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Will the ligthsaber someday exist?
Link | by chrno_21 on 2005-08-02 15:25:30
If we had found the way to concentrate the light in one point (laser) and even more, to make it coencentrated enough to destroy an ariplane, perhaps if we keep researching we will find the rigth materials and way to generate an intese light beam that woold look like a sword, and strong enough to pass trough everything and melt it.

Re: Will the ligthsaber someday exist?
Link | by EricSoLazy on 2005-08-02 17:21:33
but what would be the point, jedis dont exist you wouldnt be able to stop a bullet so its useless as a weapon, we have lasers that are used to cut metal.. and torches to let into doors, so a lightsabers use as a tool is already here.

WHOOOOOOOOOOOOOOOOOOOOO

Re: Will the ligthsaber someday exist?
Link | by baldy on 2005-08-02 17:26:37
Ah, but you miss the point. Lightsabers are COOL. Who cares if they're useless. It'd still be sweet to own one and be like, "Yo, foo's, lookit my pimpin' lightsaber, yo," or something crazy like that. ^^;;

Re: Will the ligthsaber someday exist?
Link | by darkknight932 on 2005-08-02 21:20:37
no, never possible becuase you can't halt light. The beams from all those light saber came from a source and then mysteriously halt at certain distance-----> not possible.

Re: Will the ligthsaber someday exist?
Link | by SaiQ on 2005-08-02 23:54:57
I don't see light sabers efficient at all. In this modern age of warfare, we rarely resort to hand to hand combat. However, a laser on the edge of a device could have some practical uses.

Re: Will the ligthsaber someday exist?
Link | by chrno_21 on 2005-08-03 09:48:20
Maybe the jedi will exist iun someday as the next steo of human evolution, possibly the force will not exist but the psychokinetic abilities will be a show of the evolution

Re: Will the ligthsaber someday exist?
Link | by FTY on 2005-08-03 15:42:39
hmm.. light sabers are quite impossible too cuz u need very sufficient energy source... sides if it were invented it wont be sold to citizens cuz its a dagerous device

Anime girls are Sexy.. Yes' Theyr'e sweet.. They Look so Tasty.. Hentai is wat i Eat..

Re: Will the ligthsaber someday exist?
Link | by reidash on 2005-08-03 18:41:34 (edited 2005-08-03 18:42:00)
Dude, after the apocalypse hits, and Yoda exists, and the world is begun anew, there will SO be Jedis!

ZETSUBOU SHITA!!!

Re: Will the ligthsaber someday exist?
Link | by Drango on 2005-08-04 10:20:30 (edited 2005-08-04 10:46:01)
You've still got the issue, as darkknight932 stated, of how to stop the beam at that cartain length.
And there is the issue of how you would power it as well...

The only close-combat beam weapon I can see as being possible is the one on Sword Strike Gundam.

http://gunpla-web.hp.infoseek.co.jp/image/hako/seed/1-100/seed-sword-strike-1-100-hako.jpg

"There is a reason for having wings that cannot fly, its a precious memory of when you once flew in the sky" -Yukito, Air

Re: Will the ligthsaber someday exist?
Link | by EricSoLazy on 2005-08-04 20:07:58
A biological creature being able to manipulate any of the fundemental forces to an exent to affect objects at a distance is near impossible, light sabers do exist, kinda, its called a plasma torch, a little adaptation of that already existing technogly could create a something very simlar to a lightsaber.

WHOOOOOOOOOOOOOOOOOOOOO

Re: Will the ligthsaber someday exist?
Link | by Sanada Yukimura on 2005-08-07 03:29:30
From a physics point of view, lightsabers or beamswords will not be possible (at least with today's technology). If the famous energy equation E=MC^2 is correct, and if you can make things 100% efficient (which is pretty impossible) the beam sword in a typical Gundam battle would require the entire Gundam's mass to turn into that energy.

Also it's pretty hard to restraint light in a small region of space for usage, unless we can full understand string theory (hyperthetically).

In the future, who knows?

Re: Will the ligthsaber someday exist?
Link | by DuckNick on 2005-08-07 10:25:26 (edited 2005-08-07 10:26:13)
Lol..Imagine if lightsabre was really became a war weapon...
When you go to war with your M-16 rifles or any machine gun..
You:"CHARGE!!!!!!!!*Firing your rifles like mad towards the enemy with lightsabre.."
And suddenly..u heard a sound *Woonggg!* and there..u see your body got cut into half as an enemy swing it behind u...SCARY! o_o..a knife or sword might not be that fatal..but a light sabre???...RIP man :p

*Gulp*Drown in songs *Gulp*

Re: Will the ligthsaber someday exist?
Link | by Drango on 2005-08-07 11:53:03
I wasnt thinking about that... all I was thinking is that the design of that particular sword would solve the issue of how to controll the length of the beam... But the issue of a sufficient power source still remains...

"There is a reason for having wings that cannot fly, its a precious memory of when you once flew in the sky" -Yukito, Air

Re: Will the ligthsaber someday exist?
Link | by on 2005-08-11 09:56:23 (edited 2005-08-11 09:57:45)
i think the closest thing we could get to a lightsaber is a very powerful acetylene torch, with the gas in a straight lightsaber handle, like the one in tenjou tenge. the gas "blade" would be hot enough to slice thru flesh and metal.

examples:
http://img89.imageshack.us/img89/2149/aehu70018yl.jpg
http://img89.imageshack.us/img89/2459/aetjtg111896bs.jpg
http://img89.imageshack.us/img89/5/aetjtg111908xj.jpg

Re: Will the ligthsaber someday exist?
Link | by yumeNOnaka on 2005-08-12 01:29:23
Foton in the Light energy couldnt be solid, if we try to make them solid and used for light saber, we must had enough energy to turn them on, but, light saber to small to put energy inside, so i think we need alot time to create light saber...

and last, for what we create light saber, i hate wars, i really hate if a new weapon that use hi tech destruct all of mankind.

       
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Re: Will the ligthsaber someday exist?
Link | by on 2005-08-12 09:45:45
ok... tell us something we don't know already. read the entire topic before posting. kthxbye.

Re: Will the ligthsaber someday exist?
Link | by andreyev on 2005-08-13 03:22:33 (edited 2005-08-13 03:23:42)
how do we create one?
light is a form of energy, how do we turn them into a solid thing? i know about the E=mc2 formula (it needs an enermous amount of energy to turn light into material) and how do we manage to limit the length of the ray?
if we could answer this question perhaps it is possible to create a light saber.

nowadays, laser is used to cut various things, it's similar to lightsaber, though in my opinion, it's not the same as lightsaber.

physics is just not my things.

God's in his heaven. All's right with the world.

Re: Will the ligthsaber someday exist?
Link | by animehuman on 2005-08-21 21:13:52
If it exists, the Japanese will invent it.

Re: Will the ligthsaber someday exist?
Link | by Mika-rin on 2005-08-24 16:27:17
Well they are creating a religion called the "Jedi" religion and yeah...it may be possible....but probably a long way from now and it would be like some light thing....get a thin light and poof you got a lughtsaber get like one of those neon or floursent lights

Re: Will the ligthsaber someday exist?
Link | by Seki on 2005-08-24 16:41:27
Well this article is a bit long and might be confusing but here's what a physicist have came up wif about making lightsabers a reality (though it's still all theoretical):

Lightsaber: Fact/Fiction?

According to astrophysicist Yakov Borisovich Zel'dovich, a rapidly spinning conductor will cause the creation of virtual particle radiation at its surface. Particle production is controlled by the charge, angular velocity (of rotation) and radius of this charged conductor.

If we imagine a rod shaped charged field of atomic-scale cross-section, which is superconducting and rotating at near-lightspeed, then charge regulation becomes the control for the particle emission type and quantity. Such charged fields would tend to repel one-another (if they are of like polarity), which means the blades would BLOCK one another. NOTE: a sabre would have to be built carefully and tuned correctly! A badly adjusted sabre would subject its user (and everyone in range) with considerable amounts of gamma radiation!.

The glow of the sabre blade consists of virtual-photons energised by the rotating field into real photons ... virtual light make real! The opaque 'thumb-thick' blade shape may be a swirl of ionised atmospheric particles (the AIR) drawn in and swirling about the core. When you IONISE a gas, you actually have a PLASMA (as it is meant by terrestrial physics) ... and this would glow JUST LIKE A FLUORESCENT TUBE (which is ALSO a plasma!) ... BUT this thumb-thick plasma zone is merely a by-product ... the REAL cutting is performed by minuscule core of the true blade ... leaving almost microscopically thin cuts. (The blade would STILL glow fiercely in even in a vacuum, as it throws off 'virtual photons - made real' ... but the thumb-thick core may not be visible.)

Such a tight rapidly spinning charged superconducting field would rend (tear) through most matter by stripping off electrons which bind atoms together. The ionized matter about the 'cut', as well as field-excited atomic movement in the localized area of the 'cut', would mimic great point-of-contact heat. A wound to a soft-tissue organic being would appear to be a microscopically thin BURN - and such a wound would usually tend to be cauterized (depending on how slowly the blade passed through - a large blood vessel cut too quickly may not be sufficiently 'burned' to cauterize). Dense metals which have loosely bound electrons (which are free to wander about their lattice structure) would be more resistant to cutting. The 'atom stripping' effect would take a little longer to cut through, because such materials have more electrons 'to spare' before their lattice structure becomes 'torn'.

Metals are also more highly conductive, and the localized 'heat' effects are minimized because the heat is carried away and dispersed through the material more quickly. This means that even though with varying amounts of effort, a lightsabre could cut through virtually anything, some materials would offer more resistance to a sabre blade, and therefore we can now understand how Lord Vader's armour was able to ward off most of Luke's glancing blow, saving his life. Mr Albert Forge has gone further, and has postulated a mechanism for the generation of the spinning field which creates the blade described above. Imagine a tiny sphere of unknown composition (perhaps some of the 'hypermatter' referred to in the SWICS & SWVD books by LFL's Dr Reynolds). Rapidly spin this into a disk by the effect of inducing fields (probably EM). The disk deformed and elongated into a tube, or rod (imagine the sleeve of a shirt being turned inside out) by an axially mounted and powerful electron gun (like the tube of your TV).

Field extension/retraction would be controlled by altering the output of the electron gun (which incidentally also controlled the charge of the conducting field ... the spin rate is determined by the inducing EM fields that created the disk from the sphere in the first place). 'Focussing' in this case may then be the very-rapid application of 'tuning' precession forces upon the extended field in order to 'follow' the orientation of the hilt, as left to itself it would tend to gyroscopically resist orientation changes. [NOTE: Mr Forge would like to say that all the above, which having its roots in 'real' physics, is speculative, and must be taken with "several solar masses of sodium chloride" *grin* ... IMHO however, it is a VASTLY more consistent and believable model than any other. It just 'could' possibly work! *AND* it matches ALL the observed and ascribed conditions!]

ADVANTAGES
it SPINS - matching my 'gyroscopic angular inertia' ideas (independently supported by the SWVD)
no 'plasma' or 'fuel' required other than raw power
the blade is PURE energy
the blade is opaque
there is a sensible 'focussing' (tuning) role for crystals which COULD see them able to adjust the colour!
the blades would block one another AND blaster bolts!
it hums it glows, even in a vacuum!
the cuts are microscopically thin it cuts by 'shearing away' the electrons in the substance, leaving a locally 'induced' heat-like reaction in other words: .. leaving burns & cauterized wounds! dense metallic surfaces with many stray electrons in their matrix would provide higher resistance to the 'electron stripping' cutting action ... thus Vader's armour stops the glancing blow from killing him!

Mr Forge has built upon the 'sabre/blaster relationship' idea (presented in Model Three above) using his 'virtual-light' model ... A question from Mr Doran Skalak about gravitic effects prompted me to ask an astrophysicist (Curtis Saxton) questions about high-speed rotations and relativistic effects: the following comments are my own attempts to explain what he told me, and I may have made any number of scientific errors ... In Model#6 there is a 'virtual' object ROTATING at the core of the blade .. a forcefield of almost zero mass (I assume) which has a NON-MECAHNICAL induced spin applied at near lightspeed [c] to achieve the Zeldovich effect as described above.

Apparently, objects moving at near 'c' WILL undergo the mass-effects predicted by Eientstein even if they have near zero mass ... because the equations effect ENERGY, and mass is merely one form of energy. As a result, the spinning blade will NOT ONLY undergo gyrospcopic resistance to changes in angular orientation (being waved around), but will ALSO suffer SOME DEGREE (unknown) of relativistic gravitic effects. In effect, the blade may acquire some 'virtual mass' - FROM the relative standpoint of the user. Further, these effects will produce a form of 'event horizon' effect at the boundary (not incompatable with Zeldovich's 'virtual light' predictions I assume) which you would expect could account for the noise, the glow and the terrible destructive capabilities of the 'light' blade. Sabres and Blasters related?

Now comes the REAL speculation! It was postulated in Model Three (Field contained plasmoids) that the Sabre beam may be related to the Blaster Bolt - as though the sabre were a 'static' gunshot, or more correctly, that the blaster bolt is a 'mobile sabre blade'. This is a fascinating idea, but it has a serious drawback ... there are instances in the films where damage is done BEFORE the visible part of the bolt arrives. the 'contained' model CANNOT explain this... BUT the 'virtual light' model CAN. *IF* Blasters and sabres originate from the same principle technology, then blasters MAY be such 'spinning fields' which can exist for a time on their own, and can be projected along a vector (ie: fired!). Such a 'bolt' would indeed leave a TRAIL OF LIGHT in its wake! The 'damage' may well be done BEFORE the visible part of the bolt arrives! Since a blaster is like a sabre, and since sabres block one-another, a sabre can block a blaster bolt! BUT this would be VERY VERY difficult to do because the sabre blade is so thin, and the blaster bolt so very fast! A Turbolaser may be a rotating field of larger diameter. Perhaps such larger fields would retain their coherence for longer (after leaving the emitter) and thus have greater range. If the field integrity decays beyond a certain point, its rapid rotation may cause it to 'explode' beyond a certain distance from the emitter. This would explain the 'flak bursts' observed in the film when some shots miss their targets. The asteroid hit by the Star Destroyer in TESB would first be 'drilled into' by the bolt, then exploded (vaporized in fact!) from within when the bolt's rotation collapsed - it would essentially have had its constituent atoms ripped apart from the inside out!

So yeah, there you go. And about the Jedi religion, dont think it's all about being like the Jedi in the movies. There is some element of the movies' idea in it but what you called the 'Jedi religion' which those who practice it calls "Jedi Realism" is beyond the idea of the movies. How do I know that? Coz I'm one of those who identifies wif it.

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