Chapter 31 The Great Influence of Simple Principles
The night was quiet, and the small flame at the entrance of the cave swayed feebly for a long time, as if it was about to fall asleep like everyone in the cave.
The old primitive man kept vigil next to the fire and would put a little firewood in it from time to time.
Keeping the flames from going out is a very important task.
The emergence and utilization of fire is a great leap in the history of human evolution!
The tribe has also mastered the method of drilling wood to make fire, but it is too troublesome to drill wood to make fire. It is not as convenient as now, with people guarding it day and night.
Anyway, these two old primitive people are too old, and basically can't do the rest of the work.
With a leather covering underneath his body and a thick layer of withered grass underneath, Han Cheng's sleeping place was more comfortable than ordinary people. If he had fallen asleep at this time in the past, he had no intention of sleeping tonight.
There are generally only two reasons for insomnia at night. One is sleeping too much during the day, and the other is having something on your mind.
In later generations, the first reason can basically be eliminated.
As Han Cheng from later generations, he can also rule out the first reason because he didn't even close his eyes during the day.
The reason why he couldn't sleep at night was because all he could think about was pottery.
He kept recalling every step in the memory of the old woman making pottery, and then compared the procedures he performed this time, trying to find out the reason for the huge gap between the two.
He had been thinking about this matter from day to night and then late at night, but he still didn't have much clue.
Although three somewhat suspicious places were discovered, Han Cheng always felt that this was not the main reason for the large number of damage to the pottery.
Han Cheng sat up from his 'bed', put on his leather coat and animal skin socks, and walked out to the cave. He had a habit from later generations, that is, once he couldn't sleep at night, he liked to get up late at night.
The old primitive people who keep vigil at night have long been accustomed to having people go out at night to solve physiological problems.
Every time someone gets up, he will turn around and take a look. If it is an adult, he will continue to sit by the fire without getting up. If it is a child, he will need to get up and help the child open the heavy stone door.
This is also one of his responsibilities.
When the old primitive man heard the footsteps, he habitually turned his head. After recognizing that the person coming was the Son of God, he quickly stood up.
Before Han Cheng could say anything, he had already skillfully opened the stone door.
There was silence outside, with only the bright stars embedded in the dark blue sky. It looked particularly clear and beautiful, far beyond the night sky in later generations that had passed through several layers of haze and passed through the neon lights everywhere.
In the night, from time to time, there would be a few distant beast roars that seemed to be integrated into the night. These were the chants of the prehistoric bosses who were still in a dominant position in the night.
The air was cold in the spring morning, and it was just as cold at night. Although it was no longer freezing, it still made Han Cheng, who had just come out of the cave, couldn't help but shiver several times, so much so that even the crystal clear water
The water column became a little skewed.
Han Cheng was exerting force. He wanted to quickly drain all the water from his body and quickly return to the warm cave.
"Snapped!"
Han Cheng did not go back, nor did he fall into the puddle because he peeed too hard. Instead, he raised his hand and slapped himself hard on the forehead.
He was not crazy, but suddenly he understood something, which was what had troubled him all day and in the middle of the night!
Damn it, such a simple truth was actually ignored by me!
Han Cheng, suddenly enlightened, wished he could slap himself on the head again.
The reason why pottery breaks in large numbers is simply because of thermal expansion and contraction!
I warmed myself up and came out of the cave, but I couldn't help but shiver when I was suddenly exposed to the cold air. The temperature difference was only about ten degrees at most.
When pottery first comes out of the kiln, the temperature difference from extremely hot to extremely cold is more than a hundred degrees!
It would be strange if it didn't crack under such strong stimulation!
After figuring out the relationship, Han Cheng felt relieved and stretched out his hand to touch the frozen little bird, which had only one head left, and hurriedly ran into the cave.
With his worries gone, he lay on the bed and covered himself with thick fur, and soon fell into a dream...
The riverside was very lively. Because they witnessed a miracle and experienced the effectiveness of pottery made from clay, the people in the tribe now have great enthusiasm for pottery making.
Especially after hearing that the Son of God was planning to bake pottery again today, everyone was even more positive.
After having dinner early in the morning, they all came to the small river.
With the experience last time, everything went much more smoothly this time.
However, compared with last time, there can be a lot more pottery to be fired this time.
Around the somewhat solid mud pit that had been burned by fire last time, Han Cheng had people dig around a lot more. After digging, the pit was almost four square meters in size.
Then there is the process of spreading hay, placing mud embryos, filling with hay, paste with mud, lighting a fire, and sealing the hole.
All that's left is to wait.
Senior brother and the others went hunting. Han Cheng led a group of small primitive people here to make clay embryos while guarding this simple clay kiln. They observed the temperature and small holes in the clay seal to see if the fire inside was extinguished.
.
Because there are enough clay embryos in the bowl, if they are all fired successfully, it will not be a problem for each person to have one.
So Han Cheng asked people to make fewer bowls and make more pottery pots and large vats that were in short supply.
Some pottery basins also need to be made.
There were already a lot of mud embryos, so there was no need to hold on tight as before. After noon, Han Cheng led the people to clean up by the river and returned to the cave.
Because I have been busy with pottery these days, I have put aside teaching Mandarin and Chinese characters. Now that the pottery making is basically on the right track, Han Cheng naturally wants to continue the course after a few days of interruption.
What we are teaching today is very simple, that is, the newly emerged "Tao" includes its pronunciation and writing, as well as the "pottery bowl", "pottery pot" and "urn" derived from "Tao".
Since everyone is very interested in the new word "Tao", even though the word "Tao" is complicated and difficult to write, everyone learned it very quickly, especially Hei Wa, a little master of pottery making, who couldn't remember it before.
He, who is good at writing, can actually write the word 'Tao' from memory very quickly...
Around the fire that had been burning, there were three more stones arranged in an almost triangular shape. On the stones were placed clay pots that had just been made. There was water in the pots.
Under the continuous licking of the flames, the water in the clay pot began to emit white gas.
This relieved the old primitive man who had been worried that the fire would crack the pottery and then the water would put out the fire.
Like the rest of the people in the cave, he didn't know why the Son of God acted so strangely, but now they were somewhat used to it. After all, there were too many moves of the Son of God that they couldn't understand.
Han Cheng didn't want to do anything, he just wanted to drink hot water to burn his mouth.
He has been here for several months, and apart from the hot urine, he has never come across other hot water, which is really sad to say.
The water in the clay pot dries out and emits white steam, but it won't open. This makes Han Cheng a little depressed. It seems that he needs to make a lid immediately. This will not only prevent dust from falling into the water, but also play a role in heat preservation.
