Rebirth of the Evil Life
Chapter 5503 Decibel
action!
Once the veterans of the Huaxing Society, or 'Wolf Fang', start to act, it will be like a pack of wolves looking for food. Approach silently, reveal those sharp fangs at the most opportune moment, and deliver the most fatal blow to the enemy.
The backbone of Huaxing Society are all veterans from ‘Langya’. Besides guns, what they are best at is concealed weapons, China’s concealed weapons!
Wang Meng is good at Tiedanzi, so the kung fu masters in 'Langya' are all good at using hidden weapons. Of course, everyone's choice of concealed weapons will be different based on their own conditions. For example, iron balls, which are steel balls, require extremely strong finger strength, which is not something ordinary people can do. Therefore, each warrior chooses different hidden weapons according to his own conditions, including throwing knives, darts, etc.
As for why concealed weapons are chosen, it is because under certain special circumstances, even silenced weapons cannot be absolutely silent. Of course, to be precise, silent pistols should be called silent pistols.
A silencer sleeve is installed on the barrel of the pistol, and the front half of the silencer sleeve is equipped with a tightly rolled silencer wire mesh. When the bullet is fired, the high-pressure gas ejected from the muzzle does not expand directly in the air, but enters the silencer screen. Most of the energy is absorbed and consumed by the silencer screen. When the remaining gas ejects out of the sleeve, the pressure and speed are very low. If it is low, the sound will be very weak. Moreover, there are some air holes in the rear half of the silencer sleeve to reduce the instantaneous air pressure when the bullet penetrates.
Finally, the silencer sleeve ensures that the sound of the bullet exiting the barrel does not exceed 80 decibels. As for what level 80 decibels is? The human body needs a quiet environment when sleeping normally. 0 to 40 decibels is a relatively quiet normal environment; more than 50 decibels will affect sleep and rest. If it reaches more than 70 decibels, it will interfere with normal conversations between two people, cause upset, lack of concentration, affect work efficiency, and even cause accidents; long-term work or living in a noise environment above 90 decibels. It can seriously affect hearing and lead to the occurrence of other diseases.
How loud are the common noises in human life?
0 decibels: The sound of a mosquito flying about 3 meters away is 0 decibels. The human ear cannot detect it at all. So, let’s say a mosquito bites you. You can't perceive it through sound waves at all.
And a very quiet room is when the doors and windows are closed tightly at night. There are no vehicles passing by outside, and the human voice is 10 decibels. This world, to the people in the room, is completely silent.
A little higher, the buzz of a light bulb, is 13 decibels. If you put your ear against the light bulb, you can hear the buzzing sound more clearly. certainly. Normally, no one would do this because they would get burned.
In Chinese language classes, there is usually a metaphor like this - the scene was so quiet that a pin dropped to the ground.
Everybody can hear it. So, what is the decibel of a pin dropped on the ground? 15 decibels! The sound of a pin falling from a height of 1 cm from 1 meter away. Therefore, in fact, such metaphors must be scientifically rigorous. is inappropriate. Because you can't even hear a pin drop.
When thinking about the countryside, the beautiful images of the moonlight over the lotus pond and the chirping of frogs and insects come to mind. And such a pleasant countryside night. It is 20 decibels. Therefore, the human body can easily fall asleep at night in the countryside.
It’s 20 decibels at night in the country, but what about at night in the desert? How many decibels will it be? Will it be quieter than a country night? No, the decibels at night in the desert are as high as 30 decibels. Because the sound of wind in the desert and the rolling sound of sand grains will produce slightly higher noise than in the countryside. Of course, with only 30 decibels, the human body can still fall asleep quickly.
And what is the sound of normal conversation among us humans? 40-60 decibels, except for some people who are born with extremely loud voices. The decibel level of a normal person's conversation is 40-60, but this sound is not loud. But it is enough to affect a person's normal sleep.
So, how loud is the sound of the washing machine that everyone often hears? 50-53 decibels. This sound is considered to be within the acceptable range of the human body and has not yet entered the level of noise pollution.
What about cars? Usually when we think of cars, we think of noise. Normally, when a car passes by, the noise caused by a car passing 10 meters away is as high as 60-80 decibels, which usually exceeds the maximum noise level that the human body can accept.
As for what is the maximum noise that the human body can tolerate? 70 decibels! This is a watershed, beyond which the human body finds it difficult to tolerate sound levels. And what are the daily tools that usually reach this level? The sound of a vacuum cleaner working about 3 meters away. This sound is basically the limit that the human body can tolerate. No matter how big it is, if it continues, it will cause hearing loss, sleep disorders, anxiety, learning disabilities, etc. in the human body.
Therefore, when a large bus or truck passes by the human body usually 3 meters away, the sound is unbearable and makes people feel upset. Because that sound level has reached 90 decibels. Of course, when the food mixer at home is turned on, its decibels are as high as 90 decibels, which is why the family cannot bear it.
Of course, there is another noise in the home that is unbearable for the human body, and that is the maximum volume of ordinary home audio equipment, which can be as high as 100 decibels. This volume is also unbearable for the human body. As for why it sometimes feels so wonderful when turned on to the maximum? The reason is that when you listen to music, the beautiful sound makes you intoxicated, and your brain automatically filters out a certain amount of noise so that you cannot feel it in a short period of time. But if you listen to music at maximum volume for a long time, you will find that your hearing declines sharply. The best proof is that if you change a song that others think sounds good but you don't, you will instantly think it is noise.
When the sound wave reaches 104-107 decibels, no matter what music is played, the human ear will begin to feel pain. This is an extremely uncomfortable sound.
The sound of a jet engine 100 meters away is as high as 110-140 decibels. When hearing the sound of a jet engine, I believe many people will find it extremely harsh and irritated. Because this is already a sound that the human body cannot bear.
So how much noise pollution is there when listening to a rock concert? 120-130 decibels, no less than the noise pollution of jet aircraft. Of course, this is only the first row of a rock concert. This is why many fans who sit in the front row to enjoy rock concerts have tinnitus in their ears for the next few days. If you often sit in the front row and listen, basically speaking, your chance of hearing loss is much higher than that of ordinary people.
So, what is the loudest scream a human can make? At 128 decibels, this is the loudest scream ever recorded by humans. And this scream can already directly cause tinnitus in the human body.
Of course, at this level, there is no harm to the human body unless it is exposed to the noise pollution source for a long time. But when the decibel reaches 140 decibels, even a brief sound can cause hearing damage, accompanied by a feeling of nausea and vomiting. Ordinary pistols will make such noise when fired at close range to human ears.
As for the 1 Garand rifle fired from 1 meter away, its decibels are as high as 168 decibels. Within a range of 1 meter, you will be temporarily deafened in an instant, and may be accompanied by lifelong hearing damage.
If 1 ton of TNT explosive explodes 75 meters away, it will generate a sonic attack of up to 175.8 decibels. Humans within this range are basically completely hearing impaired, which is unstoppable and irreversible.
And what about higher decibels? For example, if it explodes within 1 meter, what is the decibel? 192.8-194.7 decibels. No matter what explodes, no matter how close the distance is, the maximum decibel is only 192.8-194.7 decibels. Because this is the maximum intensity of sound that the earth's atmospheric pressure can theoretically propagate. No matter how high it is, it can only be so high. Of course, if it reaches this decibel, the eardrum will be shattered instantly.
Therefore, for the 'Langya', the silencer of the silent pistol, which is less than 80 decibels, cannot meet their requirements. Especially for well-trained special forces, they can hear the unique sound of bullets coming out of the chamber in a noisy environment. Therefore, ‘Langya’ chose to use a hidden weapon.
The sound of a concealed weapon entering the human body will not exceed 30 decibels. This sound will hardly attract the attention of others unless it is in an absolutely quiet environment.
When Tang Feng announced the action, the backbone of the "Huaxing Society" led by him began to massacre the Colombo family. Although the five major Mafia families in New York are opposed to each other, they are also united in facing the outside world. If the news that his Huaxing Society raided the Colombo family were leaked today, then Huaxing Society would suffer crazy revenge from the other four major mafia families in New York. This is detrimental to the development of Huaxingshe. At this point, even if Lin Feng allocates all the 'Spike's' to him, it won't work.
Because this is not Africa, this is New York.
Therefore, tonight's action must be to eradicate the roots and leave no one behind! As for humanity, Tang Feng has always believed that the underworld does not need humanitarianism. Only when they die will the society be more peaceful.
"Puff", "Puff", "Puff"... the constant sounds of hidden weapons entering the body. The defensive strength of the Colombo family was useless to Tang Feng and others. Of course, the reason why they were able to invade so easily was because they caught the Colombo family by surprise. The Colombo family never expected that someone would come to trouble them tonight. You know, they just cooperated with us! (To be continued)
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