Questions tagged [electricity]

For questions regarding the generation or flow of electrical charge.

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0answers
47 views

How is the power required to run something electrical determined? [closed]

Laptops, kettles, DVD players, vacuum cleaners don't need the same amount of energy to be powered right? So how do they know that this and that will require x amounts of electricity in order to work ...
6
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2answers
3k views

Can gamma radiation be used to generate electricity on earth?

Since gamma radiation consists of photons, just like visible light does, albeit on a different frequency, isn't there a plausible way that in, say, 200 years into the future, we could harness the ...
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3answers
187 views

What would metal-based electrical life forms be like? [closed]

Lifeforms made of metal that live on electricity that are NOT artificial robots. Not just a metal shell. More than just soft metals. Metals that look metal- stuff like iron, steel, titanium. Creatures ...
42
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11answers
9k views

How do I explain a unicorn discharging powerful electricity at a distance?

I am thinking of copying the design of an electric eel to create the horn, however as air is not a good conductor of electricity it cannot discharge any electrical shock unless there is a physical ...
9
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4answers
5k views

For how long would electricity and internet be avaliable if all but one human on Earth were gone?

In my story all humans except one vanished suddenly. This one received the gift of immortality and is now alone in this world. Considering that the world is identical to ours. How much time does this ...
1
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3answers
661 views

Hand Held Coil Gun cannon - Enough to rip a giant robot limbs into pieces

OK, so my main character has created a hand held coil gun cannon, the whole coil gun is 6 feet long with the barrel taking 5.5 feet of the said coil gun. The coil gun is equipped with recoil ...
7
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5answers
323 views

Plausibility Check: Is it possible to make a lightning dragon plausible?

I was having a discussion with several people on whether or not a lightning dragon can be biologically plausible, without any magic involved. We came to two main possibilities and I'd love to see ...
87
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12answers
15k views

Building a phone charger 500 years ago

Imagine a theoretical scenario where I am transported backwards in time 500 years with nothing but a mobile phone containing all of human knowledge. Clearly I want access to this valuable resource but ...
2
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1answer
107 views

Which weapons would humans with electric organs invent? [closed]

In a like-earth scenario, human-like-race discovers to have an electric organ in the body. Imagine it happening with the progression of 1800, when most of discoveries took place, leading to a better ...
9
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4answers
321 views

A character suffers little to no injury from channeling electrical energy. What would voltage and amperage feel like?

In a world where magic exists, a specific character can channel electricity in whatever way you might imagine. They are relatively immune to suffering physical injury even for high voltage or current. ...
3
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3answers
164 views

Would a being with electrical powers be able to stick to things using electricity in some way?

I have a character that can produce electricity. Would he be able to stick to things and move around on walls and ceilings using his electricity power in some way? It would need to be able to support ...
3
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7answers
551 views

How could you accidentally cause a global blackout?

Besides geomagnetic storms, obviously. This has to be man-made. At first I considered a HEMP, but who would've guessed nuclear weapons had so many failsafes to prevent premature detonations? So then ...
3
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2answers
202 views

What problems would arise if a species that uses wheels via electricity/conductivity instead of muscle tissue to move? [duplicate]

I've been thinking about making a species that uses wheels for locomotion. However, instead of using muscle tissue to spin them (as that would cause damage to said tissue), they would use electricity ...
1
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1answer
68 views

Gravitational and Electric Forces in the Movements of Planets

Now that we know about the electric nature of the cosmos, the question arises: "How much are planets affected by electric forces while moving through the universe?" We have been taught that the ...
5
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2answers
277 views

Electrosynthetic Autotrophs

Photosynthesis has an abysmal efficiency with regards to converting solar energy into useful fuel for a plant, and I was wondering: 1) If it would be possible to engineer a plant to accept electrical ...
4
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4answers
239 views

Neglect-proofing America's infrastructure, part 1: Power grid

One of the main premises of my story is that two or three times a year, everyone on modern day Earth over the age of 13 has a magical rule or change to the laws of physics, hereafter referred to as a "...
8
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3answers
241 views

Consequences of all adults turning into ghosts for a week, part 1: Power grid

One of the major sources of conflict in my story is that, in my story's modern-day world, two to three times a year, a week-long supernatural effect is globally applied to everyone on Earth over the ...
5
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1answer
177 views

Is it possible for a multicellular organism to evolve a capacitor?

Is it possible for an organism to evolve a capacitor if the conditions were right (carnivore that stuns fish, living in complete darkness, etc.)? What kind of challenges would there be to evolve ...
18
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1answer
571 views

Electricity without electrons

The universe so far: If charged lepton fields are eliminated from the universe, charged pions become stable (having no decay path that preserves charge), replacing electrons to form bound "atomic" ...
0
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1answer
62 views

The ability to reduce the movement of particles [closed]

Let's say that there is someone with the ability to reduce the speed of particles' movement (or vibration), he can reduce the movement of molecules, atoms and electrons. I want to know what will this ...
5
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2answers
186 views

Electrokinesis, direct, and based on technology

Superhumans in my setting work based on advanced technology (but not clarketech; no violations of physical laws, no FTL). My question is, how can a superhuman direct electricity? From my ...
0
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2answers
112 views

Creating a taser through magic [duplicate]

So I'm trying to explain the basic steps behind magically creating lightning between your hands by combining two or more basic elements together: The elements you can use are: Fire, air, water, earth....
31
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9answers
5k views

How useful would a hydroelectric power plant be in the post-apocalypse world?

The details don't matter, just that a large fraction of people have died (let's say 90%) and society has completely collapsed. It's only a year or two later, and people have started to gather ...
1
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0answers
79 views

Would it be possible to shoot lightning at someone? [duplicate]

Assuming that you could generate an electrical charge between your hands, and that you're actually insulated to prevent a backfiring effect: Would it be possible to guide the electrical charge between ...
0
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1answer
83 views

Could a city of balloons provide its own static electricity? [closed]

In the question: Could a city be built out of Balloons? it asks whether such a city could exist. I would like to know how much electricity (static electricity) could be gathered from the balloons ...
-2
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1answer
614 views

What is the opposite of lightning? [closed]

I want to know what is the opposite of lightning. To give you some background, it has to be something that makes up a large aspect of the universe and cannot be anything in this list: space, time, ...
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2answers
186 views

Would dumping vast amounts of electric charge into a traversable wormhole be a viable way to keep the wormhole open?

It's possible to have lots of electric charge while having only a small amount of mass, and a black hole with a significant electric charge has properties that are different from one with no electric ...
16
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11answers
5k views

How to harness electricity from crystals?

One of the features in my world is a crystal cave. The crystal is mined to be used as a source of electricity. I want this electricity to power up simple electric devices, some sort of light bulb. I ...
1
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2answers
111 views

When were computer components 0,2 micrometer in size? [closed]

When setting a story in the future I always try to limit the technology available. It's less enjoyable and harder to identify yourself with droney the drone than with John and Jane Doe. Currently I ...
2
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1answer
117 views

Quaternionic electro-magnetism, world that it can exist in, and the appropriate equation system [closed]

The thing could not exist in real world; it is imaginary concept, expressed in a equations in a paper, that could run as a simulation on a PC. That could be interesting for people with some ...
6
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1answer
141 views

Feasibility of Thermoelectric Metabolism

Larry Niven's "Known Universe" (KU) features "The Outsiders" as one of its most prominent alien races. As per KU canon, the Outsiders evolved in a frigid moon (similar to Nereida) and they sustain ...
1
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0answers
109 views

How much static electricity can balloons generate? [closed]

The question 'Could a city be built out of Balloons?' has an answer mentioning using the static charge generated by the city as a power source. Could a city built out of balloons generate enough ...
17
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5answers
2k views

What's the most convenient time of year in the USA to end the world?

This is a question I've been wondering about for a while. If I wanted to give my characters the best possible chance of surviving my story's Armageddon, what time of year should I schedule it for? ...
19
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8answers
12k views

Car headlights in a world without electricity

In a world like ours in the 1980s, but which for whatever reason does not use any form of electricity. (Either it does not exist or batteries and generators etc have not been invented.) For purposes ...
11
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7answers
4k views

How to make a superhero with electrical powers fly?

I'm writing a novel in which one of the characters has the ability to control, manipulate, and produce electricity. I'm having issues working about scenes which require him to fly around without ...
9
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5answers
259 views

Are handheld electric weapons realistic?

I want to use Teslapunk weapons in my semi-realistic science fantasy RPG that behave somewhat like flamethrowers, in the aspect that they fire out a branching arc of raw electricity. It would ...
6
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2answers
194 views

Electrical, Internet and phone connections on an isolated part of a world?

In the world I am creating, a chunk of the USA, specifically in Northern Oregon, is teleported to another world. The teleported section has all infrastructure intact, including power generation in the ...
4
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1answer
181 views

How damaging would a major solar flare induced EMP event really be?

With specific attention to national electricity power grids. Some pertinent details needed to answer the question might be. What parts of the power grid get damaged by such an event How do they get ...
5
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1answer
196 views

How do humans with electric organs prevent self-electrocution?

In my world, a small population on an isolated island were bitten by radioactive electric eels while fishing. I read that the eels can send out carefully timed signals through their nervous systems ...
9
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2answers
138 views

How to design an electrical grid for a flare star planet?

The most popular type of stars are red dwarves, which regrettably tend to be flare stars. Yes, I know that geomagnetic storms and power lines do not like each other. Technology level: More or less ...
5
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4answers
190 views

Weapons for Bio-Electric creatures

The Tzzin are a race of reptilian humanoids that have some resemblance to electric eels. They are capable of generating and discharging electric charges through their hands. With their Stone Age ...
5
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1answer
71 views

How might an astronaut in a vacuum create an electrical field sufficient to affect a cloud of particulates?

My protagonist is in a sticky situation: floating in space (fortunately in a spacesuit) and about to be attacked by an alien avatar made from smart matter; tiny specks of dust which share a ...
12
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7answers
5k views

What size EMP device would be necessary to wipe all data in a Google-sized server farm, without major physical damage?

I'm not sure if it's even feasible, but I have a server farm in my book, of a size that puts it on par with Google's. I want to wipe out all the data stored on the hard drives, without destroying the ...
1
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3answers
202 views

How might a group (with an electrical engineer) restore downed power lines post-apocalypse?

In the scenario I'm envisioning, my group is in a city. They've got a source of hydroelectric power, but a few downed power lines/utility poles are making it difficult for them to transmit the ...
0
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2answers
335 views

Fantastic nervous systems and what powers them [closed]

Nearly all living creatures on this planet have one form or another of a nervous system that transmits sensory data to the creature's brain. What's really interesting to me is that this data is ...
4
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3answers
233 views

What happens to the human body when hit by a magic lightning and a frozen arrow at the same time? [closed]

What happens to the human body when hit by a magic lightning and a frozen arrow at the same time? The lightning power is strong enough to shock but not to kill. The point where the ''combined spell''...
17
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5answers
3k views

What would happen to a human if he steps inside a zone that strips electrons?

PREMISE The zone will make all electrons disappear. QUESTIONS If a person walks in that zone with his whole body, would he die from heart failure? What happens if he just sticks his hand in? Hand ...
3
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3answers
178 views

Alien Senses: Active electrolocation

In the course of designing fictional species I often find myself wishing to use exotic senses which we humans lack. This poses a unique and interesting challenge as without possessing the sense myself ...
7
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8answers
3k views

Would room phones work in a hotel during a blackout? [closed]

I'm writing a story about people being stuck in a large hotel. One character wants to call a loved one, but I'm trying to think of a reason that they can't. My initial thought was that the front desk ...
18
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8answers
5k views

How can you justify a steampunk society in which electricity exists and the understanding to use it (though rudimentary) is present?

In most modern steampunk settings you see rudimentary use of electricity (a good example is Dishonored) however, no one seems to be too interested in advancing electric technology beyond very crude ...