Above zero 100℃ or below zero 100℃, which is more terrible?

Life on earth, especially the adaptation of human body to environmental temperature, is the result of long-term "tailoring".

Compared with other planets in the solar system, the earth's climate conditions are good, with an annual average temperature of 15 degrees Celsius, and the lowest record is -89.2 degrees Celsius.

The highest record is 57 degrees,

The earth's temperature has maintained a relatively stable range for billions of years, and the temperature difference generally does not exceed the limit of life tolerance.

The so-called tailor-made means that life is to tailor its own adaptive clothes according to the "body" of the natural environment. Here, the natural environment plays a decisive role, and only when living things adapt to the climatic conditions can they strive for their own living space.

So how do creatures cut themselves? Take warm-blooded animals as an example.

First of all, warm-blooded animals need very harsh constant temperature conditions to maintain their metabolism. It's 37 degrees for people and 42 degrees for pigs and dogs. When the body temperature is 3 to 5 degrees higher or lower than this standard, he (it) becomes ill.

What do we do? Long hair, gain weight, dress, sweat and stick out our tongues!

Long hair. Thick hair is a good temperature difference insulator, and animals can use hair to resist the cold within MINUS 30-40 degrees.

Get fat. In a cold environment, fat can play the same heat insulation role as hair, so polar bears, seals, walruses and penguins living in cold areas are chubby. It is precisely because of the thick fat accumulated under the skin that they can live leisurely in the ice and snow.

Get dressed. This is a patent for people. It turns out that people are long-haired like other animals. It is because people want to love beauty and hide their shame that they put on clothes tens of thousands of years ago. The problem is that the clothes don't matter, they are covered with hair. From then on, clothes can no longer be taken off. Fortunately, clothes can play a more effective role in keeping out the cold than hair, and people can really be happy.

Sweating. When the weather is too hot or the exercise is hot, people and animals will sweat to cool down. This is a very effective method. When sweat evaporates, it can quickly take away excess heat from the body.

Stick out your tongue. This is a dog's patent. Dogs have underdeveloped sweat glands and seldom sweat. On a hot day, you have to stick out your tongue to dissipate heat. (chicken: protest! This is not a dog's patent. Haven't you ever seen me stick out my tongue when I'm hot? )

Well, with all this talk, it seems that we haven't touched the subject yet. The subject asked which is more terrible: above zero 100 degrees or below zero 100 degrees.

The conclusion is at the end: for life, of course, 100 degrees is even more terrible!

Because, when the temperature reaches 100 degrees, any life will die in a few seconds!

In the environment of MINUS 100 degrees, people or animals can resist for a while with just a few more quilts.

It is also conceivable that in summer, when the temperature rises to 37.8 degrees, people will feel extremely hot. If it goes up again 10 degrees, it will be absolutely hot!

But in the coldest winter, when the temperature is zero, it feels very cold. A few degrees lower, it's still cold, such as 10, minus 10, minus 20, minus 30, minus 40, but people can still bear it. Just wear thick clothes and close the door to keep warm.

Therefore, cold is better than heat, and heat is more terrible than cold!

100℃ and-100℃ are extreme temperatures, and 100℃ is more terrible than-100℃. The fatal point of extreme temperature is that extreme ambient temperature will affect the balance of heat generation and heat dissipation in human body. Although the human body has a thermoregulatory center, its regulation is limited. Once the limit is broken, a large number of functional protein in human body will fail.

Too high temperature, denaturation and inactivation of protein, too low temperature and decreased activity of protein will directly affect normal physiological function and metabolism. Specifically, above zero 100℃. Can people live in an environment of MINUS 100℃? Yes, but it won't last long, and it must be in a dry environment. 1774, the British doctor Charles Bradgen made an experiment. The experimenters stayed in a room with dry air at 127℃ for eight minutes, and they felt pressure in their lungs and emotional anxiety. Everyone thought they might die if they stayed any longer, so they came out.

In fact, everyone … should have a deep understanding of the torture caused by high temperature every summer, but the extreme temperature in summer is only over 40 degrees, which is far from 100℃.

Man is a warm-blooded animal. If the ambient temperature is too high, it becomes difficult to dissipate heat through the skin, and heat can also be taken away through sweating. However, if there is high temperature and high humidity at the same time, the road of sweat evaporation and heat dissipation is also blocked, and the heat in the human body cannot be released. In severe cases, organs and nerve centers in the body will be damaged. The limit of this body temperature is about 46.5℃.

Let's start with negative 100℃. In the extremely low temperature environment, if people can't keep warm, dissipate too much heat and keep their body temperature, they will be in a coma, have abnormal heartbeat and even die.

But in general, no one will stay in the extremely cold environment without wearing anything, and they can keep warm through their clothes. This makes human beings will not die in the environment of MINUS 100℃ In fact, some places on the earth are known to be inhabited. Although the temperature is not as low as-100℃, it is close to -70℃.

In Oymyakon, Russia, the lowest temperature recorded in winter is-67.7 degrees Celsius. Living here is basically wrapping yourself in a ball all year round, and your eyelashes will freeze out in minutes as soon as you go out ~

But it also shows that as long as you keep warm, you can survive at MINUS 100℃ ~! To sum up, the degree of terror is humid environment 100℃ >: dry100℃ >: > & gt& gt- 100℃~ In the natural state, both are terrible, because both represent death.

According to scientists' experiments, in the natural state, the extreme environmental temperature that human beings can bear is about 120 degrees Celsius, but they can only live for 12 minutes. It can only survive for a few hours at MINUS 30 degrees. It can be seen that the environmental temperature of the living space of animals and plants above the surface cannot exceed 100℃.

Of course, with the development of science and technology, the birth of temperature control clothing, the creative ability of space; In the face of extreme temperature environment, human beings can also live well. At present, the extreme temperature difference environment faced by human beings going to space, landing on the moon and even going to Mars in the future can be solved by a spacesuit.

If one day, the earth leaves the predetermined orbit of the solar system, there are two possibilities: first, because of the gravity of the sun, the earth is dragged aside to burn and annex. Secondly, when the earth is running at a high speed, it suddenly goes out of orbit, is thrown out and flies to the distant world. The appearance of both means that the civilization created by human beings has disappeared.

For nature, it doesn't matter. For people, both are terrible. If I had to choose one, I would definitely choose MINUS 100℃, and at least I could keep one whole body.

In fact, both high temperature and low temperature will pose a threat to life, but the damage caused by high temperature is irreversible to a large extent, and the damage caused by low temperature is possible to recover.

Hand burns always leave scars, but frostbite doesn't.

You know the knowledge of enzyme activity in biology class. The activity of the enzyme is very low at low temperature, but it is not a low problem at high temperature, and the enzyme directly loses its activity completely. If heating in low temperature environment is slow, the activity of enzyme will increase. But the enzyme is at a high temperature at first, and even if it is cooled down, its activity will not reach the peak again, because the enzyme is dead.

Why is this happening? Because the essence of temperature is the embodiment of the movement intensity of microscopic particles. No matter what object it is, it is composed of atoms, molecules and other particles.

If the temperature of an object is very high, it means that the microscopic particles it contains are moving violently, then the molecules that make up the object gain more kinetic energy and improve the probability of collision. The higher the temperature, the more intense the movement, and the molecules may recombine after colliding with each other, resulting in changes in chemical properties.

And low temperature can at least ensure that the chemical properties of the substance remain unchanged. This is why the essence of substance combustion is chemical reaction. High temperature destroys the atomic structure of matter, so there is no possibility of recovery.

Having said that, you may understand why some people freeze their bodies and wait for the development of science and technology to thaw them in an attempt to prolong their lives.

Although we don't know whether thawing the human body can revive people, at least the cells, DNA and organs in this human body are intact.

If I had a choice, I would rather choose low temperature than high temperature! Warm.

According to the description of the problem, if the earth is out of orbit around the sun, the temperature in the western hemisphere and the eastern hemisphere will not be above zero 100 degrees Celsius, nor will it be below zero 100 degrees Celsius. When the earth goes out of orbit, either the earth falls to the sun, causing the global temperature to rise and the earth to be scorched; Either the earth is far away from the sun, causing the global temperature to drop and the earth to freeze.

In fact, the temperature difference between the eastern hemisphere and the western hemisphere can reach 200 degrees without going out of orbit. As long as the earth's atmosphere becomes thin enough, we can refer to the situation of the moon. The moon is almost vacuum and the temperature difference between day and night can reach 300 degrees.

But in any case, whether it is MINUS 100 degrees or MINUS 100 degrees, it is fatal enough for human beings. Generally speaking, when the temperature exceeds 45 degrees, human beings will not be able to survive in this environment for a long time, and protein in the human body will undergo irreversible degeneration, which will eventually lead to brain death.

However, in an extremely dry environment, the human body can withstand the temperature of 100 degrees in a short time, which is estimated to be half an hour. If the environment is changed to liquid, such as water, the human body can't bear it. However, there are some extreme microorganisms on the earth that can withstand extreme high temperatures. For example, water bear worms can survive at the high temperature of 150 by dormancy.

In the low temperature environment, the human body is unbearable. The coldest place where human beings live, the temperature is about MINUS 30 or 40 degrees. If the temperature is lower, the human body will soon have hypothermia, and the organs will not work normally, which will soon lead to death. But at low temperature, some organisms can survive by dormancy, such as bacteria living in polar regions.

In addition, because low temperature will not cause permanent degeneration of protein, we can use this principle to develop cryonics technology, and use liquid nitrogen with a temperature of only-196 degrees to preserve the human body. With this technology, people who are terminally ill at present can go to the future for treatment, and human beings can also realize distant interstellar travel.

MINUS 100 is estimated to continue for some time. 100 barbecue above zero. Have you seen it? Squeak and sprinkle some cumin.

One can freeze to death and the other can burn to death. In all fairness, both are terrible, but human beings are far more resistant to cold than high temperature. After all, humans have learned to wear clothes to keep out the cold for a long time.

The lowest natural temperature on the Antarctic surface is MINUS 93.2 degrees Celsius, but if human beings are fully prepared, there is no problem living there. However, if the temperature in a place reaches 100 degrees Celsius, then human beings will have to go out with air conditioning on their backs, and normal production and life will certainly not be possible.

If one day the earth slowly stops rotating and continues to revolve around the sun, one side of the earth will be completely illuminated by the sun, while the temperature on the other side will drop day by day, but the temperature at the junction of low temperature and high temperature of the earth will be very suitable for human survival. By then, all mankind can be distributed around the "warm zone" of the earth, without worrying about the lack of space. You know, the area where all mankind stand shoulder to shoulder is only as big as a small county, and the "warmth" around the earth is there.

Although human beings can survive, other animals, plants and microorganisms on the earth will die. By then, the earth's ecosystem except the warm zone will be completely destroyed by high temperature and cold. At that time, the biggest threat facing mankind will be the collapse of the earth's ecosystem.

Whether it is a Baidu on zero or a Baidu on zero, it is a bad living environment for human beings, but it is far from extinct human civilization. After all, we humans are the only intelligent civilization on earth.

The next Baidu is even more terrible, and it is impossible to be an enemy of the cold. At 100 degrees, heat can be used to generate electricity, and electricity can be cooled by a cold fan or air conditioner. Less than one degree below zero, zero water freezes. Now 1 1.8, Sanya people wear light clothes and Heilongjiang people wear cotton-padded clothes. Africans can wear short-sleeved clothes and pants. Russians wear leather clothes, leather clothes and cotton-padded clothes. Temperatures above zero can be used as energy, and temperatures below zero cannot be used as energy. So 40℃ heat can be used to generate electricity, while -40℃ cold can't be used to generate electricity.

Personally,-100℃ is even more terrible.

Why do you say that? Because according to relevant scientific experiments, human beings can live in the air at 1 16 degrees Celsius for nearly 10 minutes, and it will definitely last longer at 100 degrees Celsius. Of course, the premise is that this air is dry air, and humans can lower their body temperature by sweating. So in this way, a person should be able to persist for a short time in the normal environment of 100 degrees Celsius.

In fact, the working environment temperature of some jobs can easily exceed the highest temperature in nature. For example, some welders in confined spaces, factories with a large number of machines, and vehicles exposed to the sun in summer. But workers can still stay there for a long time. The main reason is that they can take away excess heat in their bodies through sweating. Therefore, it is very important for people working in these environments to supplement water and salt. As long as sweating can keep the body temperature at a normal level, the human body will not have much problem.

It's hard to say that the temperature is low. Almost everyone has never experienced the feeling of MINUS 100 degrees Celsius, but first of all, MINUS 100 degrees Celsius definitely needs extremely thick and warm clothes to resist its cold. First of all, it has suffered in terms of whether there are clothes to choose from. Secondly, there is no doubt that exposed skin will be severely frostbitten. Fingers can choose to wear gloves, toes can choose to wear shoes and lips can choose to wear masks. What about the eyes? If it is completely wrapped, what is the comparability?

In fact, I think the most important thing is that people must breathe, and the air at MINUS 100℃ is very different from people's normal body temperature, so it is possible to freeze the lung surface and even the alveoli at the moment of inhalation. In this case, people can only be suffocated alive. 100℃ air is harmful, but the problem is not so serious, and it may even be simply discomfort.

Finally, I want to say that since it is a comparison, there can only be one variable. If you don't wear clothes, can that person bear 100 degrees Celsius 10 minutes? Almost impossible. If everyone wears clothes, they can keep warm at the same time, and the difference between human body temperature and 100 degrees Celsius is smaller, which may last longer. So, in any case, MINUS 100 degrees Celsius is more dangerous.

Pay attention to "Zhang Xiaojia II" and see more exchanges among astronomy enthusiasts ~

It's easy to reach 100 degrees Celsius above zero and 100 degrees Celsius below zero, but it will be a disaster for mankind if it is 100 degrees above zero in the eastern hemisphere and 100 degrees below zero in the western hemisphere. But if I can choose, I will choose MINUS 100 degrees Celsius.

Today's human beings live in the range of MINUS 30 degrees Celsius and can resist in a short time. If the temperature reaches the limit of above zero 100 degrees Celsius, any one will easily die. If humans are not extinct, they may adapt with millions of years of evolution. At low temperature, human beings should create an environment suitable for survival and "boil hot water" to heat it! Anyway, the water in the low temperature environment is definitely sufficient, while the water in the high temperature environment will be evaporated a little, and human beings can't survive without water.

But whether it is hot or cold, it is irreversible damage to the human body. If it suddenly cools down or warms up, it is difficult for human beings to accept it. If it is a long and gradual process, giving human beings a time to adapt and cope, it is still possible for human beings to linger.

Although both high temperature and low temperature are fatal, I feel that high temperature is even more terrible!