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Tobias Sjodin
Ore Mongers
BricK sQuAD.
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Posted - 2009.05.10 11:32:00 -
[1]
Edited by: Tobias Sjodin on 10/05/2009 11:32:54
Me and some friends were discussing the "shields" that ships use in many Science Fiction-movies, as in the aura of energy protecting a ship, and it's possible existence in the future. Now, few of us are knowledgeable in whatever field required to put such things into theory.
But is there a plausible theory whose application in practice we have not yet reached but would be theoretically possible... a field of energy that could stop physical objects and any energy passing through it (without getting destroyed or very diminished)?
How would it work? In all speculation.
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TimMc
Gallente
Brutal Deliverance
Blackguard Coalition
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Posted - 2009.05.10 14:31:00 -
[2]
If it was simple/technologically-possible enough that people on a forum would know, don't you think it would have been done?
All you are going to get is people waving their epeens, trying to look intelligent. History has shown its impossible to understand (or predict) technology 100 years distant to ourselves. We will just try to explain something in our own simple, inaccurate terms.
However, that in itself is entertaining... so continue!
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ReaperOfSly
Gallente
Zetsubou Corp
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Posted - 2009.05.10 15:58:00 -
[3]
Pretty much what he said.
The only "shields" I can think of being possible with our technology would probably kill everyone on board the ship as soon as it was switched on.
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goodby4u
Valor Inc.
Psychotic Tendencies.
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Posted - 2009.05.10 17:20:00 -
[4]
Edited by: goodby4u on 10/05/2009 17:22:01
Edited by: goodby4u on 10/05/2009 17:21:30
Linkage
At the moment I dont think we have a working energy shield but people are trying to make it possible.
Do I think its possible? In theory it seems possible, but I think its probably at the very least 50 years off if not even longer.
EDIT:Dangit this forum never lets that link work.... Hold on.
EDIT2:Top wiki link, thats the one I wanted to point out.
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Tobias Sjodin
Ore Mongers
BricK sQuAD.
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Posted - 2009.05.10 17:44:00 -
[5]
 Quote:
A University of Washington in Seattle group has been experimenting with using a bubble of charged plasma to surround a spacecraft, contained by a fine mesh of superconducting wire.[1] This would protect the spacecraft from interstellar radiation and some particles without needing physical shielding.
Likewise, Rutherford Appleton Laboratory is attempting to design an actual test satellite, which should orbit Earth with a charged plasma field around it.[2][3]
Workers at a 3M factory in South Carolina have encountered electrostatically-charged air that impeded movement, with the problem fixed by properly grounding the equipment causing the stray charges.[4]
So there is some progress after all. Interesting. Charged plasma and electrostatically charged air. Hmm, I wonder if any of these would stop a physical object from entering within it with some development.
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BlackDragonShadow
Caldari
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Posted - 2009.05.10 18:00:00 -
[6]
Lol that's what I love about science fiction. Some guy thinks about a cool idea like going to the moon. And then another guy makes it happen.
This sig was awesome but needs more EvE related content. - Mitnal
Fine. EVE Online |
Auron Truthseeker
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Posted - 2009.05.10 21:34:00 -
[7]
This seems very science fiction indeed, but I'll give it a scientific aproach sure 
These force fields are supposed to stop moving objects or energy, and the only way to alter an ojbects movement is by exerting a force.
This means that you would want to have a force that would be in a direction away from the movement, or at least to a side to take it out of its course.
The only practical force that I can see doing that is en EM field (or an elektric in general) however the only way that would work is if the thing you're trying to stop is either charged or polarized, and preferably quite strongly. This open possabilities to deflect things like light and strongly polarized matter.
This however does not work for neutral matter (or very weak polarized or charged like the former is) wich is not effected by electric forces. The only force I see working to deflect something like that is gravitational force, but that's both quite weak when regarding such a situation, and attract instead repulse.
And even then those force fields as often depicted seem to have all force focused on a certain boundary where nothing is supposed to pass. The forces I mentioned earlier do not have this characteristic, and instead cover an infinite area, it's strength depending on the range of the prjectile or whatever you're interested in. You'd need a very inpractical setup to make a layer of focused force
Lastly when thinking of such a shield pay in mind the third law of newton...somewhere the impuls of the projectile you're trying to stop will be transfered to the source of the force of the field you generate, so you'd need to cleverly divert that force and spread it thin so it can do no harm.
Anyway, sorry if I made a mistake, I wouldn't mind something prooving me wrong so we can all start working on forcefield technology 
Sorry if I'm mistaken,
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Terig
Minmatar
Bene Gesserit ChapterHouse
Quantum Star Alliance
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Posted - 2009.05.10 22:52:00 -
[8]
I think what your really asking for, is a good sci-fi book to read.
I would suggest "Mote in Gods eye" its got a shield that makes you think maybe it could work :)
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There is no such thing as a stupid question, only stupid people. |
Ruze Ahkor'Murkon
Amarr
No Applicable Corporation
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Posted - 2009.05.10 23:09:00 -
[9]
Originally by: BlackDragonShadow
Lol that's what I love about science fiction. Some guy thinks about a cool idea like going to the moon. And then another guy makes it happen.
Heheheh ... the old argument that we don't know what is possible until we dream it up?
Jules Verne had a lot of crazy, wacky, no-possible-way ideas in his writings. What has time and human ingenuity taught us? That many of the scientists at the time who said, who even 'proved', that it was all daydreaming and lullabies ... were wrong.
The greatest scientists always seem to work off the principle of 'best guess'. Even Einstein was pretty adamant that all of his rules and proofs and theories were still based on limited data. Just waiting for new information to prove them wrong.
Posts by Ruze Ahkor'Murkon and Ruze |
Lord Windu
Amarr
Legio V Fidelus
Fidelas Constans
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Posted - 2009.05.10 23:19:00 -
[10]
Well if mobile phones and telecomm masts supposedly increase a persons risk to getting cancer, I would hate to think what a shield would do to me 
☺ A Kirra Liu Presentation. Will give cyber for GTC ☺ |
Xen Gin
Solar Excavations Ultd.
Black Sun Alliance
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Posted - 2009.05.10 23:35:00 -
[11]
Originally by: Lord Windu
Well if mobile phones and telecomm masts supposedly increase a persons risk to getting cancer, I would hate to think what a shield would do to me
Well, only if we want to cook or talk to the object that hits the shield.
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Blane Xero
Amarr
The Firestorm Cartel
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Posted - 2009.05.11 07:22:00 -
[12]
Todays science fiction is tomorrow's science fact.
______________________________________________
Haruhiist since December 2008
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F'nog
Amarr
Celestial Horizon Corp.
I.C.C Industrial Drive Yards
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Posted - 2009.05.11 08:36:00 -
[13]
Originally by: Terig
I think what your really asking for, is a good sci-fi book to read.
I would suggest "Mote in Gods eye" its got a shield that makes you think maybe it could work :)
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Awesome book. I really need to get around to reading the sequel.
I think the first application of shielding technology will be to impede the object in order to minimize the impact. Maybe later we'll move on to deflecting it off at an angle rather than absorb or reflect it as in most sci-fi. But that probably won't be for centuries.
Originally by: Kazuma Saruwatari
F'nog for Amarr Emperor. Nuff said
Originally by: Chribba
Go F'nog! You're a hero! Not a Zero! /me bows
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Sniper Wolf18
Gallente
A Pretty Pony Princess
General Tso's Alliance
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Posted - 2009.05.11 10:37:00 -
[14]
Originally by: Lord Windu
Well if mobile phones and telecomm masts supposedly increase a persons risk to getting cancer, I would hate to think what a shield would do to me
I thought they increased the risk of cancer indirectly, as they trapped radon gas around them with the magnetic field.
On the topic of shields, all you need is somthing hot enough to vaporise anything (or almost anything) then you have a deflector shield. Seeing as space is a vacuum, the majority of the heat (except IR) would have nowhere to go.
And to finish, thank you for reading my sig
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If you are still reading i would probably hav posted by now |
Terig
Minmatar
Bene Gesserit ChapterHouse
Quantum Star Alliance
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Posted - 2009.05.11 12:31:00 -
[15]
There is a short story by the authors of "mote in gods eye" called "Reflex" which is a good read. Shows how a space fight could go in close quarters. It's set just before mote in gods eye starts. MacArthur vs Defiant.
There is no such thing as a stupid question, only stupid people. |
TimMc
Gallente
Brutal Deliverance
Blackguard Coalition
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Posted - 2009.05.11 12:45:00 -
[16]
Originally by: Lord Windu
Well if mobile phones and telecomm masts supposedly increase a persons risk to getting cancer, I would hate to think what a shield would do to me
What about that gravity plating every spaceship seems to have?
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Kelly Dataminer
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Posted - 2009.05.11 14:03:00 -
[17]
Particle projection technology. The "bubble" would be a field of atomic particles which are somehow projected and retracted along bubble seems at high speed. Would work against kinetic particles since they would be impacting against something with mass moving at super speeds. Would work against laser beams as the mass would disperse the beam at least partially.
Ok, enough fake brainstorming.
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Xen Gin
Solar Excavations Ultd.
Black Sun Alliance
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Posted - 2009.05.11 14:09:00 -
[18]
Edited by: Xen Gin on 11/05/2009 14:09:47
I think the closest shield theory being worked on, is using plasma between two magnetic fields, anything entering the plasma is incinerated.
I'll have to find the article somewhere.
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Deviana Sevidon
Gallente
Panta-Rhei
Guardian Federation
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Posted - 2009.05.11 14:22:00 -
[19]
Another idea might be Gravity itself. If it would be possible to create artificial Gravity or Anti-Gravity it might be possible to use it as a Propulsion for Spacecraft which could be much more efficient then chemical or nuclear rockets.
The ability to create a artificial gravity could even being used as a kind of shield, because matter and energy is simply deflected by a wave of gravity.
Quote:
Disclaimer: All mentioned above contains my opinion and is therefore an absolute truth (for me anyway, my universe, muhahaha.....ok, done
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Wendat Huron
Stellar Solutions
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Posted - 2009.05.11 14:37:00 -
[20]
How about something repelling certain particles from the ship and those ending up condensed at the outer rim of the repulsion acting as a shield in absorbing anything coming in?
Not exactly the ship producing a shield but using undesirable matter to act as one.
Delenda est achura. |
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