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On the stainless steel door, which was intact and smooth just a few seconds ago, a large radial hole two fingers wide was clearly visible.

The edges of the hole were covered with cobweb-like cracks, and the steel plate that had been pierced through it rolled sideways into the cabinet at a strange angle like popcorn that had just come out of the pot.

The front end of the PE barrel of the electromagnetic gun, which is used as a barrel, has turned black-gray, and the burn marks are clearly visible.

Liang Yuan and the two girls stared at each other for a long time, and before they could recover from the shock, several muffled scolding voices came from the Wen Jiàn cabinet.

"Who did this Tm? There's a big group of people in the house, are you going to tear down the house or what?"

The three of them glanced at each other, and hurriedly ran to the vicinity of the Wen Jiàn cabinet, opened the door of the cabinet that had been penetrated, and Liang Yuan only saw that not only the door of the Wen Jiàn cabinet and the cabinet behind it were penetrated at the same time, but also the color steel insulation wall behind the Wen Jiàn cabinet also made a hole two fingers wide.

The workshop that Zhou Heng found for Liang Yuan was the office building of the Administration Department at that time when the Science and Technology Park was preparing to build and open up wasteland.

With the expansion of the scale of the Science and Technology Park, the staff of the Administrative Division has become an administrative department, and the office equipment has skyrocketed, and the office space has become increasingly tight.

After the completion of the gas turbine workshop, in order to alleviate the dilemma of insufficient office space in the administrative office, Li Yuanling moved directly into the newly built gas turbine workshop with Brilliance personnel and handed over the four floors he used to the administrative office.

After the administrative office moved out, the old building was used as a warehouse for storing daily office supplies, labor protection supplies, holiday benefits and other miscellaneous things.

In order to increase the usable area, the administrative department demolished most of the non-load-bearing walls of the building, and made a few partitions with ordinary heat-insulating color steel, which can be regarded as building this simple warehouse.

The so-called color steel insulation wall, in layman's terms, is a fist-thick insulation board sandwiched between two iron sheets, which adults can kick with their feet, and has nothing to do with solidity.

Looking at the big hole in the color steel insulation wall, Liang Yuan was so frightened that he didn't expect someone to be killed. After this electromagnetic cannon guide, there is such a big penetrating force, it is difficult to kill people.

didn't care about scolding people on the other side, Liang Yuan put his head into the Wen Jiàn cabinet and shouted into the bullet hole: "Is anyone injured?"

An angry eye appeared at the other end of the bullet hole, startling Liang Yuan.

Suddenly looking up, Liang Yuan forgot that he was in the Wen Jiàn cabinet, and with a bang, the top of his head slammed into the Wen Jiàn partition. Makes someone grin in pain and gasps.

"You did it? You are really capable, you can make a hole with an electric drill and make the drill bit fly, you almost hurt someone just now, do you know?"

It was obvious that the person on the other side hadn't figured out the situation yet, but as far as the scene was concerned, the thing that looked like a broken drill bit was bare, and it looked very strange. But apart from this reason, ordinary people really can't think of anything that can make such a big hole in the wall.

Hearing that no one was hurt, Liang Yuan's spirit was relieved, and his originally pounding heart gradually calmed down.

"Uncle, uncle, I'm very sorry, I'm very sorry, I'm going to apologize to everyone. Liang Yuan smiled flatteringly.

And the two girls who were a little frightened went out of the room. After turning two corners along the building, Liang Yuan entered the building through the main entrance.

In the corridor, three or four employees of the administrative office were looking around, and saw Liang Yuan and two young girls walking in, beckoning to the three of them, and turned back to the room.

Liang Yuan walked next door to his studio but was startled, there were more than 20 people in a room of hundreds of square meters, all concentrated in the right half of the room, and it seemed that they were receiving something.

On the left side of the room was a hole in the electromagnetic cannon that had just been made, and the aluminum warhead that had caused the accident was unrecognizable on a desk. At first glance, it looks like the discarded iron slag next to the blast furnace of the steelmaking plant, and it is no longer the smooth and neat appearance of a few minutes ago.

Before Liang Yuan could open his mouth to apologize, there were several calls such as "big and young" and "big and young" in the crowd.

For the employees of the science and technology park, Liang Yuan's recognition may not be high, at first glance he looks no different from an ordinary boy next door, but the two girls are simply too easy to recognize.

Twins with such a high degree of similarity, not to mention the science and technology park. Even if it is thrown in Shengjing or the whole province, it is not possible to find similar examples.

With the extension of the establishment time of the Science and Technology Park and the increase in exchanges with local enterprises in Benxi such as the Northeast Locomotive Factory, the childhood sweethearts and messy things that Liang Yuan and the two Loli had when they were children finally spread slowly in the Science and Technology Park.

Even if you haven't seen Liang Yuan. can also be judged from the information obtained from the usual chatting that the young man who can stay with the two girls is undoubtedly Liang Yuan.

"Uh....... ”

Liang Yuan, whose identity was revealed, blushed, and said in a loud voice that he was born with his hands, the first time he operated the equipment, and he was sorry for everyone.

Although no one knew that Liang Yuan was the big boss of Yuanjia, the signboard of Li Yuanling's son was still very effective, and in the eyes of ordinary employees, the shrewd and capable Mr. Li was the boss of the Science and Technology Park.

Just now, the uncle who showed one eye and scolded Liang Yuan angrily laughed, and casually said two words such as paying attention to safety and equipment danger to confuse the matter.

However, when Liang Yuan was about to go out, Xu Xiaohe, the person in charge of the warehouse, asked curiously how the electromagnetic cannon that Liang Yuan participated in the Youth Science Competition was doing.

Liang Yuan's workshop was asked by Zhou Heng for Xu Xiaohe in the name of Liang Yuan's participation in the Youth Science Competition, and there was no need to hide someone's products, Xu Xiaohe asked Zhou Heng casually, and he knew that Liang Yuan wanted to get an electromagnetic cannon.

There are all the human and material evidence, and there is an even worse Wen Jiàn cabinet next door that has not been dealt with, Liang Yuan did not hide the truth, and said with a wry smile: "Aunt Xu, the hole in the wall was made by me with an electromagnetic cannon." ”

As soon as Liang Yuan said this, the air in the room stagnated, and Liang Yuan, who knew that he was wrong, said sorry and bowed, fled with the two girls, and slipped out of the warehouse.

I went to the administrative office to find Zhou Heng to arrange for someone to change the color steel insulation wall, unload the wire coil of the electromagnetic cannon and put it away, and at night I went to the joint venture to have dinner and go shopping with the two girls who were just as weak-hearted, and it was not until nine o'clock in the evening that the three of them wandered back to the 9o9 community.

Liang Yuan opened the door and saw that Li Yuanling was indeed sitting in the living room, looking at the three of them with a straight face.

"Well, Mommy came back so early today. ”

"yes, yes. ”

"It's been a long time since Aunt Liang has come back so early. ”

The two girls also followed Liang Yuan and had nothing to say.

Li Yuanling looked at the three of them like fathead fish who had made a big mistake, and crept into the sand opposite him and sat down. Then put on a look that I was wrong, and you criticized casually, and finally couldn't continue to maintain a strict expression.

Glaring at Liang Yuan with a smile, he said with some hatred: "Jiajia and Fei Fei don't often fiddle with those strange things, I don't know if it's excusable, my mother has told you since I was a child, no matter what you know or what you experiment, safety is the first consideration." You take your mother's words as wind in your ears, don't you?"

Liang Yuan honestly nested in the sand and nodded sincerely to admit his mistake, admitting that he was not thoughtful.

How could the two girls not hear Li Yuanling's tone loose, they came to Li Yuanling's side with a smile, holding Li Yuanling's arm and half-patting and half-coquettish, but as a result, it only took five minutes to fool this dangerous accident.

"Mom. Before I prepared the wire coil, I had used the copper coil to do the number jù reference, according to the number I calculated, the aluminum bar can only barely punch into a coin, how can the effect after changing to the wire coil so exaggerated. Liang Yuan asked curiously.

Li Yuanling thought for a moment and said with a smile: "Xiaoyuan must not have taken into account the loss and heat of the copper wire when calculating. For the capacitance with constant capacity, the loss and heat of the copper wire will consume 3o%-5o% of the energy carried by the capacitor, and the magnetic field strength generated is far lower than the calculated value in the ideal state. ”

Liang Yuan patted his head, and finally realized that the wire rolled by the three of them was one millimeter thick and two millimeters wide, but the maximum carrying current could reach 4oa. It is twice as large as copper wire, and it can be said that the wire rod only uses half of the cross-sectional area of copper wire, carries twice its current and does not have any loss.

After Li Yuanling prompted Liang Yuan, he realized that if the superposition effect of the magnetic field was taken into account, after the coil was replaced with a wire, the power in the capacitor would be almost not wasted, and the penetration capacity of the electromagnetic gun would be increased by at least three times. It makes sense to pierce the cabinet and walls in this way.

"The conductor is a good thing, for example, if the coil inside is all made of wires, the conductive motor the size of a basketball is enough to drive the Hiace van in the Science Park. It's a pity that the research of the guide is like looking for a needle in a haystack without a clue. Li Yuanling said with emotion.

The next day, Liang Yuan and the two girls were busy in the workshop for a day to remove a few pieces of the capacitance of the electromagnetic gun, which greatly reduced the system power of the electromagnetic gun, after all, this thing was taken out to participate in the science and technology competition, not to participate in the arms bidding meeting.

With the current power of the electromagnetic cannon, it is almost enough to catch up with the sniper rifle of the cottage in a short distance, how can Liang Yuan wander around with such a dangerous thing.

In the evening, the three of them went to the canteen of the Science and Technology Park for dinner as usual, but Liang Yuan was strange, and many employees of the Science and Technology Park looked at him very strangely.

After thinking about it for a while, Liang Yuan didn't get the essentials, so he had to put this question aside, and discussed with the two girls to find several materials for testing, and compared the performance with the yttrium-barium copper-oxygen lead coil currently used, and completed the last link in the project book.

"Xiaoyuan, what materials are we looking for for a comparative test?"

"Sister Zhou Qian, who guided us, said that the current guide material will not exceed ten fingers, which one should we use to make a real thing?"

"Neither of you noticed that the premise of Zhou Qian's sentence is that it is a conductive material with practical value, as far as the natural world is concerned, about one-third of the elements can express the characteristics of conduction at a certain temperature and a certain pressure, for example, the first conductor of human beings is mercury, but the transition temperature of mercury is too low to have any practical value. ”

"It can be said that if we find any substance, there is a more than 3o% chance that it can reach the conductive state. Liang Yuan finally concluded.

Seeing that the two girls nodded suddenly, Liang Yuan said with a smile: "Let's go to the physics room or chemistry room of Dongda tomorrow to find five kinds of substances, and then take them back to the guidance center to do real things, if the luck is not too bad, the two materials with and without conductivity should be among them, so that we can complete the last step of the project." ”

After listening to Liang Yuan, the two girls breathed a sigh of relief and said together: "I've been busy for more than half a month, and I'm finally going to finish it." ”

After dinner, the three of them planned to go back early to rest and recuperate for the next day's experiment.

It was still Zhou Heng who drove the sea lion to pick up Liang Yuan and the two girls, but after getting in the car, Liang Yuan felt that something was wrong, and Zhou Heng always looked at himself from the rearview mirror with a smile on his face.

Liang Yuan was curious and asked only to know that the thing he made a hole in the wall had been rumored to have collapsed the wall under the three of them, and now the accident had spread all over the Nanhu Science and Technology Park.

There are even storytellers who have seen the electromagnetic cannon that has blackened most of the pee tubes, and they have given this accident a very appropriate joke - the black-faced black gun Xiaobawang caused a disaster and blew down the wall with one cannon.

Looking at the two girls who were laughing and fell, Liang Yuan sighed helplessly, and said angrily: "Who made up this paragraph, I am not finished with him, young master, I am called wheat-colored and have extremely healthy skin, how can it be described as black." ”

But someone thought about it and was a little happy, fortunately, people in this year are relatively simple, this has to rest on those undisciplined guys in the new era, and there is a good chance that the wall will be blown down into a collapsed bed.