Tang En briefly flipped through the documents that Fiona had organized. In the past few days when he was not around, Fiona had not been idle. She had completed the tasks that he had given her.
"Well done. The universal alloy has a wide range of uses. It must be mass-produced."
After Tang En finished speaking, he still felt a little regretful. If he had majored in chemistry, physics, or materials on Earth, perhaps he could have found a way to get a set of equipment to understand the elements that caused the qualitative change in ordinary steel. The elements in the two herbs had become a catalyst for the magic metal, allowing the magic metal to fuse with ordinary steel, greatly increasing its performance. If he could figure it out, he could find a way to extract the corresponding elements from gray thistle grass and silver thistle grass on a large scale to directly synthesize the universal alloy. The production efficiency would be greatly increased.
Unfortunately, I really can't do it...
Fiona shrugged and glanced at Tang En. Then she said expressionlessly, "Another thing is that the mid-term exam results are out. I think it's necessary to report this matter to you. The current problem is very big."
"Hmm? Didn't you leave the exam to Pamela? "
"Because the students are very resistant to the exam... and because of the exam, the students are full of complaints about you."
Fiona looked at Tang En strangely. "Even Elijah complained to Miss Elsa a few times."
Tang En chuckled when he heard that. "That's the effect I want. Let them slowly enjoy the fun. I haven't brought out the one lesson, one practice, and the three years of college entrance examination and five years of simulation. They should feel lucky."
At this moment, Tang En was full of mischief. He intended to let these naive and ignorant children experience the hardships he had gone through. Then he would glorify it by saying, "When the heavens are about to bestow a great responsibility on a great man, they must first torment his will."
Although Fiona did not understand what Tang En was talking about, she knew that it was nothing good. She spread out her hands and said, "After Madam Pamela finished marking the papers, she made a slight adjustment to the curriculum and class according to the students' grades and areas of expertise. She hoped to teach students according to their aptitude and let them master what they are best at."
Tang En frowned. "Isn't it a little early? They have only just come into contact with basic education and can't see their own talents yet. Basic education must be compulsory and complete. "
"You can discuss this matter with Lady Pamela."
"Help me tell her that I don't have time."
Tang En shook his head, took out some small things, and threw them on the table. "In the next few days, I'm going to study something … Oh right, help me find Eutinia. I have something to discuss with her."
Fiona glanced at it and found that it was just some small parts she didn't understand. She nodded and left.
"Deep-sea torpedo … Although it's quite simple …"
Tang En rubbed his head. He was probably the only one who knew how big the problem was.
Power was not a problem. The problem was the resistance of the deep-sea torpedo to water pressure. Although the oval-shaped structure could effectively reduce water pressure, the deepest part of the Sea Abyss was as deep as four thousand meters. It was a big problem whether the torpedo could withstand such strong water pressure.
In addition, there was the problem of magic signal transmission. In the deep sea, the concentration of water elements was quite high, and the interference was very strong. Using magic waves to transmit control signals might be interfered with. The best choice was to use the ubiquitous water elements in the deep sea to achieve communication and control.
The most important thing was how to activate the warhead.
The small parts on the table floated in front of Tang En and quickly assembled into a mini torpedo. He waved his hand, and a splash of water appeared in the air and then enveloped the mini torpedo. Tang En began to constantly increase the pressure.
When the pressure increased about fifty times, the mini torpedo had an obvious deformation, which meant that the strength of the material was not enough to withstand the following pressure.
Tang En frowned. "Sure enough, a single-layer structure won't work. This is only fifty times the pressure, which is only equivalent to about a thousand meters underwater … Then I'll change to a double-layer composite structure."
He recalled the material structures he had seen on Earth. He remembered that there was a double-layer pressure-resistant shell structure that added horizontal support bars (ribs) between the two walls, and then filled the interlayer with high-pressure gas to increase the compressive strength of the shell, thereby achieving a step-like pressure drop state.
He did as he thought. After dispersing the water ball, he immediately began to make another mini torpedo.
Not long after, Eutinia pushed the door open and came in. "What's the matter?"
Tang En glanced at Eutinia and was stunned. "Where did you go?"
Eutinia's silver hair was quite beautiful, as soft and smooth as satin under the moonlight. But at this moment, her hair was covered in weeds, and even her clothes were a little dirty, as if she had rolled around in the grass. As a goddess, it was simply unsightly for her to look like this.
Eutinia did not answer Tang En's question. Instead, she repeated, "What's the matter?"
"Of course."
Tang En pointed to the sofa. "Sit."
After Eutinia sat down, Tang En brought her a cup of tea and some homemade snacks, and then said, "I ran into a problem, and I want to use your power to solve it."
Eutinia had just picked up a pastry and was about to bite into it, but she immediately put it back warily. "What?"
"Uh, you eat it. I'm not using you to do anything bad."
Tang En did not know whether to laugh or cry at her wariness, but unfortunately, Eutinia did not respond at all. She just stared straight at him, her deep eyes full of vigilance.
"Okay, then I'll get straight to the point."
Tang En sighed and said, "A few days ago, we went to the Sea of Abyss and dealt with a group of Chaos creatures near the Broken Islands. There was also an ancient deep-sea monster called Leviathan. This deep-sea monster was corroded by a primordial Chaos creature, and that primordial Chaos creature came from the depths of the sea, the Gate of the Abyss inside the territory of the Furious Waves Fishmen. Now, we want to close this Gate of the Abyss."
"You went into the sea?"
"Of course I can go into the sea, but that won't solve any problems. Now, I've thought of a way to use a carrier to send the astral crystal to the Gate of Chaos."
"Detonate?"
"Yes, detonate the astral crystal!"
Tang En snapped his fingers and said, "The power of the astral crystal's explosion is quite impressive. It can directly destroy the space near the Gate of Chaos and completely destroy the Gate of Chaos. Well, although there will be some sequelae …"
Eutinia gently sipped the hot tea and nodded. "It's feasible."
"I know it's feasible because I blew up a Gate of Chaos at sea."
Tang En said with a smile. "There's still a crack in the sky. If you can, can you help repair it?"
Using Eutinia's power, the efficiency of repairing space would be greatly improved. Something that several legendary masters needed a month to do, a real god might only need a casual stroke to solve the problem.
"That's it?"
"It's hard for you to say a few more words. What bothers me is how to detonate the astral crystal."
Tang En looked at the expressionless Eutinia helplessly and patiently explained, "When I detonated it, I used Mage's Disjunction, but I can't transform a legendary spell into a magic array in a short time, and I don't have enough materials to provide the magic power needed for a legendary spell. I want to ask you if you have a solution."
Eutinia understood Tang En's idea. After thinking for a moment, she put down the teacup, raised her finger very cautiously, and wrote a divine rune in the air. After the golden rune took shape, it directly turned into a solid form and was held in Eutinia's hand. She handed the divine rune to Tang En and said, "Put this together with the astral crystal. When it comes into contact with the Gate of Chaos, it will detonate the astral crystal."
"I'm talking to you. If your imagination isn't strong enough, you won't know what you're talking about."
Tang En carefully accepted the divine rune. His body was clearly created by the gods, but when he came into contact with the divine rune, he still felt a very scorching power roasting his soul and body.
That was the power of the gods, a realm that mortals could not touch.
"You're too long-winded."
Just writing a divine rune made Eutinia's face very pale, and she looked a little tired. It could be imagined how weak she was now after leaving the divine realm.
Eutinia picked up another piece of shortcake and stared at Tang En.
[Is there anything else?]
Tang En felt that his imagination had reached a godly level. He could actually tell from Eutinia's eyes what she wanted to express.
"No, no. Oh, by the way …"
Eutinia looked at the shortcake that she had taken a bite out of and glared at Tang En.
Tang En wiped the cold sweat off his forehead. "Well, after the explosion, please help me repair the spatial rifts that appeared later …"
Eutinia didn't say anything this time. She ate the shortcake and drank the hot tea in silence.
In the end, Tang En was the one who was chased out of the room by the awkward atmosphere.
After Eutinia solved the most important problem, it meant that Tang En only needed to solve the problem of the deep-sea torpedo's anti-pressure structure.
Whether the double-layer anti-pressure structure could withstand the pressure of the deep sea, he only needed to make another test subject.
After being chased out of the study, Tang En ran straight to the Magic Engineering Research Institute. He found an empty lab and started tinkering with it.
With his previous experience, he quickly made another model and started the pressure test. This time, the result was very smooth. The deep-sea torpedo was only slightly deformed after withstanding a hundred times the pressure.
The main reason was that Tang En didn't have a professional tool to fill it with high-pressure gas, and it was difficult to accurately control the internal pressure using wind magic. After all, it was very difficult to simulate the deep sea environment when experimenting on land.
But after experimenting for a long time, Tang En patted his head and suddenly came back to his senses.
The purpose of making the deep-sea torpedo was to blow up the Chaos Gate. It was a one-time consumable, and it didn't carry passengers. He only needed to send the warhead to the Chaos Gate to achieve his goal.
As for the space inside the deep-sea torpedo … What's the use of that?
Thicken it!
As long as the outer shell was thick enough, he could guarantee the completion of the mission!
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