Testing what happens when we release grief into the atmosphere is, uh... Let's keep it small-scale, okay? Dissipate an artificially density-increased marble into a closed system.
Controlled quantities I agree with, but I kinda sorta want it to be in open space (as in outside, not in orbit). And using a telescope, since 100 meters is somewhat far away.

Honestly not a horrible experiment. Infinitely more stable than Grief Antimatter!
ClF3 is perfectly stable, you can even store it in steel cylinders. As long as they are not scratched, anyways.
 
There's another idea.

Oh, how about Grief Nuclear Fusion?

Maintaining a nuclear fusion reaction is well within our capabilities. However, the infrastructure for deriving + distributing power from it would likely need to be preexisting.

Yet another "WTB better batteries" issue.

That's rather tricky, but we could try slicing atomic nuclei in half with subatomic thickness grief blades.

Nah. Get the normies in on it, we just have to provide a containment shell that won't get fucking slagged. Easy as pie, and...

Y'know, we could enchant some crap and pass it off as a supermaterial. Get a buyer...
 
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Maintaining a nuclear fusion reaction is well within our capabilities. However, the infrastructure for deriving + distributing power from it would likely need to be preexisting.

Yet another "WTB better batteries" issue.
Nuclear Fission is far simpler for us though, and could be a very effective weapon against nonhuman foes.

Nuking things, even Witches, probably won't go over very well with our Japanese friends though :(
 
Nuclear Fission is far simpler for us though, and could be a very effective weapon against nonhuman foes.

Nuking things, even Witches, probably won't go over very well with our Japanese friends though :(

100 meter radius issue. I suppose we could grief up a minibunker, but still.

Don't nuke the self to spite the witch.
 
100 meter radius issue. I suppose we could grief up a minibunker, but still.

Don't nuke the self to spite the witch.
That's why you make the explosion begin 100m away while you're already in the process of running away.

Any nuclear attacks we do would need to be very small scale. We don't want to destroy the city! Think more along the lines of a nuclear hand grenade.
 
Guys, friendly reminder that fucking with nuclear physics is how Sabrina levels the entirety of Mitakihara in one of the first omakes of the quest.
 
Experiment with Mumi #1:
- Have Mumi create Tiro Finale as strong as possible.
- Have Brina make Grief stuff that makes (Grief) Magic Enchanments.
- Use Grief thingy to copy Tiro Finale.
- Use Grief thinky to improve Tiro Finale; stronger, denser, smaller, faster, whatever.
- Have Mami study Tiro Finale Mk. 2 magic and re-create it herself.
- Profit of Mumihappiness and hugs.

1st rule: No messing with nuclear physics via magic.
2nd rule: Always hug Mami
3rd rule: Suffer not a witch to live.
Exception: Sabrina may be suffered to live.

That's why you make the explosion begin 100m away while you're already in the process of running away.

Any nuclear attacks we do would need to be very small scale. We don't want to destroy the city! Think more along the lines of a nuclear hand grenade.
nuclear HOLY hand grenade.
 
There are some good points in there. However, I feel like you're missing something important: you ask how can witchouts release cosmic scales of energy without devastating explosions? It's magic. Quite literally magic. Why does it not behave like physics says it should? Because, say it with me,

Hey, Urobutcher started it by bringing in actual physics concepts like the heat-death of the universe! If a writer wants to say that magic gets around conservation of matter or energy by bringing it in from the astral plane or something, that's fine, but if they want to say that it's enough to counter entropy on a universal scale, well... SciFi Writers Have No Sense Of Scale.

I actually calculated this.

If the Incubators are actually combating entropy with grief, then even given very generous assumptions about the amount of grief they have access to, grief has to be several orders of magnitude more energy dense than pure matter -> energy conversion.
*whistles* Okay, I'm impressed. I was just going to say something like "assuming a thousand girls witch out per second (an outrageously large number that would depopulate Earth of teenage girls within a year) and the Incubators are running this scam on a trillion worlds" to estimate the per-witchout yield, but you went into way more detail.

Make sure to tilt barrel down. Gun safety 101.
We need a cliff-face to act as a backstop. Maybe that one Homura was dancing on at the end of Rebellion?

I propose we measure Sabrina's weight and compare it to that of a duck.
<British accent>It's a fair cop.</British accent>
 
Hey, Urobutcher started it by bringing in actual physics concepts like the heat-death of the universe! If a writer wants to say that magic gets around conservation of matter or energy by bringing it in from the astral plane or something, that's fine, but if they want to say that it's enough to counter entropy on a universal scale, well... SciFi Writers Have No Sense Of Scale.

To be fair, a single Magical Girl was able to rewrite the laws of the universe, so I don't think scale is really the problem here. The premise is that Humans are Cthulhu.
 
There's another idea.

Oh, how about Grief Nuclear Fusion? :V
That would be...incredibly easy. Forget slicing atoms or containing energy by normal means :

Witchy Construct 1: "Harvest Nuclear Energy from water, as long as that water isn't part of a person or animal, within (Radius)."

Witch Construct 2: "Store Energy Harvested from Witchy Construct 1 with perfect efficiency. Do not allow contained energy to disperse or be lost as heat while stored."

(You could technically make that 1 Construct, but splitting it into 2 makes it easier to handle.)

There's no need for actual atomic manipulation or physics-based containment systems. We can be more direct. That's why I call it MAGIC instead of SCIENCE sometimes: Even if it is science in a certain sense, calling it that brings to mind laws of physics and the technology used to work with those laws, while magic serves to violate the former and renders the latter obsolete (when Magic is available).

We need to keep our thinking strictly outside the box if we want to maximize our effectiveness.
 
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To be fair, a single Magical Girl was able to rewrite the laws of the universe, so I don't think scale is really the problem here. The premise is that Humans are Cthulhu.
Scale raises an even bigger problem. If an event in a finite region of space is able to change the whole universe (by, lets say, creating a value constant across all space), then assuming an universe infinite in size such change would have happened as soon as possible, simultaneously and an infinite number of times. At a large enough scale everything repeats in at least some form, so there should be an infinite amount of reality-changing magical girls at the earliest time possible.

So, either the PMMM universe is finite in size, or this region of the universe is unique, thus invalidating the cosmological principle.
 
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Scale raises an even bigger problem. If an event in a finite region of space is able to change the whole universe (by, lets say, creating a value constant across all space), then assuming an universe infinite in size such change would have happened as soon as possible, simultaneously and an infinite number of times. At a large enough scale everything repeats in at least some form, so there should be an infinite amount of reality-changing magical girls at the earliest time possible.

So, either the PMMM universe is finite in size, or this region of the universe is unique, thus invalidating the cosmological principle.

There's a fallacy here; plenty of intelligent life in the PMMM-verse doesn't have emotions and thus magic. So a non-infinite subset of an infinite amount of lifeforms are capable of performing magic, and a subset of that subset is capable of doing Madoka-level bullshit.

Since Madoka only exists due to the stupidly improbable interaction of literally hundreds of universes, I don't find it even slightly eyebrow-raising that Madoka's the only one to pull this off (well, and Homura, but she's piggybacking).

Also, how do we know that Madoka DIDN'T happen as soon as possible? The Incubators needed to evolve, observe the universe, decide to intervene, INVENT MAGIC (and thus probably are an Omega civilization), and then uplift enough teenage girls until a particular pair with a particular set of personality traits, circumstances, background, and cultural/social mores interacted with each other in such a particular configuration as to cause the start of Homura's loops.

This already requires a stupid number of 1-in-a-few-million dice rolls, but then Homura needs to keep this up for hundreds of loops without A) Dying, B) Witching out, C) Giving up, or D) Succeeding.

And that's not something you resolve with a single probability die roll. You need to make all the rolls in timeline one every single loop, every single time, and Homura needs to pass every single percentile probability every single time.

The fact that this happened even ONCE is retardedly improbable and proves that anything possible is probable.
 
There's a fallacy here; plenty of intelligent life in the PMMM-verse doesn't have emotions and thus magic. So a non-infinite subset of an infinite amount of lifeforms are capable of performing magic, and a subset of that subset is capable of doing Madoka-level bullshit.

Since Madoka only exists due to the stupidly improbable interaction of literally hundreds of universes, I don't find it even slightly eyebrow-raising that Madoka's the only one to pull this off (well, and Homura, but she's piggybacking).

Also, how do we know that Madoka DIDN'T happen as soon as possible? The Incubators needed to evolve, observe the universe, decide to intervene, INVENT MAGIC (and thus probably are an Omega civilization), and then uplift enough teenage girls until a particular pair with a particular set of personality traits, circumstances, background, and cultural/social mores interacted with each other in such a particular configuration as to cause the start of Homura's loops.

This already requires a stupid number of 1-in-a-few-million dice rolls, but then Homura needs to keep this up for hundreds of loops without A) Dying, B) Witching out, C) Giving up, or D) Succeeding.

And that's not something you resolve with a single probability die roll. You need to make all the rolls in timeline one every single loop, every single time, and Homura needs to pass every single percentile probability every single time.

The fact that this happened even ONCE is retardedly improbable and proves that anything possible is probable.
I agree with everything here, except for that part about Incubators inventing Magic: Magic is almost certainly a natural ability of the Soul. The Incubators simply facilitated it's expression.
 
Hey... if things didn't explode by morning, should we call Homura and do that 'free Grief experiment'? She agreed to spot for us and told us to find time soon...

Also, we totally should try and see if we can do Grief time stop/distortion, like Aurora seemed to do.

There's no need for actual atomic manipulation or physics-based containment systems. We can be more direct. That's why I call it MAGIC instead of SCIENCE sometimes: Even if it is science in a certain sense, calling it that brings to mind laws of physics and the technology used to work with those laws, while magic serves to violate the former and renders the latter obsolete (when Magic is available).

We need to keep our thinking strictly outside the box if we want to maximize our effectiveness.
Why, instead of trying to think about how to make bigger booms, why don't we see just how quickly our Grief can simply magically make things disappear? Why apply more force when we might be able to make things stop existing through our mere will?

Come on, we've got Grief, a disintegration beam, or a decay beam at least, should be within the realm of possibility. :)
 
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