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Puella Magi Adfligo Systema

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Giving the grief the properties of attractive force and repulsive force should be enough to break any mental conventions we have about gravity/magnetism in practice. Just calling them attraction / repulsion is easy to conceptualize but is not a real-world force. Then it's only a small step to selective, too.

Remember, we only call Yumi's powers "gravity" powers out of convention. In effect they were more of a telekinesis.
 
Kinematics said:
Gravity attracts anything with mass. Given Yumi's use of it against us, I'd hardly call any use of it significantly weaker than magnetics.
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Ah, was talking more theoretically there, not in terms of application for combat or anything. I meant that in physical terms gravity is a weaker force considering that the electromagnetic interactions between a fridge magnet and a piece of metal are stronger than the gravity of the entire planet trying to pull it to the ground.

Though that does raise doubts as to whether Gravity girl's 'gravity' is actually Gravity as defined by F=-Gm1​m2​/r2​ or not. (Likely not.)

Edit* Ninja'd by Krecart - you've heard that analogy too?
 
o3o said:
Meh, it's magic.
To be honest, I feel as if much of the reason Witch Barriers are so damn wonky is because of the fact that Grief is influenced by it's wielder, and when it's in a barrier the wielders are batshit insane. Personally, I get the "magicalbullshit" vibe off it - we should be able to do nearly anything with it, but we're "limited" by our own rationality and scientific approach. I wonder if we're limiting ourselves by trying to "define" it, so to speak?
Wait...Dirtnap too!? [Mami intensifies]
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He was always Mami. We have all always been Mami. *cult intensifies*

Edit: On that note, I bet we could make a magnetic grief sphere that attracted all metal, ferrous or not. Hell, if that works I bet we could make grief attract whatever the hell we want.
 
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Yumi's powers were presented through the lens of another character. Oriko, I think? Not even sure if there's any omniscient narration in PMAS at all. Much like Atsuko's powers were "Metal", "Gravity" is a convenient descriptor for a power that involves attractive forces. That Yumi could repel our grief blades means her powers are not gravity by conventional definition, but rather a magical attraction/repulsion power. I have no problem calling her power gravity for convenience, mind you.

e: Magic gravity, if you will.
 
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Kinematics said:
There's a gap in the index and story thread between entries 16 and 17 of Entanglement. 16 is post 1253 (35 in the story thread). 17 is post 1278 (36 in the story thread). In between, 16.5, is post 1264. It's not in the story thread.
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At last! A light dawns!

I've read through the whole story-only quest a dozen times, and this portion always bugged me:

Firnagzen said:
Finally, she starts speaking slowly, dredging up painful memories. "Mami died to the sweets Witch. Charlotte, you said? Miki Sayaka made a contract, and saved Madoka from the television Witch. Kyouko Sakura arrived from Kasamino, and I made an agreement with her to gain her assistance for Walpurgisnacht. Miki Sayaka Witched out shortly after."
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I've been wondering exactly how Homura heard the name Charlotte. It would bug me, but I'd always think that it might have either been mentioned offscreen or maybe its one of the lines I skimmed over. It turns out that it was in one of the missing episodes, so yay!
 
SynchronizedWritersBlock said:
Giving the grief the properties of attractive force and repulsive force should be enough to break any mental conventions we have about gravity/magnetism in practice. Just calling them attraction / repulsion is easy to conceptualize but is not a real-world force. Then it's only a small step to selective, too.

Remember, we only call Yumi's powers "gravity" powers out of convention. In effect they were more of a telekinesis.
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Mostly true, but there are a few other effects that don't quite fit into such a simple view.

For example, suppose we had a ligneo-magnet. Put down two chopsticks end-to-end and the magnet at the end of one of them. If it behaves like magnetism, moving the magnet will drag both chopsticks along, as the magnet 'magnetizes' the chopstick. If it's merely an attractive effect, only the chopstick that gets touched will move.
 
Madoka's not allowed to keep pets, if I remember the canon. So it can benefit Mami instead. You know Madoka would be happy to do that.
 
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