The problem of the soul

[Spongebob]

I did read your posts but obviously you didn't get my meaning: the "transitional" state I'm speaking about is anything "less powerful than the next state"; meaning is:

1-solid is the current state, you convert to "liquid" via heat.
2-liquid is the current state, you convert to "gas" via heat
3-gas is the current state, you convert to "plasma" via heat


And here is your last comment:

4-Plasma is the current state, you convert to (......) via (.....)??? 

You brought an example on the exploding of atoms via heat which results in "nuclear explosion".

But I googled the next phrase:

what stronger than nuclear fusion

Now we're talking : this is exactly what I want so thank you for opening the thought for me.

Turns out the answer is:

“Quark Fusion” Produces Eight Times More Energy Than Nuclear Fusion

 https://futurism.com/quark-fusion-produc...ear-fusion

My theory is that the soul cannot be found exactly because so many facts are still "theoretical" like Quark fusion. But I think the electricity in the brain might be the soul..

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Hold on a minute, I'm glad you were inclined to think about the subject, but I only posted that mushroom cloud photo as a joke.  Nuclear fusion is not the "next state" of matter after plasma.  Fusion does require massive, and I mean way massive, amounts of energy, but this is NOT changing matter from one state to another, it's actually changing from one element to another.  Initiating fusion is about getting atoms to a level of energy where they become "willing" to fuse together and form a different element.  Note NOT "new" matter, but a different element.  The amount of matter doesn't change.

===Sidebar===
Note that fission and fusion are not the same thing.  Fission is accomplished using neutron bombardment, which splits an atom into smaller atoms, releasing lots of energy.  Fusion is when you cause two atoms of one element together to form a different element, and even more energy is released.  Both reactions cause huge explosions, thus atom bombs (fission) and thermonuclear bombs (fusion).
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So fusion is what stars do, they literally fuse two atoms to form a new one.  Stars fuse Hydrogen atoms to make Helium.  They fuse Helium atoms to make Carbon and Oxygen...and so on.  Understand, this is not NEW matter, it's just changing from one element to another.  

What you looked up, quark-fusion, is still only theoretical; it's never been tried and from the looks of it that's probably a good thing.  Quarks are sub-atomic particles, so we're not talking about plasma anymore.  We're not even talking about matter, per se, but rather what makes matter, matter.     At this point you are getting into the more esoteric aspects of physics.  If you are just Googling this stuff, you are most likely not going to understand it.  I suggest you read a few good books on the subject; there are thousands available.  But I warn you, it can get EXTREMELY difficult to comprehend the deeper you go.  I've read books written by Isaac Asimov decades ago and he had a great talent for making difficult concepts easy to understand.  Lots of people read an article or two about quarks or higgs bosons and start imagining they understand how god interacts with the universe.  Unless you have an intellect on par with Stephen Hawking, I highly discourage that sort of thinking.  If you have any intellectual capacity at all, studying physics at this level has an enormous humbling effect because you get just an inkling of how complex realty is and it becomes evident that we have only scratched the surface, if that.