The most difficult part was to create a vacuum inside the boundary.
Several ideas were proposed, such as filling the chamber with water vapor and freezing it at a lower temperature to create a vacuum, or going to outer space through a transition, deploying a physical barrier (solid barrier), and returning to the ground.
After some consideration, a simple and easy method was adopted for Goh and Rubina's study.
The following is the result of the discussion.
.
Jin gave instructions with the bracelet and Reiko replied with the built-in manacam.
Since voices cannot be heard in a vacuum, this was done in advance.
<
In this way, the air pressure inside will be lowered.
It will not be a perfect vacuum, but it will be low enough to serve the purpose of the experiment.
Finally, Reiko has extended the physical barrier (solid barrier) to 50 meters in ...... diameter, which is close to the limit of the size that can be erected in the garden of the house.
The first barrier was about 130 centimeters in diameter, but now it is 50 meters.
Since atmospheric pressure is inversely proportional to the volume of a sphere, 1.15 cubic meters becomes 65416.67 cubic meters. The pressure inside the sphere dropped from 1 atm to 0.0017 This means that the pressure inside the sphere dropped from 1 atm to 0.00176 atm.
This was sufficient for the experiment.
<>
<! >>
<>
It was almost invisible, but I could see that a chunk of air flew through the air and hit the inner wall of the ward and bounced off.
<<>.
<>! >>
<>......Oh, I knew it>>
As expected, it turned out that a pseudo mass of air flew away.
>! >>
<
>! >>
> please!
<>! >>
<
>
<
When the smallest diameter of 130 centimeters...... is the same as Reiko's height, the barrier is released, and a small popping sound is heard.
This is presumably because the remaining air molecules in the interior have undergone a chemical change by the action of < or , and their volume has been reduced.
Probably because nitrogen became nitrogen oxide, but I am not familiar with chemistry, so I did not know for sure.
But I am not a chemist, so I couldn't figure it out.
Thus, it became clear that some magical phenomena are caused by the temporary transformation of mana.
In other words: .......
The < is a pseudo-molecule of air transformed into mana, which emits light and is recognized as a flame because its temperature has been raised.
> is shot out by changing mana into pseudo water molecules.
<
And <> is also shot out by mana becoming air molecules.
All of them dissipate within a few seconds of their magical effects.
This experiment was groundbreaking.
It is a kind of "Columbus' egg" or "dark under the lamp," and one wonders why no one has ever tried it before.
"Also, even if you have your doubts, I think it's because you can't get clear results unless you conduct the experiment in a vacuum," he said.
"Hmm, that may be so."
In any case, the results of this experiment should not only have been shared with the and <>, but also with <>.
The names of Rubina Garrett and Goh Nido were listed as collaborators.
It was their academic debut.
"Yeah, ...... I'm embarrassed."
"Me too. ......"
They had not done much, they said,
"This is a great discovery in the history of offensive magic and in the history of engineering magic. If we can use it, the <> will make great progress. If this happens, aircraft will also make great progress. I won't be able to keep that honor to myself, will I?"
"I think Jin-sama should be the only one. ......"
"I agree. ......"
Nevertheless, Jin wanted to take this opportunity to debut Goh as a Magi Craftsman (Magi Craftsman)...... or even as a Magi Engineer (Magi Engineer) in the Shoro Empire, and if that happened, it was inevitable that Rubina would also be a Magi Engineer.
If Rubina is going to be in a relationship with Goh (as more than a friend), it is a path that cannot be avoided.
And this is the best subject of all.
"I'll write the report. I will put the names of Elsa, Goh, and Rubina in the list of collaborators."
"Wow. ....... Goh, are you okay with this?"
"I've already made up my mind."
"ugh......, I guess I can't help it."
"Yeah, yeah, yeah. You have to give up.
Jin-sama, you are ......
* * * * * * * * * * * * * * * * * *
So Jin decided to write his report.
In the meantime, Gou and Rubina are to develop a <> using <>.
"Yes. ...... can you do it?"
"Yes we can. ...... Erza, can I ask you to supervise the two of them?"
Yes, I can.
Erza is to supervise them to make sure they don't overdo it and do dangerous experiments.
Goh and Rubina were reassured by the fact that Elsa was with them.
"Well then, let's see if we can put together a plan."
"Yes. ...... First of all, we'll use wind magic.
"The easiest one to use would be the Wind Blow.
"I think it's good. <
"Since it will not generate heat, is it unnecessary to consider heat resistance and heat dissipation?
"Basically, yes. But since air is compressed, there may be some heat generation.
"Yes, that's right.
"We'll have to confirm that through experimentation."
Thus, under Erza's guidance, research on the < began.