Few people may know that in the history of human scientific development, there are many scientific discoveries that have been advanced by human unintentional discoveries. One of the more pivotal discoveries here is the story of Sir Fleming's discovery of penicillin.

Biology has strict rules for the operation of experiments. In order to avoid the interference of bacteria and other organisms, disinfection procedures are generally strictly implemented at a certain stage of the test. The so-called strict disinfection procedure means that all test utensils and utensils must be cleaned and guaranteed that no microorganisms will multiply on them for a specified period of time.

Sir Fleming, on the other hand, had not done a good job of disinfecting himself or his assistants, and when he came back from his outing, he found that the petri dish he was going to use was covered with a kind of mold. And when he was very dissatisfied with this, he unexpectedly found under the microscope that around the petri dish where mold had grown, there was no common bacterium, which was also staphylococcus. Fortunately, Sir Fleming did not give up on the investigation of this experimental phenomenon easily, and he discovered one of the most important discoveries in modern human biology, that is, the broad-spectrum antibiotic penicillin.

And Peng Weining's unexpected words, although they will not have the same power as Sir Fleming's discovery, but for these people who are struggling to find the reason why the fully automatic rifle does not work properly, it is like an enlightenment, it can be described as a thunderclap on the ground.

So although Peng Weining was not prepared for the effect of this sentence and was very surprised, the researchers of the technical school did not care about Peng Weining's boredom on the side. They have already followed Peng Weining's words and pursued them in that direction.

Old man Zhao Manhong is no longer as often out of the situation as he was at the beginning. He regained control of the subject. The old man asked Liu Yihao: "What signal is your current sensor tracking?" ”

Liu Yihao replied: "What we are tracking is the infrared signal." This was decided when the project was established. Because at that time, Shen Yiyi said that the purpose of this machine gun was to kill and injure the enemy. And considering that people still have hidden camouflage, they directly go to the infrared signal. ”

Old man Zhao Manhong patted his thigh: "That's right!" That's the problem. Let me ask you, do you have any other optical sensors besides this infrared sensor? ”

Liu Yihao thought for a while: "This seems to be really nothing." Because when the project was originally planned, the structure of this machine gun was set to be as simple as possible. So since having an infrared sensor can already do a good job of finding the purpose, we don't add any other sensors. In fact, if there are more sensors, it is easy to cause interference. ”

Old man Zhao Manhong nodded. He already knew what had gone wrong. He said to a few classmates around him, of course, plus Peng Weining, who had just enlightened everyone: "Look. This machine gun of ours was originally designed and built to maximize the damage to the enemy. But when we came to shoot today, we couldn't have a real person test for us. The target used for the test was not considered a target by your machine-gun-mounted sensors. So don't shoot at first, that's normal. If you don't shoot, that's a problem. ”

Man is a living being. And living things, especially mammals, emit heat. If you use infrared imaging sensors to observe, all living beings with temperature can be easily distinguished from their surroundings. So Shen Yi's plan at the beginning was not wrong. Moreover, all the vital parts of the human body have an animal that has a relatively high temperature. The infrared light waves emitted by the higher temperature parts are stronger. In this way, if the infrared sensor is used to track, the lethality can also be maximized. It can be said that for the first generation of Chinese robots with combat capabilities, this design is very good and effective.

However, the problems that everyone encountered on this proving ground were precisely caused by the advanced nature of this design concept. This infrared sensor can certainly find the killing site very accurately and effectively. However, this weapons test site did not provide conditions for testing such weapons. Therefore, the target used for shooting is itself an inanimate thing, and there is no infrared light emitted on it that resembles a human body that can be captured by an infrared sensor. So the target was not found in the whole system at all, how could it be possible to fire a bullet?

After listening to Mr. Zhao Manhong's inference, everyone present felt that this was really the case. The performance of this entire system has been touched several times, and no defects have been found until now. The sensor matching problem that has now been discovered is a hypothesis that best explains the current situation.

Liu Yihao also patted his head, and said with some annoyance: "Oh, I knew that we would install another optical sensor at that time." In fact, the technical difficulty is not great. It's just that this infrared sensor doesn't seem to need to be mounted on this firearm for testing. This was a big mistake on our part. The content of the preparation does not match the questions of the exam. This is really a low-level mistake. ”

Liu Yihao's regret is real. And he once again gave full play to the inductive rules of his usual exams as a Tsinghua scholar, and gave a footnote to the troubles encountered in the live shooting test this time. But his exclamation was opposed by the old man Zhao Manhong.

Mr. Zhao has a lot of opinions about the statement that infrared sensors should not be installed in the system under test. He wanted to throw Liu Yihao's erroneous concept back on the spot.

"Your thinking is dangerous." Old Man Zhao said, "This configuration for testing should be the same as the configuration you have in actual combat." If not, it means that the weapons you will hand over to your fighters in the future have not been tested as they should be, and there is no guarantee that they will perform exactly as they should in a combat environment. That is irresponsible for the lives of our fighters. You can't do that. ”

The old man is very disgusted by cheating. So Liu Yihao's words accidentally hit the muzzle of the gun. Fortunately, after Liu Yihao said it, he also remembered the old man's consistent requirements for himself, and he had already found something bad in his heart. At the first time after the old man solemnly pointed it out, Liu Yihao did not forget to admit his mistakes.

"Slip of the tongue. That's what I said casually. Liu Yihao begged for mercy from Old Man Zhao, "You also know that I am a little anxious in my heart." We can't afford to be here anyway. We need to find a way to get our tests done as quickly as possible. Otherwise, it would be impossible to find a few big living people to test the lethality for us, right? ”

"That's not going to work either. That's not the way it should be! Old man Zhao Manhong still stared at Liu Yihao and strictly demanded Liu Yihao, "If you have such a thought casually, then maybe when you will think about it in the future, and then find a reason for yourself, and finally carry out such an act." And that's where you start making mistakes. So there must be no such thoughts! ”

Liu Yihao took a look, yes, this old man is still unforgiving. Of course, he didn't dare to talk back to the old man, but he nodded yes here with a good attitude, acting like he would change his past in the future.

Only then did Old Man Zhao let go of Liu Yihao's mistake with a little satisfaction. However, the old man also understands that the problems that Liu Yihao pointed out before everyone are really trying to find a way to solve them in a hurry. Not to mention anything else, just to say that so many leaders and brains in the military region are present today, if this fault is not properly resolved today, his position in this military region may also be dangerous in the future. At that time, people will not care about your infrared sensor mismatch, but think that you, an old expert who has eaten for decades, are nothing more than that. It turns out that there are problems that you can't solve. Such an idea is a big disservice to him, an old expert who has always relied on technology for his livelihood.

"The problem you're talking about is really a problem." Old man Zhao said to a few children, "I see, although the infrared sensor has indeed encountered some challenges now, we still have to think of a way, is there any way, can be used now." You have to let the control system identify those targets. That is the solution to the current impasse. ”

Old Man Zhao's analysis can be said to be in harmony with Liu Yihao. Liu Yihao was also thinking about how to make those control circuits recognize the target as soon as possible. In the case of infrared sensors that are not working, this is really difficult.

Over there, Liu Qian suddenly said to Liu Yihao and Zhao Manhong, who were distressed: "That...... I have a way to ......"

When Liu Qian said that he had a solution, the eyes of the old man Zhao Manhong and Liu Yihao, and of course, the other people present suddenly focused on him. This made him really uncomfortable. What I wanted to say was immediately choked back. However, Liu Yihao couldn't help urging even more: "Liu Qian, don't sell it, if you have any good ideas, say it quickly." We don't have much time. ”

Although he was not very sure about the validity of his ideas in his heart, at the request of Liu Yihao, Liu Qian still had a heart and told everyone his thoughts. And this made everyone uproar all of a sudden.

"That...... In fact, infrared sensors are not impossible to detect targets for shooting. Liu Qian said to everyone, "Because the essence of the infrared sensor is still a light sensor, but the ordinary light sensor senses visible light, while the infrared sensor senses invisible light." So theoretically, the infrared sensor will not fail to find the target. ”

The situation Liu Qian said is actually a fact that everyone ignores intentionally or unintentionally. Infrared sensors can detect conventional targets, but conventional targets cannot be fully utilized. Perhaps misled by the name, there is a consensus that infrared sensors cannot detect light outside of infrared. This is now the time to correct this thinking.

Liu Qian's statement can be said to remind everyone. In fact, at this stage, it is not necessary to change the sensor for detection. In fact, with a lack of tools and so many onlookers on site, replacing the sensor is not the best option. Because new components don't work right away. In general engineering projects, the commissioning of new components after installation is also a very laborious matter. So everyone agrees with Liu Qian's judgment. It's just that judgment is not enough, there must be a method.

Liu Yihao asked Liu Qian: "But how can the system recognize the target?" Even if the infrared sensor can identify the target, at least let the control unit know that the target is recognized, right?! ”

Yang Qiu on the side stood up at this time: "In that case, we can change the identification procedure." In fact, it is necessary to adjust the sensitivity set in the program. After sharpening the image data transmitted by the sensor and turning up the resolution, there should be a good chance that the target will be found. ”

At the end of the project, the team spirit was restored. Several people with different knowledge and skills are responsible for different work contents, and they work together to contribute their new knowledge to the success of the project.

Liu Yihao asked Yang Qiu: There are no computers or circuit boards here, how do you want to identify the program? I'm afraid you don't have this tool either, do you?

Yang Qiu scratched his head a little embarrassedly: "Actually, I designed one more switch when I designed the circuit at the beginning, and you didn't notice it." With a single flip, the state of the entire system can be changed to a state of high contrast and high definition. There's no need to debug anything else at all. ”

Yang Qiu's words were a bolt from the blue for everyone else. Everyone didn't expect that before they knew it, Yang Qiu actually added new functions to the machine gun. This is done right under everyone's noses. However, everyone doesn't have the energy to investigate when Yang Qiu did such a big thing behind everyone's back.

Old Man Zhao said directly to Yang Qiu: "In that case, what are you still doing?" Hurry up and switch to high-resolution and high-contrast mode. You dial it in and we can check that our machine guns are up to the design. (To be continued.) )