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Q&A

Posts tagged city

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Q&A Determining a Practical Bridge Design for a Wide River and Heavy Traffic

Hello everyone, I am thinking yet again about infrastructure. (my calendar project recently asked about... well, that's outside my expertise, I'll get back to that eventually) And I am thinking of...

2 answers  ·  posted 1y ago by Bianca_Railway‭  ·  last activity 12mo ago by dsr‭

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Q&A How could an underground city hide its existence for potentially thousands of years?

After the fall of the lizard empire, most of the lizard people fled to Node to avoid genocide (This is in the Lovecraft universe, racism is mandatory). In short order, this former bomb shelter beca...

3 answers  ·  posted 4y ago by Mephistopheles‭  ·  last activity 4y ago by Mephistopheles‭

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Q&A Minimal mass of an Earth-like satellite to seriously deter space travel?

I want to write a story taking place on the natural satellite of a gas giant, with said satellite being massive enough to prevent, or at least strongly deter, space travel, such that the resources ...

1 answer  ·  posted 4y ago by Udon Nomaneim‭  ·  last activity 4y ago by Udon Nomaneim‭

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Q&A A Mammal with Electrical Defenses

I'd like to create a land-based mammal that uses its electricity NOT for navigation or hunting, but only as a defense (enough to stun creatures approximately its own size or marginally larger, with...

1 answer  ·  posted 4y ago by user3556983‭  ·  last activity 4y ago by user3556983‭

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Q&A How would you design Turn-Signals on a Flying Car?

When designing a flying car intended for congested city routes with slow traffic, should turn signals indicate all possible directions. In most sci-fi, I've seen designs that have no turn-signals o...

4 answers  ·  posted 4y ago by Woodlum Hoodlum‭  ·  last activity 4y ago by Woodlum Hoodlum‭

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Q&A What would happen to Earth if the Oceans were electrocuted

If the earth's oceans were electrocuted (from the ocean floor), not worrying about how the energy is gotten to electrocute it, what would happen too everything in the ocean,( fish, algae, etc.) wha...

1 answer  ·  posted 4y ago by doctorspleens‭  ·  last activity 4y ago by doctorspleens‭

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Q&A 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 electri...

2 answers  ·  posted 5y ago by Algebraist‭  ·  last activity 4y ago by Algebraist‭

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Q&A Floor is lava, need answer

Imagine a tsunami of lava has flash-flooded cities. Oddly enough there weren't eruptions or earthquakes, just a sea of molten rock covering every inch of road, street pavement, what have you. Accor...

1 answer  ·  posted 4y ago by user6760‭  ·  last activity 4y ago by user6760‭

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Q&A 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 p...

2 answers  ·  posted 7y ago by Hyfnae‭  ·  last activity 4y ago by Hyfnae‭

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Q&A 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 ...

11 answers  ·  posted 6y ago by user6760‭  ·  last activity 4y ago by user6760‭

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Q&A 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 f...

5 answers  ·  posted 4y ago by Lilian Silva‭  ·  last activity 4y ago by Lilian Silva‭

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Q&A 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 suppo...

3 answers  ·  posted 4y ago by Chickenpeep Chickenpeep‭  ·  last activity 4y ago by Chickenpeep Chickenpeep‭

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Q&A 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 mov...

1 answer  ·  posted 5y ago by Marino Klisovich‭  ·  last activity 5y ago by Marino Klisovich‭

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Q&A 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 so...

1 answer  ·  posted 5y ago by Pyrania‭  ·  last activity 5y ago by Pyrania‭

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Q&A 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"...

1 answer  ·  posted 5y ago by Logan R. Kearsley‭  ·  last activity 5y ago by Logan R. Kearsley‭

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Q&A What is the best way to cause swarm intelligence to be destroyed?

In my story, there is a large group of humanoid clones that help the city function, doing mundane tasks such as cleaning and maintaining the city. Doing all of the minimum wage jobs and 95% of the...

4 answers  ·  posted 5y ago by Aylin‭  ·  last activity 5y ago by Aylin‭

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Q&A 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 under...

2 answers  ·  posted 5y ago by Ushumgallu‭  ·  last activity 5y ago by Ushumgallu‭

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Q&A 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 electr...

2 answers  ·  posted 5y ago by Anders Gustafson‭  ·  last activity 5y ago by Anders Gustafson‭

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Q&A Underwater city sanitation

In a vaguely Medieval setting with some limited magic, how would an underwater city handle sewage? Sanitation was one of the biggest limiting factors in the growth of human cities, and being under...

3 answers  ·  posted 5y ago by Overthinks‭  ·  last activity 5y ago by Overthinks‭

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Q&A What food production methods would allow a metropolis like New York to become self sufficient

In my overcrowded future setting the Hegemony (government of the Earth) wants to make the metropolises of the world self sufficient when it comes to food production. What farming/food production me...

17 answers  ·  posted 5y ago by Celestial Dragon Emperor‭  ·  last activity 5y ago by Celestial Dragon Emperor‭

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Q&A 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 sustai...

1 answer  ·  posted 5y ago by luis.espinal‭  ·  last activity 5y ago by luis.espinal‭

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Q&A What would the climate of a planetwide city be like?

Assume the entirety of Earth (all the land) is covered in a city. What would the climate be like in different parts of it? I.e., what would it be like on the coast, or inland? I imagine it would b...

5 answers  ·  posted 5y ago by V. Red‭  ·  last activity 5y ago by V. Red‭

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Q&A Would it be worthwhile to locate capital in high mountains on an exoplanet with higher atmospheric pressure?

Tech level: modern - like Atmospheric pressure at local sea level: Oxygen ~30 kPa Nitrogen ~180 kPa (So roughly counting 1.5 times more oxygen, 2.25 times more nitrogen) Technically speaking ...

1 answer  ·  posted 5y ago by Shadow1024‭  ·  last activity 5y ago by Shadow1024‭

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Q&A 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...

1 answer  ·  posted 5y ago by Pelinore‭  ·  last activity 5y ago by Pelinore‭

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Q&A 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...

2 answers  ·  posted 5y ago by Shadow1024‭  ·  last activity 5y ago by Shadow1024‭

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Q&A Calculating City Size based on Population

Question: I'm trying to determine how large (geographically) my city will have to be to accommodate for 1 million people. I have a city that was basically formed by the gods to be fertile land wit...

4 answers  ·  posted 5y ago by kentcdodds‭  ·  last activity 5y ago by kentcdodds‭

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Q&A City made of glass in a desert?

My world has a city of glass found along the outskirts of a desert. I decided on this because sand can become glass and so it was a huge resource that could be used for building. However, the conc...

18 answers  ·  posted 5y ago by Ril‭  ·  last activity 5y ago by Ril‭

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Q&A What are the architectural considerations when an underwater species builds a city?

I've got a species that lives in the Southern Ocean along the Antarctic coast, and they are basically a sentient crossbreed of Orca whales and elephant seals. They are omnivores, have opposeable th...

2 answers  ·  posted 5y ago by KeizerHarm‭  ·  last activity 5y ago by KeizerHarm‭

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Q&A 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 distrib...

1 answer  ·  posted 5y ago by Dom Dulley‭  ·  last activity 5y ago by Dom Dulley‭

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Q&A How long would it take for nuclear energy to become adopted in a world on the brink of collapse?

For reference, I'm going with the accepted answer given here: How would technology adoption of Lithium Air battery work?. In my world, it makes sense that governments would be very interested in ge...

1 answer  ·  posted 5y ago by Cuervo77‭  ·  last activity 5y ago by Cuervo77‭

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Q&A Plausible futuristic infrastructure for an underwater micronation built 300-500 feet below the surface

My story takes place hundreds of years in the future after global warming has made life at the surface uninhabitable for most life forms. What's left of mankind survived because it became popular t...

3 answers  ·  posted 5y ago by HR Allsop‭  ·  last activity 5y ago by HR Allsop‭

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Q&A Shatoum: The Granite Citadel

I have a location in my story, the design of which needs a reality check. City Description: As my ship cut across the waves a blurred grey smudge appeared in the distance, as the hours passed...

3 answers  ·  posted 6y ago by James‭  ·  last activity 5y ago by James‭

Question architecture city
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Q&A 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 ...

7 answers  ·  posted 5y ago by John S.‭  ·  last activity 5y ago by John S.‭

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Q&A 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 ele...

3 answers  ·  posted 5y ago by Peter A‭  ·  last activity 5y ago by Peter A‭

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Q&A 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? H...

5 answers  ·  posted 9y ago by Cygnus‭  ·  last activity 5y ago by Cygnus‭

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Q&A 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 mys...

3 answers  ·  posted 6y ago by Mike Nichols‭  ·  last activity 6y ago by Mike Nichols‭

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Q&A 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, c...

3 answers  ·  posted 6y ago by John Michailidis‭  ·  last activity 6y ago by John Michailidis‭

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Q&A How much electricity could an iron core moon passing over a copper deposit on a planet generate?

Assuming the moon is the same size as ours and its core is generating a magnetic field, and the copper deposits are quite large, consisting of a tectonic plate containing huge deposits of native co...

3 answers  ·  posted 6y ago by Clay Deitas‭  ·  last activity 6y ago by Clay Deitas‭

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Q&A Fantastic gas, part 1: could a gas be 'polluted', 'rarified', or otherwise react negatively to electricity, excluding methane-like explosions?

I previously asked a broad enough question about designing a fictional gas but it was advised by two users to split it into smaller questions. So here I am. The main property I want this gas to ha...

1 answer  ·  posted 6y ago by Virdex_‭  ·  last activity 6y ago by Virdex_‭

Question electricity gas city
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Q&A Storing 200TJ of Electricity for rapid discharge

Here's the problem I'm having. I need a solution for the following situation. I have a sci-fi starship drive that needs 140TJ of energy every 6 hours. I have a Fusion Reactor that can produce 200T...

2 answers  ·  posted 6y ago by Durakken‭  ·  last activity 6y ago by Durakken‭

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Q&A 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 politica...

2 answers  ·  posted 6y ago by user49466‭  ·  last activity 6y ago by user49466‭

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Q&A Would lightning strike a flying island?

Looking for someone with meteorology/physics knowledge to help with this one. Let's say I've got an island that floats in the sky--nothing special, these are a staple of fantasy these days. For ar...

3 answers  ·  posted 7y ago by DM Relenzo‭  ·  last activity 6y ago by DM Relenzo‭

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Q&A 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 ...

7 answers  ·  posted 9y ago by Eric‭  ·  last activity 6y ago by Eric‭

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Q&A 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...

4 answers  ·  posted 6y ago by Malcolm‭  ·  last activity 6y ago by Malcolm‭

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Q&A Would it be possible for a non-aquatic species to exhibit bioelectrogenesis?

This is my first post on these forums, sorry if I've accidentally overlooked any rules or etiquette. Please let me know if more detail is necessary or would be helpful. This question is about a spe...

1 answer  ·  posted 6y ago by merry‭  ·  last activity 6y ago by merry‭

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Q&A Why would we use direct current instead of alternating current?

What could be reasons to use direct current in the distribution of power? I know that it is more efficient to distribute current at high voltages to reduce heat loss and that it is easier to step ...

16 answers  ·  posted 6y ago by endofline‭  ·  last activity 6y ago by endofline‭

Question electricity city
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Q&A Can a biological creature detect and absorb electricity from power sources?

Is it possible (either through genetic engineering or evolution) for a biological creature to be able to detect and absorb electricity from power sources like batteries or other animals? I know th...

3 answers  ·  posted 6y ago by JTriptych‭  ·  last activity 6y ago by JTriptych‭

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Q&A Could a blimp be powered using thunderstorms?

Could a untethered blimp be built strong enough to with stand a thunderstorm? Could wind generators be placed on it to transfer turbulence of shifting wind into wind power? Rain could be collected...

2 answers  ·  posted 6y ago by Muze the good Troll.‭  ·  last activity 6y ago by Muze the good Troll.‭

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Q&A 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 corre...

10 answers  ·  posted 6y ago by JBH‭  ·  last activity 6y ago by JBH‭

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Q&A The Electric Dragon

The Volt Dragon is an incredibly dangerous beast that reeks havoc on any attempted air travel. This dragon generates many small but powerful magnetic fields whose strength can be varied voluntarily...

3 answers  ·  posted 6y ago by Nick‭  ·  last activity 6y ago by Nick‭