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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2answers
942 views

Fusion Power and Plasma Propulsion

In the classic idea of a Tokamak Fusion Reactor, plasma races around an electromagnetic track. Is it plausible to "spin" off some of this rapidly moving plasma and direct it to nozzles for use in ...
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3answers
353 views

What would be the effects of safe lightweight nuclear power?

Upon asking this question, I have learned why we can have nuclear powered ships, but not aircraft. The reason is because the shielding needed for the nuclear reactor is simply too heavy for the power ...
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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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4answers
488 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....
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4answers
435 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, ...
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2answers
473 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 ...
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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 ...
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3answers
253 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) ...
2
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3answers
238 views

What kind of VTOL engine could eject steam?

Here's the setup. You have a gigantic mildly futuristic city, where construction is vertical rather than horizontal. Need a new city block? Add another few floors. Disregard for the moment any ...
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3answers
481 views

How can I make a Nuclear Powered VTOL Safe?

Here's the set up. In my slightly-futuristic mildly-sci-fi novel, I have a need for an aerial transport vehicle (I have been informed what I need is closer to a VTOl than a hovercraft). These crafts ...
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3answers
167 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 ...
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1answer
158 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 ...
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3answers
259 views

Solar Power Growth limit? [closed]

I was watching a segment on CNBC with Salim Ismail, of Singularity University. He remarked that Solar Power availability (of power created by panels, obviously the Sun isn't getting brighter) was ...
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5answers
142 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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7answers
2k 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 ...
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1answer
70 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 ...
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1answer
89 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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2answers
124 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 ...
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1answer
181 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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4answers
255 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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3answers
439 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 ...
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1answer
187 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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3answers
126 views

Is there an energy resource with such attributes?

Is there an energy substance, element, material, natural or artificial resource with attributes such that: When its moved it loses energy. When its intact, untouched and unmoved it contains energy.
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1answer
89 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?
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1answer
144 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
50 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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3answers
844 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 ...
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1answer
174 views

Peaceful light weight power sources [closed]

Could there power source that can provide unlimited power? It has to peaceful like wind or solar but be able to be moved if need. It has to able to be moved by air and by land, water would be helpful ...
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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,...
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1answer
130 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 ...

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