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Q&A

Posts tagged magnetism

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Q&A What are the Ground Effects of the South Atlantic Anomaly?

I was recently introduced to the South Atlantic Anomaly. As I understand, for satellites and space craft, this is a natural feature that can wreck space craft by taking even computers designed fo...

0 answers  ·  posted 8mo ago by James McLellan‭  ·  edited 8mo ago by James McLellan‭

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Q&A Magnet strong enough to rip the iron out of your body feasible?

Is it possible, given a strong enough magnet, to rip out iron based molecules out of the blood stream/body of a person/animal? Would such an event be the thing that kills someone or are there other...

2 answers  ·  posted 2y ago by Cazadorro‭  ·  last activity 2y ago by DonielF‭

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Q&A How to discretely sustain a plasma life-form?

I have some plasma life forms that have evolved within the photosphere of a star and also capable of existing on a neutron star and the ergoshpere or accretion disk of a blackhole. This lifeform c...

3 answers  ·  posted 3y ago by RandySavage‭  ·  last activity 2y ago by RandySavage‭

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Q&A Could a creature using electromagnetic forces or something to do with ions fly?

This is a small arrow shaped creature that can fly without wings. Can it use electromagnetism to fly? Or maybe something to do with ions? Or however ufos are theorized to work? I'm not quite sure...

2 answers  ·  posted 2y ago by Chickenpeep Chickenpeep‭  ·  last activity 2y ago by Chickenpeep Chickenpeep‭

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Q&A Magnetic sail on rotating ship

I'm thinking about a design like this generation ship, which obviously has spin gravity. Would the fact that the ship is rotating affect the use of a magnetic sail? The magnetic sail as a sort of...

2 answers  ·  posted 3y ago by Adam Reynolds‭  ·  last activity 3y ago by Adam Reynolds‭

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Q&A Can magnetic fauna and flora on magnetic world knows gravity?

Imagine an Earth sized planet consists of only ferrous metals, the creatures living on the planet move around like a maglev train basically they interact with the world and among each other electro...

1 answer  ·  posted 3y ago by user6760‭  ·  last activity 3y ago by user6760‭

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Q&A How does an intelligent race which can only perceives microwave develops written language?

Imagine a race of humanoid alien living somewhere in the universe evolves weird sensory organ which can only picks up frequency of light ranging from 800MHz up to 2.5GHz which is in the microwave s...

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

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Q&A How would the strong magnetic field of a white dwarf affect humans inhabiting a planet that orbits such a star?

Magnetic white dwarfs (MWD) comprise almost 2 % of all white dwarfs and they are characterized by having a strong magnetic field, whose strength varies between 1 T and 100 kT. Compared to the Earth...

2 answers  ·  posted 3y ago by URIZEN‭  ·  last activity 3y ago by URIZEN‭

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Q&A Mesas of hard(solid) light

I searched the site and found answers saying hard light can't exist. Apparently in the three years since the last question was asked, scientists started making inroads on making solid light a reali...

1 answer  ·  posted 3y ago by Firelocke‭  ·  last activity 3y ago by Firelocke‭

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Q&A Would nanotechnology-scale devices be vulnerable to EMP?

For the purposes of this question, let's use the definition of nanotechnology from the tag wiki excerpt: "technology that works with sizes of less than 100 nanometres". An EMP can vary in frequenc...

2 answers  ·  posted 3y ago by Canina‭  ·  last activity 3y ago by Canina‭

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Q&A What would a darkness effect capable of blocking all electromagnetic radiation probably do?

(As of 2020, February, the 19th, 12:23, I have decided to use a different method than the one originally proposed. The method itself answers the question) Imagine a spell an effect of utterdarknes...

3 answers  ·  posted 3y ago by Davi‭  ·  last activity 3y ago by Davi‭

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Q&A How changing planetary ring affects the migration of terrestrial fauna?

Imagine a gas giant as massive as Jupiter has a enormous planetary ring which will expand and contract throughout its orbit around a main sequence star. Then there is a moon as massive as Mars an...

1 answer  ·  posted 3y ago by user6760‭  ·  last activity 3y ago by user6760‭

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Q&A could a robot fly with powerful enough electromagnets?

The robot in question is a large, worm-like mining robot built for digging tunnels. It has electromagnets positioned throughout the segments of its body, for the purpose of pulling metals out of th...

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

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Q&A How much of a star can be covered in starspots?

Many stars, including the Sun, periodically display starspots, cooler areas of the surface associated with higher local concentrations of the stellar magnetic field. They can sometimes be a couple ...

1 answer  ·  posted 3y ago by HDE 226868‭  ·  last activity 3y ago by HDE 226868‭

Question stars magnetism
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Q&A Can I improve internal combustion engine efficiency by slightly changing vacuum permittivity?

Energy released in an exothermic reaction depends on bond energies of reactants and products. Since molecular bonds are electric in nature, at the first glance, increasing Coulomb's force should in...

1 answer  ·  posted 3y ago by Alice‭  ·  last activity 3y ago by Alice‭

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Q&A Using Magnet Technology to Make a Rotating Space Station?

For an artificial gravity ring station, could you make a central hub, using similar magnet technology used to levitate magnet trains here on earth, to reduce the amount of mass rotating? My thought...

4 answers  ·  posted 3y ago by Greenie E. - Reinstate Monica‭  ·  last activity 3y ago by Greenie E. - Reinstate Monica‭

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Q&A What could make a star green?

Stars are never green. When a star's spectra "peaks" in the green range, it also releases a significant number of waves of the adjacent colors - so "green" stars appear yellow or white. I want ...

9 answers  ·  posted 6y ago by Zxyrra‭  ·  last activity 3y ago by Zxyrra‭

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Q&A How to protect oneself against strong magnetic fields?

Spacecraft in my Scifi setting use strong magnetic fields for many purposes. Fusion containment, magnetic nozzles, gauss guns, magnetic fields as pusher-plates for nuclear pulsed propulsion and def...

3 answers  ·  posted 3y ago by TheDyingOfLight‭  ·  last activity 3y ago by TheDyingOfLight‭

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Q&A How much antimatter can we theoretically hold in a Minimum Magnetic Field Trap?

I will be using solar antimatter production via Schwinger pair production like the VARIES project but I need to store it for bulk use. The containment will be a satellite orbiting the sun close eno...

0 answers  ·  posted 3y ago by Vogon Poet‭  ·  last activity 3y ago by Vogon Poet‭

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Q&A How much charge would destroy the world?

Someone invents a machine that creates electrons. It takes in some electrically neutral matter, and produces electrons of equal mass.1 Let's consider two quantities of negative charge: $q$ is the...

1 answer  ·  posted 7y ago by abcde‭  ·  last activity 3y ago by abcde‭

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Q&A Could a binary planet system have a shared magnetic field?

I want to have a two-world binary planet system where both have intelligent life, orbiting a single star. The two planets are assumed to be tidally locked to each other and orbit each other every 3...

1 answer  ·  posted 3y ago by user8840452‭  ·  last activity 3y ago by user8840452‭

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Q&A What Effect Does Moving the Magnetic Poles of a Planet Have?

On Earth the planet's magnetic poles line up fairly well with the geographic poles. This makes things like navigation very straightforward as all compasses point to (roughly) the north pole. How...

2 answers  ·  posted 8y ago by Liath‭  ·  last activity 3y ago by Liath‭

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Q&A Is it possible to use Magnetic refrigeration to cool down a sun probe, so that it could survive at least a few hours inside the photosphere?

The probe in my mind is unmanned, with a super-reflective surface to deflect most of the energy from the Sun on all wave length, only absorb enough to power its operation. Please also elaborate i...

1 answer  ·  posted 5y ago by A.Z.‭  ·  last activity 3y ago by A.Z.‭

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Q&A Can a planets magnetic field be strong enough to make floating continents?

I have a planet similar to Venus(similar size and atmosphere) that has floating continents in the atmosphere due to strong magnetic fields. If it is possible, what would the continents need to be m...

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

Question planets magnetism
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Q&A How could you build an artificial planet-sized magnetic field?

I'm conceiving of a world where humans can readily terraform worlds that were once considered "dead" due to the planet's magnetic field being long gone. In such a situation, what could humans do t...

1 answer  ·  posted 3y ago by Richard Boone‭  ·  last activity 3y ago by Richard Boone‭

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Q&A Technology to see an invisible being

I have a world where there are two types of beings. One type, let's call them X, exist in our "dimension," and the other, let's call them Y, exist in another "phase" or dimension. Only 10% of X b...

6 answers  ·  posted 3y ago by Shalon Sims‭  ·  last activity 3y ago by Shalon Sims‭

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Q&A If global radio communications systems are disrupted, what is the alternative?

An event has occurred several thousand kilometers from the surface of the Earth. Let's assume some sort of tear in the universe has appeared, from which extra-dimensional or exotic energy is pourin...

3 answers  ·  posted 3y ago by Red Robin‭  ·  last activity 3y ago by Red Robin‭

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Q&A Creating flying cities

Writing about suspended cities within a planet's atmosphere! The story itself focuses on the air forces that fight for each of the hundreds of floating city states living in the sky, but that's her...

7 answers  ·  posted 4y ago by StarHustler‭  ·  last activity 3y ago by StarHustler‭

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Q&A What would a realistic plasma shield look like?

A follow-up to my previous question-barrage: Properties of magnetically confined plasma shielding After some of the feedback, I'm splitting it into several smaller questions. In the world I'm b...

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

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Q&A How can an optical signal be converted into a mechanical/acoustic signal without using electricity?

There are several ways to directly convert acoustic/mechanic signals into optic signals (e.g. opening/closing a shutter, or the acousto-optic effect). Is there any way to do the reverse, without us...

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

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Q&A How do I give my planet a stronger magnetic field? Playing with variables

Let's say I have a terrestrial planet superficially like earth, except that it rotates much slower (about 10-15 days per rotation) and its atmosphere is ideally several times thicker. If I want thi...

2 answers  ·  posted 3y ago by n_bandit‭  ·  last activity 3y ago by n_bandit‭

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Q&A Is it possible to use a planet's magnetic field for transportation?

On a planet, a species uses magnets (i.e. float in the air) instead of wheels for transportation. Roads are easy enough, just slap some magnets in it, at it works. But I was wondering about the f...

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

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Q&A Complications of displaced core material?

If there were an absolutely terrible accident, and part of Earth's core was displaced toward the surface, making a bubble of liquid nickel and iron, what would be the major problems with this?

3 answers  ·  posted 3y ago by Greenie E. - Reinstate Monica‭  ·  last activity 3y ago by Greenie E. - Reinstate Monica‭

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Q&A Stable orbit around a magnetar

I'm working on a setting for an RPG, and I'm trying to build my planet so it's unique and interesting, but also semi-plausible. My question is, could you have a planet in stable orbit around a mag...

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

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Q&A How could a planet's magnetosphere fail?

I have a hypothetical world in the works and I have a rough idea of what it might be like. My idea is that the planet was life-supporting with a widely varied biosphere. The magnetosphere failed a...

4 answers  ·  posted 4y ago by MintySoftboi‭  ·  last activity 4y ago by MintySoftboi‭

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Q&A Can the human body hypothetically be magnetized/magnetically aligned?

I was thinking about how an MRI uses a strong magnetic field to align the spins of hydrogen atoms in the body. What I was wondering about was if the human body experienced a magnetic field much st...

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

Question biology magnetism
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Q&A How would a planetary ring react to a magnetic field?

So for the story I'm writing, I'm designing is a gas dwarf with a very strong magnetic field and a planetary ring with a slightly inclined orbit. However, the rocks within the ring are very sensiti...

2 answers  ·  posted 6y ago by Mattias‭  ·  last activity 4y ago by Mattias‭

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Q&A Can the Meissner effect explain very large floating structures?

James Cameron's Avatar featured floating mountains which stayed aloft due to the Meissner effect; they contained large quantities of the room-temperature superconductor unobtainium, which, due to t...

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

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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 4y ago by Pelinore‭  ·  last activity 4y ago by Pelinore‭

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Q&A Carrington Event Shield

If a nascent colony world can be wiped out by a geomagnetic storm on a scale similar to the Carrington Event, what could the colonists build either in space or on planet to protect their electronic...

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

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Q&A Is it possible to create light emitting creatures using selective breeding?

Suppose I take a group of alligators select the ones that emit the highest frequency of radiation (since all living creatures emit thermal radiation), and I breed those, and get rid of the rest and...

3 answers  ·  posted 4y ago by ѕняєє ѕιиgнι‭  ·  last activity 4y ago by ѕняєє ѕιиgнι‭

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Q&A Can magnetism be what causes my flat Earth to accelerate?

It has been determined by observation of the stars that the gravity on Flat Earth is due to it accelerating upwards at 1G. This is what holds people and objects to the surface. It has also been det...

6 answers  ·  posted 4y ago by chasly from UK‭  ·  last activity 4y ago by chasly from UK‭

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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 4y ago by John S.‭  ·  last activity 4y ago by John S.‭

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Q&A Landing Pad Using Lenz's Law

In my universe technology is advanced enough to have non-jet and non-rocket booster technology. For a disc shaped UFO all of the technology is crammed in the ship and there was no more room left ...

2 answers  ·  posted 4y ago by AdrienDaBoss‭  ·  last activity 4y ago by AdrienDaBoss‭

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Q&A What is the most powerful magnetic field a planet could generate?

What is the most powerful magnetic field that could be generated by a planetary object? The measurement of 'powerful' will be field strength ($\mathbf{B}$-field) at the planet's surface, in teslas....

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

Question planets magnetism
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Q&A Would interplanetary transmissions in the Wolf 359 star system be detectable by Earth?

Inspired by: How much electromagnetic transmission noise does Earth have to emit to be noticeable? Premise: Assume that the infamous Wolf 359 star system has one habitable planet and a second, hab...

2 answers  ·  posted 4y ago by JBH‭  ·  last activity 4y ago by JBH‭

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Q&A Could I use a series of magnetic asteroids to create a magnetic field for mars?

If I push a couple of magnetic asteroids into mars gravitational field, could they form an interlocking series of magnetic fields able to protect mars from solar winds? Size limits for asteroids ...

3 answers  ·  posted 4y ago by Clay Deitas‭  ·  last activity 4y ago by Clay Deitas‭

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Q&A What is a usable formula for determining the necessary strength of a planet's magnetic field for it to be habitable?

To my understanding, part of the reason life is able to exist on Earth besides its ozone layer is due to its magnetic field, which protects the planet and its life against solar winds and keeps the...

2 answers  ·  posted 4y ago by Pleiades‭  ·  last activity 4y ago by Pleiades‭

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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 4y ago by Clay Deitas‭  ·  last activity 4y ago by Clay Deitas‭

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Q&A Applications of Electromagnetism in "Force Fields"

Lengthy Explanation of Why I'm Here: TLDR; "force field" made of electromagnetic radiation. Recently, I've decided to compile a list of possible technologies available in the 22nd and 23rd centur...

4 answers  ·  posted 4y ago by The Eye‭  ·  last activity 4y ago by The Eye‭

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