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Questions tagged [antimatter]

Questions regarding the use of antimatter, typically as a fuel for speculative high-performance engines.

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3 answers
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In Zero G, can excess heat be used propel a spaceship forward?

In Zero G, can excess heat be used propel a spaceship forward? I was looking for a similar answers online, and have bounced around a few places, I found this question, and it's responses thread useful ...
TheDayitwasWritten's user avatar
1 vote
1 answer
340 views

What color would the exhaust of an antimatter rocket be?

For the purpose of this question assume that the problems associated with antimatter drives have been solved. Let's say my spaceship is using a Matter-Antimatter rocket that reacts Antihydrogen with ...
NuclearTaco's user avatar
3 votes
2 answers
423 views

Solid Core Antimatter Engines: Do they have a point?

On the graph discussed in this question, I was surprised to see "antimatter" listed as one of the engine types... with a disappointing performance equal to solid-core nuclear thermal rockets....
ikrase's user avatar
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2 votes
2 answers
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Science Contest Topic (space exploration)

I'm thinking of entering the Breakthrough Junior Challenge. It is a global science video contest in which participants have to explain a hard science/math topic in a 3 min video. Right now I'm ...
AdiBak's user avatar
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5 votes
2 answers
3k views

What kind of antimatter engine is this?

I found this diagram while looking up diamagnetic machines. Could anyone explain what engine this is?
Muze's user avatar
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-1 votes
1 answer
582 views

Can we hit speed of light using Antimatter?

if we use Antimatter as method of propulsion is it possible to reach speed of light ?
Taher's user avatar
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3 votes
2 answers
3k views

Is antimatter feasable?

I've seen the company Positron Dynamics claim they have a potential solution to interstellar travel through their proposed antimatter propulsion system. More often then not these advanced propulsion ...
user21901's user avatar
4 votes
3 answers
1k views

What would be the dangers of matter/antimatter annihilation propulsion, and what can be done about them?

If a spacecraft was designed to propel itself using the annihilation of matter and antimatter, what potential dangers would this create and how could they be circumvented or at least prepared for? ...
Antonio Marmo's user avatar
2 votes
2 answers
212 views

Antimatter fuel compartment

Antimatter is theoretically an excellent fuel, providing large thrust/mass ratio and very efficient energy transfer. Therefore, we wouldn't need to use a lot of it to achieve similar thrusts that ...
Antonio Marmo's user avatar
6 votes
3 answers
538 views

What is our ability to capture or reflect photons with a wavelength of $2.5×10^{-12}$ meters?

Can we efficiently reflect or capture photons of that wavelength? More precisely, $ 2.426×10^{-12} $ meters, or $ 1.236 × 10^{20} Hz$ Preferably reflect, but capture followed by re-emission as ...
SF.'s user avatar
  • 55k
7 votes
2 answers
368 views

Recent advances in anti-matter generation

I was excited to read several articles about experiments generating anti-matter (production from gold or helium) at what seemed like a rather low energy cost. I thought anti-matter generation was the ...
Ofer Baratz's user avatar
5 votes
2 answers
3k views

Collecting antimatter from Van Allen radiation belts

I just read an article by John P. Millis, Ph.D which says that antimatter is created in the Van Allen radiation belts. I am writing a novel where a future starship with FTL capability, powered by a ...
Mike Tyler's user avatar
2 votes
0 answers
113 views

Shielding requirements for Antimatter drive

I am currently reading the heritage trilogy by William H. Keith, Jr, and one piece of technology got my attention. In these books, the advanced nations of the mid-21st century use thermal anti-matter ...
choeger's user avatar
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12 votes
1 answer
923 views

Can the Van Allen radiation belts serve any useful functions for space flight?

Most discussions of the Van Allen radiation belts focus on the necessity to shield sensitive electronics and biomass from radiation hazards. But are there any possible uses for this cache of highly ...
Jerard Puckett's user avatar
7 votes
1 answer
674 views

Could antimatter be used for spacecraft propulsion?

I have heard that antimatter has been produced and collected in the Large Hadron Collider and that it reacts violently with matter. Could this be used as a method of propulsion and if so what would be ...
matthew spear's user avatar