In 1948, the HL cargo ship "Ulangemeiqi" was caught in a storm in the Strait of Malacca. When rescuers arrived, all the people on board were inexplicably dead. Scientists later investigated and discovered that the culprit for their deaths was infrasound caused by the storm and the rough sea.
The frequency of infrasound ranges from 0.0001 to 20 Hz (hertz), a frequency range inaudible to the human ear. The subtle pulsations of various parts of the human body typically range from 2 to 16 Hz, such as 4 to 6 Hz in the internal organs and 8 to 12 Hz in the head. These natural frequencies of the human body fall squarely within the frequency range of infrasound. Once high-power infrasound waves impact the human body, they cause intense resonance, potentially causing harm.
Infrasonic weapons use infrasonic waves with a frequency below 20Hz to resonate with the human body, causing the resonating organs or parts to shift and deform, resulting in damage or even death.
Infrasonic weapons have the characteristics of strong concealment, fast propagation speed, long propagation distance, strong penetration, no pollution to the environment and no damage to facilities. Therefore, they are listed as an important member of the new concept weapon family and are bound to become the new favorite weapon on the battlefield of the future.
Just because of technical problems, infrasonic weapons have never really appeared on the stage. Countries around the world are also secretly researching infrasonic weapons, but there has indeed been no final results. Who knew that Miss Su would give them a huge surprise, no, it can also be called a shock!
"Xiao Su, have you really developed infrasonic weapons?"
It’s not that they haven’t researched sonic weapons, but due to various reasons, the progress on sonic weapons has been stagnant. Xiao Su is really a lucky star for their Xia country!
"If you don't believe it, we can go outside and test it out!"
"No, no, no, we believe you, we definitely believe you!"
They naturally believed in Su Leyan's abilities, but they were too surprised.
"Captain, with sonic weapons, our pressure on dealing with the millions of zombie hordes will be greatly reduced. We should put this matter on the agenda as soon as possible without delay!"
"Yes, we need to act quickly. Who knows what those zombie hordes will do next!"
Over the past six months, they have managed to stabilize the situation, and they cannot allow the zombie army to disrupt their current situation.
And sooner or later there will be a war between zombies and humans, it is just a matter of time.
Zombies evolve faster than humans, and now something unexpected has happened, so they must act in advance.
"Xiao Su, take a look at what materials are needed to make sonic weapons. Make a list and we'll prepare them for you. If the Dawn Base doesn't have them, I'll go find Mr. Lu and make sure to make the sonic weapons as soon as possible!"
"no problem!"
"Xiao Su, can we old guys follow you while you're making it?"
"sure!"
Su Leyan nodded indifferently. To her, sonic weapons were not some kind of black technology. Even without her, they would be able to figure it out if they were given a few decades.
Hearing Su Leyan's words, several old experts were overjoyed. After the meeting, they followed Su Leyan directly to the laboratory. Soon, Zhang Jianguo sent all the materials over.
Not only weapons experts, but also Professor Zhou and others came to participate. Although they are not weapons experts, they are all top physicists. With their participation, the speed is naturally very fast.
However, in order to take care of several old experts and professors, Su Leyan deliberately filled the steps.
Several old guys discussed privately that Su Leyan alone can support the scientific research capabilities of an entire country. You can imagine how strong Su Leyan's ability is!
Although the survivors of the Dawn Base did not know what had happened, when they saw the military packing their luggage, they had some guesses in their minds and were not afraid. After all, the base had an energy shield and the zombies could not get in, so they were still safe.
However, some people are still worried. It seems that this is going to be another big war!
"Su Yan, do you know what happened at the base?"
"have no idea!"
"I always feel like something big is going to happen, why don't you ask your brother?"
"Even if I asked, my brother wouldn't tell me!"
The army has strict discipline. How could her brother tell her such a thing?
"Why not ask Captain Xiao?"
Chen Liang's eyes lit up. His uncle was still in the management of the base and was highly regarded by the higher-ups. He should know something. He didn't touch Xiao Ze beside him.
"Cousin, why don't we ask my uncle?"
"My dad is very busy now and not often at home. I may not be able to find him!"
Everyone nodded in understanding. Captain Xiao had been helping Su Leyan manage the base from the beginning. Later, when the army arrived, although Xiao Hongfu was no longer the top leader, his status in the base was still not low. He was so busy every day that it was not certain that he could find anyone!
Everything in the base remained the same as before. With the troops coming in and out, the survivors still felt a sense of impending storm. No one went out to hunt zombies, but instead hid in the base.
Since the higher-ups didn't say what the matter was, they didn't ask and just stayed there quietly!
In the end, the Gale Team did not get any information from Xiao Hongfu. It seemed that this matter was still kept secret, but they always felt that this time it would not be too simple.
"How about we go ask Sister Su?"
"You forgot, my dad said Sister Su is very busy right now and can't take care of us at all. If we go there now, we will just cause trouble!"
“That’s right!”
Chen Liang touched his chin. If they were just left waiting here, they would be worried. They didn’t know what was going on this time!
"So what do we do now?"
"Don't leave the Dawn Base for the time being. Wait and see if there's anything we can do to help!"
"Can!"
There is obviously something wrong with this time period. As a famous team of psychics at the Dawn Base, it would be better for them to stay at the base just in case.
After discussing it, the few of them went straight back to their team's gathering place and kept an eye on the developments in the military region.
On the other hand, Zhou Ying, who had lived in the Dawn Base for ten days, was also very nervous. The Dawn Base was suddenly under martial law. If you didn't know, you would think you were discovered.
This time she learned her lesson and did not let the system take action. The last time she entered the Dawn Base, she let the system cover up her genes. Unexpectedly, in just a brief moment, a data virus tracked her down.
If the system hadn't reacted quickly, it would have been really bad. This is why Zhou Ying didn't dare let the system scan the Dawn Base!
If 666 had not been in the process of upgrading, the last wild system attack would have been exposed, and the data virus was the work of Su Leyan.
The moment the wild system appeared, Su Leyan received an alarm and immediately took action, but it eventually escaped.
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