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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4
votes
1answer
156 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
votes
9answers
708 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
votes
6answers
263 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
votes
3answers
122 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 ...
30
votes
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
votes
4answers
296 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
votes
1answer
391 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 ...
4
votes
7answers
230 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
votes
3answers
336 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 ...
27
votes
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
votes
3answers
330 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
votes
2answers
108 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 ...
1
vote
5answers
134 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 ...
1
vote
2answers
114 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
votes
4answers
177 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 ...
0
votes
1answer
175 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 ...
0
votes
1answer
118 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 ...
1
vote
1answer
65 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 ...
4
votes
5answers
333 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 ...
2
votes
4answers
393 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
votes
3answers
449 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}\...
1
vote
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
votes
1answer
48 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 ...
-3
votes
1answer
125 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 ...
0
votes
3answers
424 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 ...
12
votes
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
votes
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? ...
4
votes
4answers
584 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 ...
26
votes
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
votes
4answers
310 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 ...
2
votes
2answers
419 views

Could an entire continent runs on a single fusion reactor plant by 2100?

Affected continent is Asia, the world is running out of coal and natural gas. A major mega structure project is underway, its goal is to provide electricity across the continent with a single fusion ...
13
votes
3answers
2k views

How do you power a cyborg?

In this answer about how to design the ideal cyborg, I said: ... Use electric tissue to power the machines. Cyborgs need some way to generate electricity when mechanical parts are involved. ...
5
votes
4answers
235 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 ...
2
votes
6answers
240 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 ...
3
votes
3answers
174 views

Wireless power generation in a fleet of spaceships

Okay, so while I'm fairly certain this is possible to do, I wanna know if it actually makes sense to do so. Imagine you have a fleet of ships, each of them so large it takes megatons of antimatter to ...
7
votes
14answers
3k views

How imagination would work as a magic source?

I'm considering a world where a specific civilization can use imagination as power to invoke spells, create objects and creatures. The range of abilities depends on the user. Some individuals sweat ...
5
votes
2answers
503 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 ...
2
votes
3answers
245 views

Underground City Design: All Solar Electricity

I am working on designing an underground city for my Kepler Bb story. I am now at the civilization phase and there are 100 people(Not including Robin, Lisa, Alma, and possibly 1 or more little ones) ...
-3
votes
5answers
1k views

Batteries that never run out of power [closed]

We are in the 21st century (2016) after the big revolution of smartphones and portable devices and Tesla cars are slowly getting on the roads. We became very needy for batteries for all kind of things,...
7
votes
4answers
841 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) ...
2
votes
4answers
411 views

How could an evil king start by himself his kingdom from ground-up using his recently conquered kingdom?

This evil king has a supernatural/magical power, which gives him a big advantage over his enemies and allows him to win battles by himself. Although he has never been a king, he now wants to be one, ...
15
votes
5answers
14k views

How long can a power plant continue to generate electricity without maintenance by people?

The situation is as follows: there is a city with different districts, each provided with electric power from a different power plant: Thermal power plant nuclear power plant Hydroelectric power ...
2
votes
1answer
153 views

Could we replace humans in this picture with robots to generate electricity? [closed]

My idea is to replace the humans with robots on magnets - like the maglev trains or just a couple smart wheels. Simple mathematical algorithms would adjust the robots to keep the contraption spinning ...
20
votes
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 ...
50
votes
10answers
48k 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 ...
4
votes
5answers
329 views

Using lasers to transmit solar energy

As we know, solar power is the ultimate source of energy for mankind, and it's the most abundant(I have read that we receive more than 1000 times the energy we currently use, if we were to have a way ...
13
votes
12answers
1k views

Renewable energy in space

I'm working on a story set in a generation ship traveling through the stars. Its propulsion is a solar sail, which will accelerate it over many decades to a substantial fraction of the speed of light. ...
5
votes
7answers
794 views

How do I make floating ambient light?

I would like to have a small orb, producing light of proportions of a standard household bulb today. No big deal, right. They have these already for sale on Amazon as night lights. I would, however, ...
-1
votes
3answers
779 views

The possibilities of infinite energy?

So the idea is that the world has been destroyed, and an emergency plan to put the rest of humanity on floating cities/islands has been put in place. These islands subsist off of some sort of ...