104. Dry ice
Among the uninhabited villages, there is only a well in front of this bungalow.
And in it, everything is neatly arranged.
Here, it is spotless, and there is not even a trace of dust in the stove.
But what is very incredible is that the pot is hot, and there is even an unknown object burned red.
Who is burning this big pot? What is the red object in it?
It is spotless, but there are signs of fire. This kind of place still feels a bit terrifying.
Feng Heng found a wooden stick next to the stove and poked the thing tentatively, but found a very strange problem-
No matter how I touched this thing that looked like it was burned red, no matter how long I touched it, there was no trace of burning on the wooden stick in my hand.
Logically speaking, when a wooden stick encounters a red-burning metal object - although I don't know if this thing is a metal object - as long as it is a red-burning item, there will definitely be burning marks on the wood. The burning area will ignite some of the wood chips, and black burning marks will appear.
But now, I have been in contact with it for about a minute, and even things that are about to cool down will have black marks.
Could it be that this thing is not burned red?
Such an unreasonable idea appeared in Feng Heng's mind. Although he felt it was unreasonable, the facts had already told him that the wooden stick with no trace of burning was the most reasonable and accurate proof of this idea.
He glanced at the bright red items placed firmly in the iron pot, not knowing what was going on.
But soon, a somewhat unrealistic thought appeared in his mind.
In order to confirm his thoughts, Feng Heng put down the wooden stick, stretched out his right hand with empty hands, and touched the thing.
Although this is very dangerous, if it is contrary to what you think, you may be burned. However, if it is the same as you think, you can get another very important clue. Instead of doing this, it is better to take risks yourself.
When his fingers tentatively touched the thing and felt that the temperature was extremely cold, Feng Heng smiled and his thoughts were correct.
Although I don’t know why this thing is burned red, my guess is that this thing is not actually burned by fire at all, but exists in this iron pot at an extremely cold temperature.
So the question is, since it is cold temperature, what are the two previous phenomena that only occurred in the case of fire?
There are two phenomena: one is the white gas that appears in the gap next to the big pot, and the other is the hot feeling when touching the big pot.
If the temperature is extremely low, these two phenomena are easy to explain.
First, let’s explain the hot feeling you feel when you touch the big pot. When a person’s body temperature is at a normal temperature, when he touches an extremely cold feeling that has reached a cold feeling that humans cannot perceive, a tingling feeling will appear, and the brain subconsciously converts this tingling feeling and recognizes it as a tingling feeling.
Because when you touch a bowl of boiled hot water, you will feel very painful. This pain feeling is almost the same as the tingling feeling when touching extremely low-temperature items. The brain will mistake it, so this situation will also occur.
Then, if the latter problem is solved, the former problem needs to be solved.
In fact, after explaining both situations before and after, Bai Qi's question is easy to answer.
White gas, the white gas that the human body can produce is usually in winter. In winter, the mouth is very hot, and the exhaled gas will appear in the cold air in the form of white gas. This is the small water droplets liquefied, the most basic knowledge of junior high school physics.
Also, when boiling water, adding warm water will turn the liquid water into gaseous water vapor. At room temperature, the boiling point of water is 100 degrees Celsius. At such a high temperature, at room temperature of 20 or 30 degrees Celsius, the water vapor will turn into small liquefied water droplets in the air, forming white gas.
Another special case is that dry ice knows that solid carbon dioxide can only condense into solid state when the temperature is extremely low. For a room temperature like ours, dry ice will evaporate continuously and emit all carbon dioxide.
Many things used to create clouds and mist are basically dry ice.
When dry ice evaporates, the surrounding temperature will become extremely low.
That is to say, if there is dry ice evaporating in this pot, then you can know that the white gas coming out of the gap in the big pot I saw before was evaporated from the dry ice. The temperature of the big pot is very low, and it is also because of the existence of dry ice. Then all these clues can be completely closed and completely connected into a complete clue.
In order to confirm his conjecture, Feng Heng stretched out his hand and placed the lid that had just been uncovered, facing upwards on the stove.
Sure enough, I found a small piece of dry ice inside the lid that had not yet had time to evaporate completely. Feng Heng raised a strange smile on the corner of his mouth, which was indeed what he thought.
No wonder, it is spotless.
But it can simulate the phenomenon that the big pot is being burned, and it turns out that it is all dry ice that is causing trouble.
If it can maintain volatile phenomenon for such a long time, the amount of dry ice in this big pot should be stored in more than I imagined.
Speaking of low temperatures, Feng Heng remembered the popular science materials he had seen before.
Generally, frozen corpses are naked corpses, and basically a smiling face can be seen on every frozen corpse.
When humans are at low temperatures, the heat stored in their blood will be spread in an instant, spreading the temperature all over the body, making people feel very warm at that moment. As the heat increases, people will naturally feel very hot.
At that moment, the nutrients in the blood will spread with the heat, and humans will feel very hungry.
The warmth in a moment will make people feel very happy on the edge of despair, so their faces are smiling.
This is the phenomenon of frozen corpse smiling faces, and the phenomenon of frozen corpse taking off clothes.
However, after putting all the off-topic words aside, the question is clear. Why do you need to put so much dry ice in the big pot?
Dry ice is a solid carbon dioxide, so when it evaporates, it will fill the entire room with carbon dioxide, which is easy to make people difficult to breathe. Everyone knows that people breathe by oxygen, and carbon dioxide is simply a harmful gas.
When there is too much carbon dioxide, it will suffocate.
Wait, suffocation?
The purpose of putting so much dry ice is to suffocate people?
Chapter completed!