Questions tagged [power-sources]

For question about anything that can be used as a power source for a planet or civilization.

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3
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3answers
473 views

There is a material that could be used like the Dune's Stillsuit to generate electricity by friction?

Well, even though I used Dune Stillsuit as an example, the idea I have is nothing related to the recycled water they need, just to generate electricity constantly through their journey to keep them ...
7
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6answers
2k views

How do I make my soldiers jump higher

I need a mechanical way to make my soldiers who are combat explorers in a forest to be able to jump higher than normal. They will be equipped with a variety of weapons from normal hand held weapons up ...
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5answers
1k views

How could androids power themselves?

I'm experimenting with a sci-fi setting where human-like mechanical androids are the dominant "lifeform." Though the setting is based on science, androids live in tribal societies. For the ...
15
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9answers
4k views

Vampires as a never-ending source of mechanical energy

Background Vampires are the usual sort. They sleep in coffins during the day and awake when it gets dark. Apart from the normal ways of killing them, they are immortal and so, despite their thirst for ...
3
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2answers
94 views

Would redox flow batteries be good for the development of all-electric armored vehicles?

I am in the process of creating a somewhat hard military sci fi setting and was enamored by the idea of all-electric armored vehicles for a future war. For this I decided to used Redox Flow Batteries: ...
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1answer
88 views

energy sources for intergalactic travel in fictitious universe with similar laws of known physics but different evolution

This question differs slightly from the many excellent threads on topics similar to this one. In the fictional universe I am contemplating, the same laws of physics apply as in ours, but because of a ...
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4answers
122 views

How effective/practical would giant batteries be, both in power and construction?

I was thinking about a source of power for one of my civilizations. Chemical power, specifically giant batteries, have always been A cool idea to me. I want to know how realistic this is. I want it/...
10
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5answers
868 views

Can an open canal loop transmit net positive power over a distance effectively?

I’m designing a society in a hostile climate which transports its energy from remote stations to a city with an absolute minimum of maintenance and infrastructure requirements. The concept is to use a ...
4
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6answers
940 views

Could medieval people make an electric motor?

It was suggested that a medieval people, with a readily available source of electricity, would develop electric motors and horseless carriages. I had thought these would be too complicated to make ...
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2answers
171 views

Horror World Problems [closed]

I have left Super Dee behind, and is now focusing to truly build a world. In my new world, there are skeletons, vampires, zombies, witches, etc. Everywhere, people bring guns in their backpacks to ...
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2answers
37 views

How can a summoning circle dilute the effects of radiation over a wide surface area?

Summoning circles are a way to communicate with entities within the ethereal realm from beyond the veil. A mage uses the summoning circle as a bridge to bring the entity from its realm and ...
4
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5answers
104 views

Alternative power that produces smoke

I have a post-apocalyptic world that is devoid of plant and animal life, although because of underground bunkers containing stored chemical materials and underground gardening,reservoirs,and mining, ...
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0answers
35 views

Fossil fuels production optimization

I'm sure that a jungle planet would probably have more fossil fuels than Earth, as there'd be a lot more organic carbon, which would get buried underground and converted into fossil fuels. We'd ...
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5answers
1k views

What would prevent an eldritch deity from gaining the abilities of others that it absorbs?

nyarlathotep, the Black Pharaoh, seeks to enter the realm of Earth to rule over mankind. Unfortunately, he is prevented from doing so by a barrier that blocks eldritch deities from crossing over. To ...
2
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2answers
85 views

How can the rate of Mana output from mages reach a state of equilibrium during a spell? [closed]

Witches and warlocks have been working together for centuries. Witches have ley lines running throughout their circulatory system, in which their Mana flows through. These ley lines give them the ...
5
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2answers
138 views

“AC” compressed air?

So, compressed air power is a Thing. Compressed air tools are reasonably common, and compressed air has even been delivered commercially as an industrial utility at times. But all existing compressed-...
7
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3answers
319 views

Why don't Sci-fi stories draw energy directly from their stars using wormholes/FTL devices? [closed]

Science fiction is full of devices allowing people to open portals to other worlds, teleport, open wormholes, etc. but there are only subtle discussions about tapping into the sun or other stars with ...
5
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2answers
204 views

Feasibility of sourcing fuel from air

Is it feasible to modify a combustion engine to source fuel from air and oxidizer from a tank, in an atmosphere that has significant amount of flammable fluids, such as one found in Titan? If so, can ...
3
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4answers
253 views

What is a plausible combustible fuel on a colony planet?

The setting I'm trying to build is perhaps best described as "Mad Max in Space" - except civilization hasn't collapsed and tanks and airplanes are still a thing. Planetary colony ...
3
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4answers
164 views

How can a soul be unable to resurrect from multiple locations?

I am a warlock who has committed many evil and despicable deeds in his lifetime. Bad karma has blackened my soul, dooming me to an eternity of unspeakable suffering in hell. Luckily, there is a way to ...
5
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3answers
247 views

I need a 1980s suit of nuclear-fed heavy power armor

With a miniaturized nuclear reactor on my back, what does my late Cold War suit of CBRN-shielded antiballistic-plated power suit look like? Could it mount vehicle-grade weaponry?
4
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7answers
3k views

How can a substance necessary for organic life be harmful? [closed]

Mana is the source of an individual's magical power. A person's Mana reserves determine the strength of their spells. Lady Stoneheart, the Witch of Westeros, has developed a black market industry ...
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6answers
491 views

Cons of Antimatter Weaponry

In the story I'm creating, a major weapon type of humanity will be Antimatter based weaponry. This is a fairly new technology, as antimatter production facilities have just reached the size and ...
2
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5answers
168 views

reactor powered by explosives

Is it feasible to power a reactor using explosives with today's technology? Just using the heat of the explosion to turn a turbine is not the idea I am looking for. Keep the handwavium to a minimum. ...
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4answers
126 views

What would make Mana bending lead to unrelated effects on reality?

Mana benders are individuals who can impose their will on reality by altering it based on their perception, usually interpreted as "magical abilities". These powers can take a number of forms, ...
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2answers
133 views

Harnessing energy directly from the sun via quantum tunneling

In the universe of my story, the Earth is ridden with metahumans with uncanny powers that do all sorts of different things. Of course, to do all this, they would require a tremendous amount of energy, ...
4
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8answers
734 views

How can it be made more difficult to resurrect the recently deceased?

When a person dies, their soul ascends to the astral realm to rest with the gods. However, a piece of them, called the Ka, remains on earth. This piece is the off cast remains of the soul and a ...
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1answer
93 views

Can an electric transmission line of 40075 Kilometers exist? [closed]

How long an electric transmission line will be? How much volts of AC need to transmit that far? How much will be the loss of power during transmission?
36
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19answers
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 ...
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4answers
283 views

What kind of matter would be needed to maintain a black hole?

Let's say we have a reactor that taps into an artificial black hole (kugelblitz-type). What kind of matter would be needed to feed the black hole to sustain it? Would this matter be treated like fuel?
7
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5answers
274 views

Capital ship reactor power

I'm trying to not delve too into the sciences so as to keep things fairly suitable for a space opera setting, but I'm trying to figure a few things to a reasonable degree of detail. My question here ...
1
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1answer
98 views

What would we see driving through a country or coastline of a distributed and hardened Hydrogen energy infrastructure?

I could describe the energy infrastructure of 15th century Holland by describing colorful windmills set up to drain swamps, saw wood, power woodworking mills, and process food. Dutch carpenters busily ...
3
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3answers
116 views

How could a fusion device be held at the centre of a ring-shaped space habitat?

I'm trying to create something like a generation ship, but it has no destination, and is travelling endlessly, so is more like a deep space non-orbital habitat for humans. One helpful and appealing ...
4
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3answers
195 views

Unpredictable reactors which like to explode by default

In my world, alien 'reactors' are discovered that are very efficient at creating power (around 1000x better than fission), as well as requiring little fuel, making them the perfect power source. ...
1
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1answer
190 views

What would be shocking to learn your neighbor did with his machine that clones anything for only 0.05 seconds? [closed]

This is a stub from an overbroad question in the Sandbox I have a device similar to what Douglas E. Richards' used in Split Second (I have never read his book) such that any object of less than 3 m3 ...
4
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1answer
227 views

Metallic hydrogen powered vehicles

Let’s say metallic hydrogen becomes an economically viable resource that we are able to either make ourselves or mine from a gas giant, how would we use it as a power source for vehicles both ...
7
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5answers
203 views

Adapting to a sonic world

A planet much like Earth orbits a star much like the Sun, but with one difference: the energy from the star is magically transformed into sound within the planet's atmosphere. There is no longer ...
4
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1answer
176 views

Wirelessly charging the world

In my world (consider it an Earth analog for simplicity), power stations on the ground ionize columns of atmosphere using high-energy, electromagnetic beams. The plasma columns stretch all the way up ...
4
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9answers
863 views

How can power levels matter in a magic system that emphasizes control?

Magic works through transmutation circles infused with sigils that both manifest from a person's mind. The individual focuses their Anima, or life force, through these circles in order to create ...
3
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6answers
367 views

how can non-magical soldiers gain power from a magic ritual without making its participants weaker?

This particular coven operates as a powerful and wide spanning enterprise focused on accumulating power to direct the world in ways that align with their interests. Witches gain more power through a ...
3
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3answers
185 views

How can a soul sucker avoid the negative traits of its victims?

People are souls that inhabit and animate human bodies. The lifeforce of an individual is what powers the soul and allows it to exercise control over the body. Physical and mental attributes, such as ...
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17answers
7k views

How could indestructible materials be used in power generation?

Background: In this scenario assume technology is initially equal to our own, but a method is discovered to render material indestructible. The affected material is treated as requiring infinite or ...
3
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4answers
334 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 ...
4
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1answer
3k views

How long would the electricity grid stay up if everyone suddenly died [duplicate]

Given: your classic zombie apocalypse (99.9% die in the first 24 hours, and survivors stop going to work) a developed country (say USA) coal power stations how long after people stopped doing stuff ...
5
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7answers
259 views

Is broadcast power suitable for recharging robots?

The last time I checked ASIMO's battery pack only had enough juice for something like 30 minutes of continuous operation & then it has to plug in & recharge which isn't really that useful. I'...
3
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3answers
348 views

What can power up an eco friendly Dino theme park?

My company has just taken over the North Sentinel Island to setup a Dino attraction, construction phase is in progress and we also managed to convince the local to move and settle somewhere else (by ...
22
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14answers
4k views

Rain powered transport

Rain-powered transport The plain of Soggi experiences a constant rainfall. Can a rain powered vehicle be built according to the following conditions? The plain of Soggi experiences a constant ...
28
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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 ...
5
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3answers
353 views

How do I power Goldeneye?

I've been spending some time thinking about putting a satellite weapon into space. It would look something like this. Don't worry about those letters, they stand for something else. This weapon can ...
3
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2answers
117 views

Batteries and resource restrictions

I've prefigured a specific setting as being middling in technological progress when compared with its neighbors. This setting does not have access to hydrocarbons, has severe cultural and political ...