Lightsabres #3 -1 reply

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WJTW

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25th December 2002

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#1 15 years ago

Here's my third thread regarding lightsabres.

You know that in JK2, lightsabres emit, well, light on the ground and ceiling (if low enough.)

However, the movies' sabres do not seem to light up the ground. One particular picture of two Jedis fighting in a desert like environment, and the sand had no color.

Secondly, the sabres would have no reflections. Surely it should have one, right? Maybe I didn't see this clearly.

If these mistakes were in the old movies, I would accept it. But hey, even the first 2 episodes had this mistakes. Surely technology would make it possible!

Why?

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young Obi-Wan

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#2 15 years ago
However, the movies' sabres do not seem to light up the ground. One particular picture of two Jedis fighting in a desert like environment, and the sand had no color.

I think the lights on the ground are too bright in JO. Lightsabers are not as bright glowing as to color the ground... So it should only shine like that in dark rooms... btw in JK2 ground and ceiling are colored but why not the walls?




young Obi-Wan

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#3 15 years ago

btw where is your second treat about lightsabers? I read your first one but I didn't see your second one anywhere.




WJTW

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#4 15 years ago

It was about lightsabre's sharpness... didn't title it as 'Lightsabre #2', though.

Anyway, the Lightsabres in JK2 did lightup the walls. But this does not seem to happen frequently.

But what about reflections? Surely there should be reflections.

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Arric

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#5 15 years ago

I think it would depend on how much "light" a lightsaber actually emits. Let's think about this scientifically for a moment. If the blade is indeed light, which is to say photons, then any light escaping from the blade to light the surroundings would be wasted energy, energy that's going into a useless purpose and not into damaging your opponent. If the blade emits enough light to reflect off of a mostly non-reflective surface (which are most surfaces we see in Star Wars movies and games) then there is a LOT of wasted photons. This would suggest, in turn, that the lightsaber's power cell would wear out it's charge too quickly, and possibly be less "structutally" stable. If the photons that should make up the blade are instead richocheting around the room creating light, then the blade is "weaker" then it should be, perhaps not blocking or cutting as well as it should, and possibly even allowing the laser light from blaster bolts to partially or completely penetrate the blade.

I hope that all made sense. And if there are any REAL scientists on the board, let me know what you think. This all based on my limited understanding of High School physics.




WJTW

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#6 15 years ago

Lightsabre's blades is not really light. It is pure energy. It just happen to give off light, I think. The light itself is not the thing that cuts through things. This is just like the way a 'bar' light will shine onto the ground. The light produced is considered wasted energy, and does not in any way contribute to the amount of damage. It's just like fire. Fire produces heat, and it produces light as well. The light is not in anyway essential for the fire to burn. Oxygen is. If I had the power to 'dis-illuminate' fire, I will still feel the heat.

What I'm curious is, on a really reflected surface, which I think is in parts of the movie with lightsabre duels, why wouldn't we see a trace of the tip of the blades?

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Arric

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#7 15 years ago

I think on a mirror-finish, high-gloss surface (like the docking bay floor in RotJ) a lightsaber would cast a reflection. However, most of the places lightsaber duels take place are in areas where everything is a matte-finish.

As for the blade. . . Personally, I think a lightsaber's blade is a kind of laser, which is light. In which case, as I said before, photons coming from the blade to create light in the surroundings would be "wasted" energy. Of course, we can debate the actual compostion of a lightsaber blade until we're blue in the face and get nowhere. I read in "The Science of Star Wars" (which I don't own, unfortunately) that the author is of the opinion that a lighsaber blade is made of plasma, a state of matter even higher in energy than a gas (those of you who remember your high-school chemistry will know what I mean.) Plasma is basically (theoretically, anyway) a state of matter in which matter has the properties of both matter and energy. So, one could say that activating a lightsaber blade is taking the gaseous matter in the atmosphere and converting it into plasma which forms the blade. This, however, would mean that a lightsaber is useless in vacuum (no matter to convert to plasma to form the blade.) Unless the lighstaber stored matter in some way to create the plasma. Personally, I think it's laser-light enclosed in an electromagnetic feild to give it shape, but that's just me. (Techno-babble at it's finest, folks!!)




WJTW

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#8 15 years ago

Nope. It's not light. It just emit light. That's why it got it's name. Really, a laser can't have a limited length, can it? I mean, if it was a laser, the beam would just go on and on and on. Otherwise, they would not stay stagnant. The stormtrooper's blaster seem to shoot laser beams, but they're discontinued bits, but they can'y stay stagnant,they'll move on and on until they get the target.

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Arric

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#9 15 years ago

That's why I think there's some kinf of electromagnetic or other kind of force feild to keep the light in. Yes, a regular laser would keep going, resulting in a lightsaber with unlimited length. As far as the science goes. . . The only other viable option I can think of is plasma, but you need both matter and energy to make plasma, and that would rather hamper a Jedi's use of lightsabers in certain circumstances. Contained coherent (laser) light. . . again, not perfect, but it could be it. On the whole, we don't know what a lightsaber blade is made out of. I have my theory, you have yours. . . until/unless word comes down from George Lucas himself, either one is just as viable. I'm not saying that I'm right and you're wrong, or my theory is better than yours, it's just my opinion, and may or may not be more or less 'correct' then your opinion.




Yellow

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#10 15 years ago

well first huh. and second do u ppl no that lightsabers do not exist lucas can make a monkey with a high powered concusion blaster with hydrodynamic side bored atachments and a side dish of fries and a coke if he feels like it. i guess thats just the way he ment for it to be




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