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Q&A

Posts tagged antimatter

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Q&A How could a bad random number generator explain baryon asymmetry?

How can a character explain baryon asymmetry (there is more matter than antimatter) by the universe being a simulation with a slightly imbalanced random number generator being employed at the point...

3 answers  ·  posted 8y ago by Konrad Höffner‭  ·  last activity 4y ago by HDE 226868‭

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Q&A Cons of Antimatter Weaponry

In the story I'm creating, a major weapon type of humanity will be Antimatter based weaponry. This is a fairly new technology, as antimatter production facilities have just reached the size and cap...

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

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Q&A Antimatter filled buckyballs - The energy storage medium of the future

Antimatter gets used a lot in SciFi due to it's mind-bending energy density. If you can store it in a form that requires no power and is at least mildly idiot-proof then you've just solved half of ...

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

Question antimatter energy
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Q&A How long and where could an antimatter object survive in space?

Are there any areas of space where an antimatter object, the size of a small house could survive without coming into contact with any or extremely minimal amounts of matter? I had assumed in all a...

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

Question space antimatter
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Q&A An anti matter planet behaving like a star

In your space journey your ship systems have spotted an unusual source of gamma rays: it's the size and the mass of a planet and it has a pulsating behaviour. Further observations shows that you ...

4 answers  ·  posted 7y ago by L.Dutch - Reinstate Monica‭  ·  last activity 4y ago by L.Dutch - Reinstate Monica‭

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Rigorous Science How fast does an antimatter bullet need to move to pierce rather than explode?

The environment is set in (ideal) space with no air for the bullet to interact with. It should encounter nothing until it reaches its target. The bullet is assumed to be a perfect sphere with a di...

9 answers  ·  posted 4y ago by John Zhau‭  ·  last activity 4y ago by John Zhau‭

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Q&A How would an antimatter reactor actually work?

In a far future, antimatter is used for energy storage: Huge space stations with powerful solar arrays orbit the sun a bit inside Mercurys orbit, using the energy to create small amounts of anti-hy...

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

Question antimatter
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Rigorous Science Would an antimatter bullet fired from a sniper rifle even reach its target?

Let's say our villain fires an antimatter rifle from behind a magnetic field over a km from the target. The bullet is traveling over 1000 meters per second. If it reaches its target, the 13 gram bu...

9 answers  ·  posted 4y ago by SurpriseDog‭  ·  last activity 4y ago by SurpriseDog‭

Question antimatter
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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 4y ago by Vogon Poet‭  ·  last activity 4y ago by Vogon Poet‭

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Q&A What would a life-form be like if it's antimatter-based

I've been thinking of the idea of creating and adding an alien species that's antimatter-based (being from a universe where antimatter became the majority instead of "normal matter"). However, I'm...

5 answers  ·  posted 4y ago by Caveknight32‭  ·  last activity 4y ago by Caveknight32‭

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Q&A Could anti-matter virtual particles be theoretically harvested from the quantum flux?

I was wondering if a vacuum created within a particular material in the shape of sphere could be used to harvest anti-matter from virtual particles? Within the vacuum, theoretically, virtual parti...

3 answers  ·  posted 4y ago by user69575‭  ·  last activity 4y ago by user69575‭

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Q&A Methods and Feasibility of Antimatter Mining?

Say 200-300 years in the future, humankind has colonized much of the solar system, using a combination of laser thermal drives and solid-core nuclear rockets (fusion never really panned out). Sudd...

9 answers  ·  posted 4y ago by Gryphon‭  ·  last activity 4y ago by Gryphon‭

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Q&A Antimatter internal combustion engine

I have an idea for an extremely crackpot engine design for a future society I may incorporate into my story. What would happen is individual antihydrogen molecules injected into the center of car...

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

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Q&A Feasibility of anti-matter as a fuel

Now, taking out the cost to produce/collect it, assume somehow we perfected a formula or find a natural source (because that is currently very prohibitive), how feasible would be to use antimatter ...

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

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Rigorous Science Feasibility of an Antimatter-Catalysed Ram Augmented Interstellar Rocket (AC-RAIR)

A fictional starship that I am designing functions via a form of Bussard ramjet that uses hydrogen from the interstellar medium as reaction mass, not as fuel. In order to accelerate the propellant...

1 answer  ·  posted 5y ago by Arkenstein XII‭  ·  last activity 5y ago by Arkenstein XII‭

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Q&A How can I destroy a planet with antimatter?

So I found the base of these pesky rebels on this planet and I am tasked with destroying the planet to eliminate the rebels once and for all. Unfortunately, my death star has malfunctioned and has ...

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

Question planets antimatter
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Rigorous Science Would one atom of antimatter be lethal if annihilated inside the brain?

I am dealing with a dystopian story that tries to come up with some kind of total surveillence or control from higher authorities. The authorities threaten to kill those who disobey them by simply...

6 answers  ·  posted 5y ago by Sebastian‭  ·  last activity 5y ago by Sebastian‭

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Q&A How much antimatter would we need in order to wipe out all humans, eradicate all animals and blow up the Earth?

Supposing we had many thousands of antimatter bombs (they can be detonated in many different locations), how much total antimatter would we need in order to wipe out all humans on Earth? Supposing...

8 answers  ·  posted 9y ago by BuildingBetterWorlds‭  ·  last activity 5y ago by BuildingBetterWorlds‭

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Q&A How to produce enough power to create a pair of proton-antiproton?

I've recently discovered something great: the Schwinger effect. It says that if you concentrate enough power thanks to laser into a single point in space, it will spawn a pair of proton and antipro...

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

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Q&A Manipulating decaying positron-emitting isotopes for positron "mining"

In a previous question, it was established that antimatter could be "mined" through positron-emitting isotopes. By gathering positrons from decaying positron-emitting isotopes (potassium-40 and al...

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

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Q&A 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 annih...

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

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Q&A What conditions could create a planet that has higher amounts of antimatter in its radiation belt?

In the science fiction setting I'm working on, one of the factions are supposed to be using naturally occurring antimatter because the systems they reside in have sufficient natural sources of it. ...

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

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Q&A Energy gain/loss of using synthesized antimatter as a fuel?

Setting aside concerns of containment for now; how much energy would it take to create antimatter? And how much of it would we get back using it as a fuel in a matter-antimatter reactor? What I'm ...

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

Question antimatter energy
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Q&A How do you communicate with antimatter beings?

So aliens have arrived in the solar system. They have faster-than-light travel technology and the ability to handwave away the supposed causality violations that such an invention causes They're ...

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

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Q&A Is it realistic to have a moon made of antimatter?

I have an idea for a Sci-Fi story that involves a planet with a third moon made entirely of antimatter, before I delve further into this concept, I would appreciate input on how to make this sci...

6 answers  ·  posted 6y ago by Stacey Heather Silverman‭  ·  last activity 6y ago by Stacey Heather Silverman‭

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Q&A Safely shooting antimatter

Lets say I have this nice gun which can shoot a certain amount of antimatter. After hearing answers about why that won't work, I added a magical coating to the projectile making sure the antimatter...

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

Question physics antimatter
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Q&A If we had easier access to antimatter, how could we use it?

Antimatter annihilation is the best source of energy per weight. However, antimatter is not readily available anywhere within reachable distance, it's insanely difficult to produce and contain. Ho...

4 answers  ·  posted 9y ago by vsz‭  ·  last activity 7y ago by vsz‭

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Rigorous Science Antimatter Storage

Is it possible to contain similarly charged particles in a magnetic field or traps, in generally large scale (say, all of them have positive charge), and could be utilized as power reserves quite e...

2 answers  ·  posted 9y ago by Hendrik Lie‭  ·  last activity 7y ago by Hendrik Lie‭

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Rigorous Science Accelerating a massive spaceship

How much wattage would you need to accelerate a four petaton spaceship by 1g for a year? This should be about enough to reach near light speed, which is perfect for interstellar cruising, but I'm w...

1 answer  ·  posted 7y ago by Z.Schroeder‭  ·  last activity 7y ago by Z.Schroeder‭

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Q&A How to make antimatter batteries safe

Assuming the wars of the far, far future aren't either fought exclusively by unmanned spacecraft/robots/drones or in ways so incomprehensible to us that comparisons are meaningless, the only foolpr...

4 answers  ·  posted 7y ago by Z.Schroeder‭  ·  last activity 7y ago by Z.Schroeder‭

Question antimatter
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Q&A Anti-matter containment

I've been looking into anti-matter and a relatively realistic way to contain it through gravity in my story. I'm probably incorrect in the theoretical physics of the idea but, I'm imagining that th...

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

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Q&A Could We Restart Mars's Core With Antimatter?

Forget about how we get it there, some kind of top secret experiment on mars gone wrong in all the right ways. If somehow Mars's core was mixed with some amount of antimatter, and assuming 100% of...

3 answers  ·  posted 7y ago by Xandar The Zenon‭  ·  last activity 7y ago by Xandar The Zenon‭

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Q&A If Earth was converted into energy by antimatter-matter collision would the energy "destroy" the observable universe?

If half the earth was made antimatter and contacted the other half all at once, would the resulting energy be enough to "destroy" the observable universe? I did some math based on the mass of the ...

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

Question antimatter earth
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Q&A Antimatter planet on normal matter star

Consideration For the sake of argument, please assume the following: The planet in question is around the size of Earth The planet may contain native intelligent life, artificially engineered Th...

3 answers  ·  posted 8y ago by Hendrik Lie‭  ·  last activity 8y ago by Hendrik Lie‭

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Rigorous Science A spacecraft the size of Apollo 11's lunar module, composed of antimatter, around a normal star

After writing this question, I came up with a new question. Consideration The considerations are mostly similar to the linked question (reading it is highly encouraged, as I am trying to post as...

1 answer  ·  posted 8y ago by Hendrik Lie‭  ·  last activity 8y ago by Hendrik Lie‭