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Q&A

Posts tagged magnetism

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Q&A Reasons why air travel isn't feasible, but ground travel is?

My story takes place on an Earth-like, inhabited world that is far larger than Earth, has roughly 110% of Earth's gravity, and has unusually high (and generally unexplained) EM emissions permeating...

21 answers  ·  posted 6y ago by Brian Lacy‭  ·  last activity 5y ago by Brian Lacy‭

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Q&A Could a species develop the tech necessary to land on their own moon without comprehending light?

Inspired by a brief comment converstaion found here. I would like to investigate the design and development of an alien species whose technological development did not include an understanding of ...

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

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Q&A How might an advanced civilization separate astronomical amounts of Magnesium Ions from astronomical amounts Oxygen Ions?

An advanced civilization collects enough Magnesium and Oxygen, from all over the Galaxy, to equal the mass of a star, and then reacts the Magnesium and Oxygen to produce Magnesium Oxide. The civil...

1 answer  ·  posted 5y ago by Anders Gustafson‭  ·  last activity 5y ago by Anders Gustafson‭

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Q&A How might a civilization artificially keep a supermassive black hole electrically charged for the lifetime of the black hole?

A civilization creates a supermassive black hole with an electric charge such that the radius of its inner horizon is 3/4 the radius of its outer horizon. In nature, a black hole with this much el...

1 answer  ·  posted 6y ago by Anders Gustafson‭  ·  last activity 6y ago by Anders Gustafson‭

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Rigorous Science Could I put a large city into geostationary orbit?

I want to put a circular city in geostationary orbit. The city will have a radius of 20Km. I was thinking of using quantum trapping/levitation to achieve this. Here's what quantum trapping is: ...

2 answers  ·  posted 6y ago by The Last Remnant‭  ·  last activity 6y ago by The Last Remnant‭

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Q&A How could a technological society exploit an absurdly strong, permanent magnetic field?

In a previous question on this site I asked about the side effects of a having ludicrously strong, permanent, static magnetic field on the surface of a planet, capable of pulling in non-magnetized ...

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

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Q&A What could make a star violet?

Part of a series I'm starting since the recent What could make a star green? did quite well and others could use the information here in their worlds. There aren't any "violet" stars. When a ...

4 answers  ·  posted 7y ago by Zxyrra‭  ·  last activity 6y ago by Zxyrra‭

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Q&A Orbital Mass Accelerator. Space Elevator

Can two objects solar powered, equal in weight, traveling on the same orbital path in the opposite directions propel each other to intersect on the opposite side of the Earth in alignment to propel...

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

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Q&A What would happen if magnets stopped working?

I asked a similar question earlier: What would happen if electricity stopped working?. But I was also thinking about what would happen if magnets stopped working. This question is very related to w...

10 answers  ·  posted 8y ago by AMACB‭  ·  last activity 6y ago by AMACB‭

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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

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Q&A What sort of forces can be expected in the sudden stop of a rotating space station ring?

This is a bit hard for me to put into to words, but it is an idea I have been working on for a few days, with input from a few other people. I have actually brought up part of this in a previous qu...

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

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Q&A Could soft matter infused with nano or pico sized magnets be used to clump together so that we could create environments with it?

I am trying to create a planet with low gravity that keeps an atmosphere and has an ocean that covers the whole planet. Basically I am developing beings (separately from this question) who can live...

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

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Q&A Can extremely powerful geomagnetic storms be made plausible on an otherwise Earth-like world?

I've been playing with ways to make my world interesting, and also further justify the limited use of ferrous metals. One idea I had was that my world might undergo regular and intense geomagnetic ...

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

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Q&A If all the iron and nickel in the inner core was transmuted into gold over two weeks

If some kind of insane wizard began a ritual that would turn the inner core of the earth into gold, what would happen? Over the course of 15 days, the entirety of the core will become gold. Each ...

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

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Q&A Could a solar flare create terrestrial areas of background radiation?

Inspired by this question from yesterday. Solar flares can give off a large amount of radiation, but on Earth this is typically absorbed before it reaches anywhere but the poles, and even then on...

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

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Q&A Inducing a Solar Flare

Is there a way to induce a solar flare / coronal mass ejection (CME)? For instance, could a very tight glob of charged particles reconfigure the the Sun's corona leading to this type of event? Is ...

3 answers  ·  posted 6y ago by Englishman Bob‭  ·  last activity 6y ago by Englishman Bob‭

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Q&A How would two generational ships traveling at point eight cee communicate with each other?

In my story, I have two huge generation ships racing each other to another star system. Assume they are on an exactly parallel path, neck-and-neck, about one astronomical unit apart. They are trave...

4 answers  ·  posted 6y ago by Justin Thyme‭  ·  last activity 6y ago by Justin Thyme‭

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Q&A Could plant life evolve on a world with a toroidal magnetic field?

Let us assume that my new world has within its rings, shells, and blobs of remarkably cool magnetically-involved stuff such that its magnetic field is toroidal (shaped like a donut) rather than sph...

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

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Q&A Would a magnetic monopole rocket engine produce more energy than an ion engine?

Would a starship that was propelled by magnetic monopoles fly faster and longer than ion engines (assuming magnetic monopoles exist) of course.

1 answer  ·  posted 6y ago by user73829‭  ·  last activity 6y ago by user73829‭

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Q&A Using magnetic fields to prevent a weaponized warp drive?

I've been thinking of ways that an FTL-capable galaxy would prevent weaponized FTL missiles. Ignoring causality violations and paradoxes, I'm looking for a way to keep something based on an Alcubi...

8 answers  ·  posted 6y ago by Arvex‭  ·  last activity 6y ago by Arvex‭

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Q&A Creating a large electromagnetic field that prevents electronics from working

Would it be possible to create a constant EM field that disrupts electronics within it in a similar manner to the way an EMP from a nuclear blast does? Or would it be possible to have a planet wh...

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

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Q&A How does an O'Neill cylinder generate its own magnetic field?

The purpose of a magnetic field is to shield against solar winds, which are relativistic ions produced by our Sun. This is a typical O'Neill cylinder with 4 islands. I'm looking for a cost effectiv...

3 answers  ·  posted 6y ago by user6760‭  ·  last activity 6y ago by user6760‭

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Q&A What conditions would cause electricity to create carbon monoxide?

I've been mulling whether the local gaseous makeup of air is changed by electricity running along a wire. My previous question is on hold, and this one is different anyway. I couldn't find exactl...

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

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Q&A How do passive, toggleable magnetic clamps function?

See, I'm a low-g cargo shipper by trade. We get all sorts of containers in all kinds of shapes that we need to fasten to the deck plating, and to do that we use magnetic clamps. Now, these clamps ...

3 answers  ·  posted 6y ago by Joe Bloggs‭  ·  last activity 6y ago by Joe Bloggs‭

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Q&A Would using Magnetic Coil Platforms be an effective way to transport people across Solar Systems

QUESTION So recently I was doing research on Magnetic Coil based weaponry in the Halo universe, and while reading about how the "Super Mac" worked, I noticed that the theoretical speeds at which t...

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

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Q&A Is magnetic telepathy possible?

So I have a story about humans far off in the future on a different planet that have evolved to be more in tune with electromagnetism and magnetism. Their technology mostly works because of magneti...

2 answers  ·  posted 7y ago by X_Wera‭  ·  last activity 6y ago by X_Wera‭

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Q&A What happens to asteroids when heated into a plasma?

I'm looking to build a scientifically plausible mining laser for my science fiction setting. The first approach that came to mind was a high-power laser that heats the surface asteroid until it bec...

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

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Q&A What can temporarily disrupt Earth's magnetosphere?

I'm trying to find some type of space weather or other natural occurrences that would result in the intensity of Earth's magnetic field dropping for a few hours to maybe a week or two at most. Pola...

2 answers  ·  posted 6y ago by C. Hess‭  ·  last activity 6y ago by C. Hess‭

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Q&A Could a species evolve a special organ that stores pure energy & allows it to control its own magnetic field?

Could a species, over centuries of evolution, evolve a special organ that stores pure energy and allows it to control its own magnetic field? What possible steps would have to happen for this to oc...

1 answer  ·  posted 6y ago by Jacob wools‭  ·  last activity 6y ago by Jacob wools‭

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Q&A The Moon has a magnetic field instead of the Earth; what are the changes in navigation?

I'm curious as to what the implications to any navigation system are: ship trekking aviation etc. Will their compass change shape (as being spherical), or might they dump the compass alltogeth...

5 answers  ·  posted 7y ago by Vylix‭  ·  last activity 7y ago by Vylix‭

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Q&A Effects of powerful superconducting rings on humans?

I recently came across this paper detailing a plan to use 12 superconducting rings around earth to strengthen our magnetic field. I'm planning on using this same idea for my own worldbuilding. An ...

2 answers  ·  posted 7y ago by NathanR‭  ·  last activity 7y ago by NathanR‭

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Q&A What are the specific effects of an EMP on electronics?

Within the next decade or two, Earth is attacked by an alien fleet. The various militaries have some forewarning and are able to destroy the attackers by launching most of their nuclear arsenal at ...

2 answers  ·  posted 7y ago by The Dark Canuck‭  ·  last activity 7y ago by The Dark Canuck‭

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Q&A Effective way to recreate a magnetosphere on Mars with current technology

Our Earth and Venus each keep a thick atmosphere because of a magnetosphere. Most terraforming scenarios of Mars involve transferring water and other gases from the ground to the atmosphere. We no...

3 answers  ·  posted 8y ago by user2284570‭  ·  last activity 7y ago by user2284570‭

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Q&A Can a cube world have magnetic poles?

Say that you have a cuboid "planet" that can retain its shape. Can it have a cubical iron core (as opposed to the spherical one described in this question) and generate a magnetic field? Would the ...

3 answers  ·  posted 7y ago by System‭  ·  last activity 7y ago by System‭

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Q&A Could a giant battery serve double duty as a sadistic acid bath?

Setting: In a fantasy setting much like World of Warcraft (where huge liberties are taken regarding the level of technological sophistication), an evil emperor rules from a castle in which there ar...

2 answers  ·  posted 7y ago by Aldaine‭  ·  last activity 7y ago by Aldaine‭

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Q&A Can this unique planet be colonized?

In the story I'm writing, a gas dwarf (named Eden) is discovered in a triple star system. Its atmosphere is mainly oxygen and water based, and its gravity is slightly higher than Earth's. Unlike o...

4 answers  ·  posted 8y ago by Mattias‭  ·  last activity 7y ago by Mattias‭

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Q&A What if we can feel magnetic field?

Suppose human being evolved a special type of sensory organ that can detect Earth's magnetic field, beside discarding compass when hiking what else can we benefit from this extrasensory gift in the...

6 answers  ·  posted 9y ago by user6760‭  ·  last activity 7y ago by user6760‭

Question magnetism senses
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Q&A Energy Transfer Through Space Without Adverse Affects

Perpetual motion doesn't exist... or does it? In space planets continuously spin around stars for trillions of years due to inertia and gravity balancing each other out. What if a race of brilliant...

5 answers  ·  posted 7y ago by mkinson‭  ·  last activity 7y ago by mkinson‭

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Q&A "Shields at 10% one more hit and..." What?

How do force field work in many sci fi fictional universes? I remembered the last time I checked the strength of the electromagnetic field a.k.a force field is proportional to the power output from...

14 answers  ·  posted 7y ago by user6760‭  ·  last activity 7y ago by user6760‭

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Q&A Astronaut magnetic "gravity" injections

Would it be possible to somehow inject astronauts cells with safe amounts of magnetic metals, or use some sort of magnetic properties, to hold them down to a space station floor with magnets?

5 answers  ·  posted 7y ago by totally not rick sanchez‭  ·  last activity 7y ago by totally not rick sanchez‭

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Q&A Can we identify distinct "colors" beyond visible light?

Let's talk about the visible light "rainbow" In almost all depictions of the electromagnetic spectrum, visible light is shown as a rainbow, and adjacent parts of the spectrum are monotone in color...

3 answers  ·  posted 7y ago by Zxyrra‭  ·  last activity 7y ago by Zxyrra‭

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Q&A Under what circumstances will magnetic levitation kill Average Joe?

After the WorldBuilding community helped Average Joe start his own microstate, Joe has become scientifically inclined, and uses his money to conduct somewhat dangerous research projects from...

2 answers  ·  posted 7y ago by Zxyrra‭  ·  last activity 7y ago by Zxyrra‭

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Q&A Holding in an atmosphere primarily using a magnetic field

Assuming it was possible to create an artificial magnetic shield on the moon, would it be possible that a sufficiently powerful field could hold onto an atmosphere despite the low gravity. Thanks

4 answers  ·  posted 7y ago by rclev‭  ·  last activity 7y ago by rclev‭

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Q&A Creating a stable split earth

So having read a couple of other questions on here, and postulating over this for a while, here's my question. Is it possible to have two magnetars in a distant binary orbit, with an earthlike pla...

4 answers  ·  posted 8y ago by nightninja‭  ·  last activity 7y ago by nightninja‭

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Q&A Could exoplanet with Earth's magnetic field orbiting a binary star system harbour intelligent life?

The binary stars system is comprises of a red giant with 6 solar masses and a Sun-like star, the exoplanet is orbiting in the Goldilock's zone with a molten iron core which generate a magnetic fiel...

3 answers  ·  posted 7y ago by user6760‭  ·  last activity 7y ago by user6760‭

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Q&A A planetary dynamo

Is it possible for a planet and moon to generate electricity in some way? Could a combination of magnetic fields and iron content in the crust or core produce electromagnetic induction due to the r...

3 answers  ·  posted 7y ago by Aric‭  ·  last activity 7y ago by Aric‭

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Q&A Would my compass still work?

Imagine a world with a very wacky magnetic field, the magnetic poles are not aligned at the top of the axial tilt and the sun is active enough to cause huge northern lights each night. I know elec...

2 answers  ·  posted 9y ago by Liath‭  ·  last activity 7y ago by Liath‭

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Q&A Magnetic Based Lifeforms

It's typically regarded that life needs liquids of some kind to evolve. But liquid is just a state where molecules can move around freely in order to interact with other molecules instead of being...

1 answer  ·  posted 9y ago by Sam Washburn‭  ·  last activity 8y ago by Sam Washburn‭

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Q&A Is the world shift theory plausible or not?

This theory, what I call the world shift theory, states that the Earth's original orbit was solar stationary at one of its poles constantly facing the Sun, building, over time, the magnetic poles. ...

2 answers  ·  posted 8y ago by Firobug‭  ·  last activity 8y ago by Firobug‭

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Q&A Could a planet have a core of anything other than iron?

Specifically, I was wondering if a core of magnitite or some such other magnetic metal could be a planet's core. This is in relation to my other question, found here: Can airborne floating/flying...

3 answers  ·  posted 8y ago by Mr. Question‭  ·  last activity 8y ago by Mr. Question‭