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Questions tagged [electricity]

For questions regarding the generation or flow of electrical charge.

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32
votes
8answers
6k views

Can we 'beam' energy from the moon?

Really can't believe I have to edit this in, but this question has no bearing on our current use and generation of nuclear energy on Earth. There are dangers to nuclear energy generation, or we would ...
40
votes
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 ...
19
votes
6answers
35k views

What would happen if electricity stopped working?

Blackouts happen all the time locally, but what would the implications of a world-wide, indefinite blackout be? Here is a spark from the fire of what could happen: (obviously) lights go out no air ...
22
votes
8answers
9k views

Metal Armour vs lightning strikes?

So I'm thinking about having my race of lightning wielding rabbits wear metal armour. The first one that came to mind was gold. And then a quick Google search later told me gold is one of the best ...
40
votes
7answers
11k views

I was thrown into the middle ages, how do I power my time machine?

I forgot to charge my time machine and now I'm sitting in medieval Europe and need to recharge the batteries. Luckily, those are only car batteries and not the old plutonium powered ones. What's the ...
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. ...
11
votes
3answers
2k views

How could an underwater civilization develop electricity?

Electricity pervades our daily lives, and makes possible a lot of technological achievements. Harnessing it helps the development of any civilization. The thing is, water - especially sea water - is a ...
25
votes
11answers
4k views

How would relatively cheap and abundant (but not free or limitless) electrical energy at an up-front cost impact society?

A group of scientists has been slaving away largely in obscurity for two decades, with very few publishable results. Suddenly, one of them has an epiphany, which turns out to be instrumental to ...
13
votes
9answers
5k views

What kind of event could stop electricity?

I know things like bombing the major power plants and things like that could temporarily stop electricity production, but I'm talking about changing the way it works. Like we can no longer use any ...
35
votes
7answers
8k views

How far can a time traveller go into the past before his electrical equipment becomes unchargeable?

My time traveller has a maybe 20-minutes-into-the-future smartphone and laptop. They can store large amounts of data, on the Petabytes level or higher. The time traveller can effectively store the ...
9
votes
4answers
4k 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 ...
26
votes
5answers
2k views

Solar flares: “the week the earth stood still”

I've been hearing and reading about that solar flare in 2012 that could have sent us back to the 18th century, by causing huge geomagnetic storms which would have prevented (every?) electricity-based ...
7
votes
6answers
1k views

Can you harness electricity without metal?

Can you make devices that produce and use electricity like power supplies, motors, light bulbs, etc. in a society without metal? Not just metal isn't in the device, you can't even use metal in the ...
6
votes
3answers
253 views

What would it take for a plant to produce electric shocks?

I'm designing an alien plant soecies that has evolved to produce electric shocks, as a way to keep insects away from it. My question is, how would it produce electricity in the first place? Also, ...
0
votes
3answers
425 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 ...
-1
votes
3answers
131 views

Organic solar power generators [closed]

After watching a scene in the Matrix where they had humans hooked up to produce electricity I wandered if this could be done at any level with living plants in the soil? All the examples online has ...
57
votes
12answers
12k views

Charging phone in medieval times

Let's say I somehow got transported to medieval times. I have my phone, laptop or other devices with rechargeable batteries, but I forgot to take my solar chargers. Luckily, my every device is powered ...
53
votes
10answers
11k views

Does my shipboard computer slow down as I approach light speed?

This question about time dilation got me thinking. The speed of an electron through copper is a whole heckofa lot slower than the speed of light, but if I understand the limits of relativity ...
16
votes
11answers
10k views

What production of power would be most efficient in a zombie apocalypse?

In a zombie apocalypse scenario, power is important. It charges your lights, powers your communication, along with the possibility of defensive use as in tasers and electric fences. Electricity can ...
18
votes
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 ...
16
votes
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 ...
12
votes
6answers
3k views

What would be the state of society without semiconductors? [closed]

So let's say that we never figure out how to purify silicon and germanium to the levels required to make transistors. This would readily happen in a technical culture that wanted clear and quick ...
10
votes
5answers
1k views

Arctic Airships, Part 1 - Generating Electricity

This is the first question in my Arctic Airships series of questions. The second one is Arctic Airships, Part 2 - Navigation. The premise: An Earth-like planet plunged into an ice age roughly 2,000 ...
12
votes
5answers
799 views

Lightning-Powered Renaissance Golem Army

The massive Golems are nearly impervious to harm. Thanks to the New Golem Army, the nascent Dutch Republic's castles and forts are now safe from harm. The century-long external threat has been finally ...
10
votes
2answers
285 views

Electric Universe: can an object be pinned at a solar pole with magnetic flux?

In an Electric Universe, where space is plasma soup and electromagnetism is the "magic" that can defeat the laws of physics, all stars are connected by invisible Birkland currents. Picture the rope ...
13
votes
6answers
2k views

Does the sun being blocked affect electricity?

I feel like this is the most noobish question ever. Anyway, imagine an asteroid hits Earth and the atmosphere is now full of particles, successfully blocking the Sun from Earth. There are people still ...
6
votes
2answers
284 views

Feasibility of electricity and interior lighting through early medieval technology, in my Medieval Fantasy universe? [duplicate]

QUESTIONS How could electricity be made feasible through early medieval technology? Could it capable of producing enough electricity to light a just a few rooms within a two-story building? Perhaps ...
3
votes
1answer
234 views

What would make Electric Airlines possible? [closed]

Let's face it: Fully electric car was total sci-fi just 15 years ago. And the fact that it could drive itself was totally unthinkable. With that in mind, lets talk about next logical step: What ...
3
votes
3answers
147 views

Could the sun reach a state that emits constant solar flares and CMEs?

Basically, I want to create an apocalyptic event that knocks out most electricity, for a long time, hundreds of years at least. Electronic devices that do work would be extremely rare, and people ...
2
votes
4answers
360 views

How broken would my jPhone be if I traveled back in time 24 hours?

I have a character who ends up jumping backwards in time by 24 hours. Essentially nothing else changes, but the character has their jPhone in their pocket at the time of the jump. How functional ...
6
votes
5answers
1k views

Modern technology during WW2, can it be powered safely?

Imagine someone from the modern day somehow gets transported back in time around the same time of WW2 without warning ahead of time. He has with him a laptop, graphing calculator (and a hand full of ...
6
votes
2answers
443 views

How could an organism produce energy from electricity?

So I've created this planet that's about 90% the size of Earth, orbits a binary yellow dwarf star and has an extremely electrified atmosphere. Cloud plumes coming from volcanoes contain various ...
4
votes
8answers
772 views

Power Drain Beams

In much of sci-fi we find examples "Power Draining Beams" and such the like. How feasible are these weapons? The weapon should drain power from the enemy ships systems in order to disable or disrupt ...
2
votes
4answers
289 views

An idea for a society's unique electricity and how it works

Currently starting on a story I long had in my head and small text files. I had this idea for electrical equipment (anything, from power drills to cars) which is controlled by inserting user hands ...
2
votes
2answers
132 views

Low Voltage Lightning and Alien Nitrogen

An alien world with a significant amount of tall metal trees allows lightning to occur at lower voltages than usual. How low could that voltage be pushed and still break apart Nitrogen molecules in ...
1
vote
2answers
837 views

How would civilization change without electricity? [duplicate]

Let's say that starting today, electricity "stops working" (I'd like to sort the details of that in a different question). The case is that somehow electricity can't be used anymore. How would ...
1
vote
4answers
428 views

What gases are made by a live, crackling, exposed electrical wire?

Are gases altered by live electricity, such as might be found along a humming electric fence? They could be formed directly or indirectly through effects on EM field, ionization, or hydrolysis - My ...
1
vote
0answers
77 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 ...
1
vote
0answers
105 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 ...
-6
votes
1answer
194 views

How could we produce electricity thanks to antimatter?

Imagine we had an easy way to produce antimatter, we could use it for interstellar travel, deadly weapons or more; but I've thought: How could we use it to produce electricity? As Antimatter ...