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Aldnoah.Zero (TV) (both seasons).


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ChibiKangaroo



Joined: 01 Feb 2010
Posts: 2941
PostPosted: Tue Jul 29, 2014 9:13 am Reply with quote
dtm42 wrote:
Yttrbio wrote:
I don't think the dude was cutting all the HE bullets, he was creating a wall of heat that causes them all to explode. Or so I choose to think, because it's slightly less idiotic.


That's exactly what he was doing. The thing is, like I said before, causing them to explode is not going to cancel out the momentum of all the shrapnel, which will now be superheated and still travelling towards the mech. Except now they'll be like plasma grapeshot and presumably capable of burning through his armour. So all the fancy sword should have done is turn a grunt's standard machinegun into a devastating plasma shotgun (with automatic fire no less). Nice.


Even if you think that he is creating a "wall of heat," which I find to be a fairly questionable concept without having a constant heat source in the same location, he still has to be swinging the sword fast enough to keep that "wall" going in the same general area that the rounds are coming. Heat is going to dissipate fairly rapidly in the open air after the source of that heat moves away. If I fire a burst from a flame thrower in the air for a fraction of a second, that doesn't mean there will be some kind of "wall" up for seconds after that. As soon as I turn that heat source off, the remaining hot air will rise and dissipate very fast.

So you have that issue of the questionable nature of this "wall", but along the same thought, you have to think about how quickly hot air will rise. Say he swings the blade in a general area to try and create this wall to deflect one round (out of the hundreds, and perhaps thousands being fired at him once multiple mechs are firing at him???), then he quickly moves the blade in another direction to block another round, well the hot air from the first swing is going to rise very fast so he would have had to time it PERFECTLY so that the blade swung below the impact point of the round, and the heat would rise up exactly to that impact point at the exact time the round would travel through that space. It seems like the math involved in that would be astronomical once you start talking about thousands of rounds. So even if you assume he can swing his blade at such a crazy fast speed and be able to change the direction of such a giant heavy piece of equipment even more quickly, then he would have to be some kind of mathematical savant beyond comprehension to still pull it off.

I think at this point we should stop pretending that this is scientifically plausible and just accept that the writers decided to put some mystical mech swordsman action in here just because Japan loves katanas, and plasma katanas seemed cool.
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Ohoni



Joined: 10 Jun 2003
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PostPosted: Tue Jul 29, 2014 11:27 am Reply with quote
Ok, to those complaining about the outcome of the episode 4 fight,

1. spoiler[The blade did not have to "slice" bullets as a real sword would. It was clearly a much broader "beam" than a normal sword would be, so picture it more like one of those oni massive clubs, equivalent to about 1ft around for a human scaled version. Unlike with a real sword where you'd need to catch each bullet on a razor thin blade and presumably hit it with some speed, he can just sort of wave that thing around a little and any shots directed at his center line would be deflected.]

Also, you guys should probably not watch SAO II.

2. spoiler[A lot of you are talking about how shrapnel and the AP rounds would still pass through in some fashion. True enough. But remember that this is not some paper-thin mech on the receiving end, he might not be indestructible like the other one, but he does have reasonably solid body armor. Random shrapnel from the HE rounds would just scatter off him as if you were throwing jacks at a normal person. And AP bullets that were caused to tumble by being thrown off course would do damage, but would no longer have piercing properties because they wouldn't be hitting tip-on, they were turned from AP rounds into BBs, and his armor was clearly strong enough to deflect BBs, if imperfectly. Firing enough AP rounds at him in a concentrated fashion would likely wear him down, but their methods worked well enough.]
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ChibiKangaroo



Joined: 01 Feb 2010
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PostPosted: Tue Jul 29, 2014 11:39 am Reply with quote
Ohoni wrote:
Ok, to those complaining about the outcome of the episode 4 fight,

1. spoiler[The blade did not have to "slice" bullets as a real sword would. It was clearly a much broader "beam" than a normal sword would be, so picture it more like one of those oni massive clubs, equivalent to about 1ft around for a human scaled version. Unlike with a real sword where you'd need to catch each bullet on a razor thin blade and presumably hit it with some speed, he can just sort of wave that thing around a little and any shots directed at his center line would be deflected.]



This doesn't address what I said in my post above.
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dtm42



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PostPosted: Tue Jul 29, 2014 2:18 pm Reply with quote
Ohoni wrote:
Also, you guys should probably not watch SAO II.


Way ahead of you mate, I'm already not.
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Galap
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PostPosted: Tue Jul 29, 2014 2:52 pm Reply with quote
The HE shrapnel is probably being completely vaprorized; it's a lot smaller than the AP bullets, and they were being partially vaporized.

If my calculations are correct, the saber would have to be effecting 9gigawatts of power (Several times as much as Doc's Flux Capacitor) on the bullets to vaporize half the mass of an AP round in the time it's in the Zone of Heat. Since that's just the transfer that actually is effected on the bullet, the sword itself must be outputting power in the terawatt range, probably about 1TW.

Thats about the power output of a large country, or several Saturn V rockets.

Quite a bit for one sword, isn't it?

On the other hand, mankind has produced devices, like lasers and thermonuclear bombs, that have (though for a short time) output power on greater scales than this.
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FenixFiesta



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PostPosted: Tue Jul 29, 2014 5:25 pm Reply with quote
Quote:
Quite a bit for one sword, isn't it?

On the other hand, mankind has produced devices, like lasers and thermonuclear bombs, that have (though for a short time) output power on greater scales than this.

I doubt they will ever go in detail on how most of the Aldnoah tech works, but what I will assume is that in a derivative manner of creating an "event horizon veil" the sword it self is somehow creating a field that prevents the energy from dissipating normally, important in protecting the user mech from being fried alive from yielding such a weapon(that would take into account how the sword can be thrown and "stab" things without falling down)

The hottest part is probably much thinner than what is seen by the naked eye and located where the invisible field (impromptu refer it as the "Aldnoah field") is located, the excess energy that continuously dissipates from the field is what we are seeing and still could leave the air to be super heated around it.
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meiam



Joined: 23 Jun 2013
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PostPosted: Tue Jul 29, 2014 7:13 pm Reply with quote
Yttrbio wrote:
It seems like the math involved in that would be astronomical once you start talking about thousands of rounds. So even if you assume he can swing his blade at such a crazy fast speed and be able to change the direction of such a giant heavy piece of equipment even more quickly, then he would have to be some kind of mathematical savant beyond comprehension to still pull it off.


Or his robot has a computer on board.

The blade was also gigantic, covering multiple bullet path should be very easy. And we can already make machine that move at insane speed, look up "flywheel energy storage". If you can accept it can create plasma, moving his sword very quickly is quite simple next to that.

Also, air is actually a terrible heat conductor, and the plasma was seen gushing out of his sword, so what heat the bullet wouldn't actually be the hot air but the leftover plasma being ejected from the sword.

And once again, when the bullet blow up, its send shrapnel of the bullet all over the place, vast majority of them never even reach the mech, the momentum is split into all the shrapnel, so by blowing up you get two effect, one the energy of the bullet is split into all shrapnel (remember conservation of momentum, not multiplication), two the few shrapnel that do reach the mech are spread over a large area which make it very easy to absorb. The added speed from the explosion of the bullet wouldn't even come close to compensating for these two effect.
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ChibiKangaroo



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PostPosted: Tue Jul 29, 2014 7:32 pm Reply with quote
meiam wrote:

Or his robot has a computer on board.



Then they don't need pilots for these mechs. If the computer is that advanced that it can calculate and execute an interception course for thousands of rounds being fired at him and adjust the position of the blade so that heat coming off would perfectly intercept every one of those rounds, then pilots are obsolete. They should just send down fully cyberized robots that are controlled from the ship. But if they had such robots, then the show wouldn't be as dramatic. The audience wants to see cartoonish villains controlling mechs, not advanced computers that can't make crazy faces and evil grins, or swipe their tongues around in a menacing fashion/lick knives and whatnot. So now we have human pilots in a mech that you are saying have computers that are so advanced that they don't even need pilots.

Quote:

Also, air is actually a terrible heat conductor, and the plasma was seen gushing out of his sword, so what heat the bullet wouldn't actually be the hot air but the leftover plasma being ejected from the sword.


Well this is a new theory since everyone else is saying he creates a "wall of heat." But if you are saying that what is really happening is the plasma is coming out of the sword and hitting the rounds, well now we need to factor in even more advanced calculations, because you would need to calculate the trajectory of the plasma coming of the blade and be able to even further shift the position of the blade so each round was still intercepted by a burst of plasma coming off it at the exact correct angle. And again, all of this is happening in microseconds because thousands of rounds are being fired at you at extremely high velocity.

This is just so obvious to me that it is not meant to be taken as scientifically accurate. It is supposed to be Martian magic, and we are supposed to just blindly accept it as such.
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egoist



Joined: 20 Jun 2008
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PostPosted: Tue Jul 29, 2014 7:45 pm Reply with quote
The power output of that weapon should be melting his own mecha. His mecha would either have been built of some super metal or it has a pretty strong force field around it. Either don't seem to be the case as a mere container with relatively small kinetic energy trashed its face. The pressure applied by the container would have been a fraction of the bullets shot so should a bullet go through his super weapon (i.e. behind him), it would have done far more serious damage.

But then again, why apply super technological theories to this when they look like monkeys in astronaut suits.
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Ohoni



Joined: 10 Jun 2003
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PostPosted: Tue Jul 29, 2014 7:53 pm Reply with quote
Quote:
This doesn't address what I said in my post above.


No, it doesn't. I don't think your post had anything to do with mine.

Quote:
Also, air is actually a terrible heat conductor, and the plasma was seen gushing out of his sword, so what heat the bullet wouldn't actually be the hot air but the leftover plasma being ejected from the sword.


it couldn't just be "plasma gushing from the sword" because then it would be all floppy, like water out of a hose. There has to be some sort of restraining field in place, keeping the plasma contained within the space you can see on the show.
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dtm42



Joined: 05 Feb 2008
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PostPosted: Tue Jul 29, 2014 10:13 pm Reply with quote
Apologies if you've heard this theory before, but I hadn't and I wanted to share it. I read about it on RandomC and it makes good sense. The theory is that spoiler[the princess actually did die in the explosion and that's her bodyguard/bodydouble running around pretending to be her.] It's plausible and it neatly answers several questions:

1): spoiler[Why is the "princess" only left with a single handmaiden? Even if the real princess was indeed sick and did not take part in the parade she would still have had a large retinue with her wherever she was recovering at.]

2): spoiler[If the princess was sick enough to not take part in a parade that she herself had scheduled, then why is she fine now? She has displayed no problem with the gravity. If the whole gravity sickness thing is a cover story to fool Inaho and it was indeed the real princess in the car . . .]

3): spoiler[Why is the "princess" so proficient with martial arts and weapons such as a missile launcher? Those are skills you'd expect from a trained bodyguard, not an actual princess who has been sheltered all her life.]

4): spoiler[This is different from the others but nevertheless it's food for thought. When the "princess" begins to give her name in episode four and then catches herself, and the handmaiden is visible startled, we think it is because the "princess" almost spoke her real royal name of Asseylum in front of Inaho's sister. But what if it was because she is really the bodydouble and almost spoke her own name in front of Inaho himself?]

Anyway, while I don't know if the theory is true, it would spoiler[be a cool double-twist if the princess had actually died back then.] In fact, I'd be pretty disappointed if it isn't true.



Edit: just fixed some typos.


Last edited by dtm42 on Tue Jul 29, 2014 11:38 pm; edited 1 time in total
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Key
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PostPosted: Tue Jul 29, 2014 10:46 pm Reply with quote
That sounds like someone's wishful thinking. It's even more plausible that spoiler[The Vers Empire has become a warrior culture, and as nobles seem to be warriors, the princess would naturally have had at least some self-defense/weapons training.]
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dtm42



Joined: 05 Feb 2008
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Location: currently stalking my waifu
PostPosted: Tue Jul 29, 2014 11:00 pm Reply with quote
^
spoiler[She seemed pretty sheltered to me when we saw her on the ship, and the fact that she had to have the Count escort her to Earth makes me wonder if she hasn't been wrapped in cotton wool all her life. Plus every Martian we've seen thus far in cataphract combat and on the landing castles has been male, indicating that women are not afforded the same status as men when it comes to fighting (which is true in almost all historical warrior cultures). I think a female bodyguard who can fight is much more plausible than a princess who can fight.]

What about points one and two? You didn't address them.
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leatherhead333



Joined: 15 Aug 2013
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PostPosted: Tue Jul 29, 2014 11:30 pm Reply with quote
I actually brought that up earlier dtm42 but it kind of got swept under the rug with all the scientific theories lol. I saw the theory from the same place you did though (RandomC actually has some witty posters which is why i visit there often).

Imo it makes a lot of sense to me too especially with the whole spoiler["she was too sick" excuse that I don't think would be enough to make her not attend the event with how excited she was about it. As you pointed out even if she was that sick how could she get over it so quickly?] There are just to many things off about her.
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DuskyPredator



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Location: Brisbane, Australia
PostPosted: Tue Jul 29, 2014 11:35 pm Reply with quote
^
1) She may have more, but at that spoiler[time she only wished to have her personal maid, lady in waiting, or whatever].

2) The gravity spoiler[discomfort might be similar to jet lag and she adjusted, or maybe she unconsciously picked up the attempt and her intuition warned her about what was going to happen in making her feel unwell.]

3) She might be spoiler[sheltered by her people's culture, but still trained enough. Instead of high-class horse riding she does rocket launcher handling]. That or she can use the spoiler[triforce of wisdom to turn into a ninja].
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