After the humming sound of the magic circle sounded, Mithlan looked at the charging crystals used to release energy with some nervousness. Normally, this should be a magic crystal, but due to the appearance of the "Charged Crystal", Rasiman has been working on the subject of imitation since Roddy left last time, but there has been no progress so far - the amount of Charged Crystal trade between the two countries is so small that most Magus have not had the opportunity to use it.

Now the charging spar used by the circle was approved by Luo Di personally, the activation time and calibration speed of the circle are several times faster than the original, when the blue light stabilized, Mithlan wiped his sweat inexplicably, and began to adjust on the edge of the circle, not long after, an orange light appeared, Mithlan breathed a sigh of relief, and was just about to put the stack of papers he had written on it, but the circle suddenly flickered.

"Bring the paper rolls!"

He shouted, and the magician on the side immediately took away the paper that was intended to be used to transmit information, replaced it with a large piece of clean white paper, and carefully fastened it to the magic circle.

After reciting the incantation, the light began to flicker, and the white paper on the circle trembled slightly, and after a few minutes the process was over, he turned over the white paper that looked like there was no handwriting and put it away, and after retreating from the left and right attendants, he tapped it with his staff, and the ink soaked through the paper along the slight indentation, revealing the words on it.

This complex method is similar to "fax", and it is much easier than simple signal transmission. He read the council's letter quickly, but his face became solemn.

Before he had time to sigh for anything, he immediately sent the letter he had written, and the task was a full hour—for compared to the one-page letter, he had sent twenty-seven chapters, including four pictures of airplanes and bombs that he had drawn all night.

When everything was sent, Mithlan, who had stayed up all night, was really sleepy, so he just lay down next to the circle and closed his eyes and snored. As a result, only ten minutes passed, and the circle suddenly began to flicker, and Mithran, who woke up, hurriedly asked people to prepare paper, and after seeing the handwriting written by the speaker himself, he couldn't help but take a deep breath...

"Has it come to this point?"

After he finished reading the paper, the circle began to hum again, and Mithlan was stunned, and then continued to prepare the paper—as soon as he accepted it, it was more than ten in a row...

"The pressure on the troops has increased, shouldn't it..."

Rasiman had long been on the verge of a tipping point in the balance of the six academies because of the advent of external war. This time, the enemies are the Tukhs, the women who are the most respectful aborigines.

In fact, Rasiman had expected this: when Eskar retreated to the depths of the desert to recuperate, Rasiman signed an "armistice treaty" because the army and the mage could not fight. Later, when he participated in events such as "Twilight Crown", everyone knew that it was just a façade, and the parliament had already reached a consensus on the comeback of the Eskar Kingdom. But Rasiman didn't take the other side seriously in terms of technology, trade, and location – at least as Mithran left the port, the mood in the council was positive.

But now the news caught him off guard: most of the peripheral countries that were originally controlled by Rasiman are now under Eska's control, and Rasiman's borders have begun to be invaded... Now war is not on the verge of breaking out, but breaking out without warning!

"What?

He looked at the last three pieces of paper and exclaimed, because the way the Tuks fought had changed dramatically, and Rasiman, who had an absolute technological and magical advantage... It has already begun to fall into disadvantage!

This was originally a piece of news that the council had not intended to say explicitly, but after seeing the words and drawings that Mithland had just sent, the Rasiman council immediately made a decision to let the ambassador negotiate with Roddy as quickly as possible.

The only purpose is for the Karen Kingdom to support Rasiman and win this war.

Roddy has been concerned about the progress of aircraft engine research and development lately.

The research room inside the magic tower specializes in engines, and test flights and corrections are carried out daily at the external airfield. The prototype of the bomber has been developed at a rapid pace with the help of Kardashian and others - but Roddy is well aware that the reason why the current aircraft can develop at such a cheating speed is mainly due to the dragons' exquisite magic circle as a way to make up for it.

"Materials science" and "fundamental physics" are two huge bottlenecks in the development of science and technology, physics is still far from "quantum mechanics", the macroscopic physics of the earth is basically remembered by Kardashian, plus she has been in real airplanes and dabbled in it, there is no problem in terms of design. However, "materials science" is an extremely broad and difficult subject, Kardashian can't memorize so many formulas and reaction equations, even if she learns university chemistry textbooks, she can only make guidance and planning in the direction, and the progress of specific materials can only rely on these people in the research department to try one by one.

Nowadays, airplanes flying in the sky do not use aviation aluminum alloy or anything like that, but use light and hard wood supplemented by magic circle reinforcement, which can maintain sufficient strength when in the air.

But Roddy didn't think it was a long-term solution, and he was listening to a report from several magicians in the research department about the current evaluation of the long-range and reliability of the Albatross transport aircraft - the ultimate goal, of course, was to fly and carry it for long distances.

If there were planes, the kingdom of Karen would not have to make a journey of at least forty days to Rasiman.

"The circle to replace the hedron has been made, but the current problem is that the engine will fail due to heat dissipation and wear when used for a long time..."

"Bearings?"

"Yes Prime Minister, the problem is that the bearings currently used are not stiff enough, and there are also problems with accuracy, and short-term flights can be solved by replacing and adding lubricating oil, but if the flight distance is more than a thousand meters, this is probably a hidden danger that cannot be ignored——"

The young magician said as he took out three or four kinds of bearing steel balls to show Roddy, but Roddy is not an engineer, he has a specialization in the art industry, and after asking the bearing question clearly, Roddy wrote down the problem to be solved in the notebook he carried with him, and turned his head to go to the half-plane of the dragon family.

The Black Dragon Lord Pucasto was not in the Magic Tower, but he directly found a Black Dragon Elder, and after some consultation, the latter immediately patted his chest and said, "The materials that meet this need are easy to say, I will go find them for you now", and without saying a word, he immediately left the Magic Tower to find a mine.

Roddy didn't expect them to be so enthusiastic, and returned to the top of the tower to check Sally's physical condition, and after hearing the squire's reminder, he remembered that he had made an appointment to talk to Evely and Doreth today, and these two Tuke women who knew the country of Eskar were waiting outside the door at this time.

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