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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1answer
84 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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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 ...
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 ...
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4answers
248 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?
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5answers
237 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
85 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 ...
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3answers
165 views

Power Source For Gauss Gyrojet

So I have a ridiculously overpowered weapon for a character call the Mk II "Damocles" Gauss Gyrojet, which is essentially a coilgun which fires rocket bullets. It is so bulky it is only capable of ...
3
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3answers
109 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 ...
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 ...
4
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3answers
176 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
179 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 ...
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1answer
160 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 ...
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5answers
175 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
166 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
767 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
300 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 ...
14
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10answers
7k views

What are the power options for intelligent humanoid robots?

In my future setting on Earth (or an Earth-like planet; haven't decided), the fields of robotics and AI have taken off and we have intelligent, ambulatory robots. (They were initially thought of as ...
3
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3answers
139 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 excercise 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 ...
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10answers
52k views

Will unattended nuclear power plants actually cause damage to their surroundings?

Scenario: Deadly virus wiped out 80 - 90% world population and it did it pretty quickly (in 2 months) Although it is plausible that among these 10 - 20% of survivors will be people who actually know ...
3
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4answers
310 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
793 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
248 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'...
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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 ...
3
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3answers
340 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 ...
5
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3answers
336 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
111 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 ...
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5answers
138 views

Portable, high-output power generator?

Brief scenario: Evil Genius (EG) with a lot of money and lots of loyal henchman wants to take over the world by mass-producing vast quantities 2-3ft tall spider robots (SR). The plan would begin ...
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2answers
121 views

How to process crystal based source of energy into liquid form? [closed]

I start to write sci-fi story and there's a chapter where a mining plant will work with this source of energy called Extrenum. This energy was taken out from crystal rocks material but I wonder if it ...
4
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4answers
196 views

Could charged plasma be used as a working fluid to spin a magnetic turbine to generate electricity?

As the title suggests, this is a conceptual physics kinda question. What is the feasibility of using an electrically charged (as in not neutral) plasma as the working fluid in a turbine where the ...
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1answer
185 views

What is the smallest theoretical energy generator possible for generating huge amounts of energy? [closed]

There are the examples of the Dyson sphere or the black hole bomb but those are too big. Is there any other source of energy you could theoretically contain on earth that wouldn't crush it or us down ...
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1answer
136 views

Can an Earth like planet support life by building a Dyson Sphere across a White Dwarf or a Red Dwarf star? [closed]

Is it possible to depend on a white dwarf as our power source, provided that we harness 99% of energy? Can life be sustained? How it will change the climate and the seasons of earth if it is our ...
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1answer
69 views

Reducing power of magical substance [closed]

What would make a substance that powers magic less powerful when it is moved to a dimension where magic goes unacknowledged? I want the source - a mineral or chemical - to become something that is ...
2
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6answers
245 views

Solar Powered Vehicles [closed]

Here is one of my ideas for when my Kepler Bb civilization gets higher level technology. It is Solar Powered Transportation. Now I know what you are probably thinking. You are probably thinking that ...
12
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2answers
2k views

How much power can you send via a laser through the atmosphere without catastrophic effects?

Assuming that you had: some sort of amazing power plant on the moon that can create an unlimited amount of power a similarly amazing solar panel on earth that can receive an unlimited amount of power ...
4
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5answers
362 views

Electrical grid based on devices in series using constant currents, not devices in parallel using constant voltages

Mains power electrical systems on Earth supply a fixed standardized voltage to a number of devices, which are all wired in parallel with each other. However, on the planet I'm writng about, they do ...
4
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4answers
616 views

How would a large Space battleship be powered?

Ideas for a power source of the future This is quite a general question, so I suppose I should add some context; The ships that I have envisioned are pretty big. The flagship is about 1km long. They ...
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3answers
436 views

Sky Train Blimp Plane?

Can using blimps to hold power lines and implement laser filamentation of ablout 7 meter span from the source of power for a contact free power supply to power an electric engine (designed to run on ...
2
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4answers
472 views

How to produce enough power to create a pair of proton-antiproton?

I've recently discovered something great: the Schwinger effect. It says that if you concentrate enough power thanks to laser into a single point in space, it will spawn a pair of proton and antiproton....
14
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3answers
488 views

How efficient can my neutrino detector be?

In a class discussion last week, someone pointed out that a typical core collapse supernova releases $\sim10^{46}\text{ J}$ of energy in the form of (anti-)neutrinos while only radiating $\sim10^{44}\...
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7answers
1k views

What is the best idea for an advanced type of battery for my future sci-fi world? [closed]

What kind of battery would an advanced sci-fi world use, that has basis in real science (something we only speculate about today)? When I say battery, I mean things that power devices not laser gun ...
0
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1answer
49 views

Is Friction charging or Tribostatic charging, futuristic?

The charging of devices or other electronics by friction, futuristic ,or has it been already realized? Also are solar and wind power charging more efficient? Should my civilization rely on those ...
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1answer
129 views

Are these technologies futuristic or are they already being used in real life? [closed]

My world is strictly FUTURE, which means technologies that we humans on real- modern day Earth have achieved are not given the spotlight. They just blend into the background. However, I don't know ...
7
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4answers
878 views

Is it possible for a civilization to advance beyond 17th century tech without electricity or steam power?

In my world , a race of sea faring half elves now possesses 18th century maritime technology , and 16th century ..... Everything else. Given that they spend most of their time at sea , they lack - A) ...
12
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7answers
3k views

Fusion: Using a lens to focus the energy of a star

Is it possible to focus the energy of one star to a small enough point and high enough energy to provide the energy to start a fusion reactor? I'm imagining a large lens placed between the star and ...
13
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11answers
3k views

Off-planet energy production - what would be best way to supply this energy planetside?

What would be the best way to send energy that is generated outside the Earth's atmosphere, possibly in the asteroid belt (nevermind the means), so that it can be used on the surface of the planet? ...
5
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2answers
545 views

Powerfish - how to use fish movements to power tech

Powerfish - on! I'm thinking about writing about a world where fish are used like lab rats, to power technologies. But I'm thinking about worldwide use. I placed my TV on my fish tank yesterday. The ...
5
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4answers
257 views

How could a mammalian body provide substantial electrical power through non-harmful, “passive” means?

I've seen some articles about biologically powering devices through a glucose fuel cell, but from what I can tell this would only provide power on the order of a few tenths of a watt. While it's ...
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5answers
5k views

Practicality of a thorium-powered, superheated-steam car?

At the beginning of the 1900s, the Doble Steam Motors Company built steam cars. Their engineers solved many of the problems steam cars had until then by using superheated steam and a condenser to ...
6
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4answers
312 views

How to power thin contact lenses that let us browse the internet?

Immediate to near future, we are talking about single digit nanometer size transistor and light emitting diode. That's actually very small, you can't see it with a conventional microscope let alone ...