpaced guns? How can guns compete?

This a follow up on the previous post that asked how strong graphene armor would be and the general conclusion is that we have no idea sadly. So in this post I will ask a more relevant question. ...
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5answers
300 views

Could Modern Satellites Monitor the Whole World's Military Movements

The premise here is that a government is already secretly using satellite imagery to record every surface of the Earth and automatically catalogues probable military assets and movements using image ...
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4answers
3k views

Could an eternal or near-eternal battery exist? [closed]

It would obviously utilize a much more powerful substance than simple electricity. Maybe plasma could constantly be siphoned from the infinitude of stars in the universe to keep the battery charged ...
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5answers
174 views

Is it realistic to have a sound-based naval identification system?

I have a number of sea-faring races in my fantasy story. The world is relatively mundane i.e. no magic and the races are somewhere the Graeco-Roman classical period in terms of their technology, give ...
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2answers
256 views

How strong would graphene armour be? What is the best design?

For quite some time I wondered how strong graphene is as armour. Don’t get me wrong, I understand what graphenes is and would no doubt make excellent armour. I want to know how good it would be ...
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5answers
249 views

Are laser-stars the better missile carriers in space warfare?

Laser-stars are war-spacecraft optimized to accommodate a huge laser weapon capable of eliminating an enemy thousands of kilometers away. They will usually have enormous radiators to deal with the ...
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3answers
209 views

What Planetary resources would be most valuable for a Space Exploration world?

What resources would be most valuable to enhancing space travel, establishing new colonies, be cause for invasion, etc?
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4answers
102 views

What makes an unstoppable droid army? [closed]

So my question is what would make an army of droids unstoppable when facing against humanoid species? (specifically how would droids be designed) For context one person sets foot on a planet with ...
3
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1answer
85 views

Social Media for Blind Aliens

The Xy: There is a sentient alien species called the Xy, which primarily relies on its sense of touch, smell, and hearing to make its way around the world. Physiology: Due to evolving in dark ...
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7answers
12k views

Realistic Santa and Reindeer

With advanced technology would it be possible to make something like the Santa in the story as well as the reindeer? If so could a realistic Santa be a human or would him and his reindeer have to be ...
4
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5answers
262 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....