The next day, Qin Mu first went to the backyard to take a look at the soap that was drying.

After a night of drying, the soap has solidified and is still soft when pressed, and it will take more time to evaporate the water.

He moved to the lobby, where the six scholars were already seated and waiting for Qin Mu.

"Chairman, we have completely learned Arabic numerals."

"It's a really good number, it's simple and straightforward."

Qin Mu wrote a few numbers on the blackboard and checked them.

Unsurprisingly, most people are able to tell exactly how many numbers they are at the first time.

"Well, since everyone has mastered it, let's go to popular science knowledge today."

"Four, get on the stove."

No. 4 Wang Tiezhu carried two stoves, on which were placed iron teapots and stone teapots.

"Does the big guy know this?"

"Isn't this just a stove?"

Qin Mu picked up the fan and squatted on the ground, and the others also brushed around the stove.

"I asked a blacksmith to build this iron furnace, do you say that the stone teapot burns fast or the iron teapot boils water faster?"

"Isn't it just as fast?"

Qin Mu and No. 4 fanned the stove together, and the fire in the stove became more and more intense.

After a few minutes, the water in the iron teapot boils first.

"Look, it turns out that iron teapots boil water faster, which proves that they have different thermal conductivity depending on the material." Qin Mu stood up and briefly introduced some of the properties of the material, as well as the melting point and thermal conductivity of each material, as for the electrical conductivity, he only mentioned it in one stroke.

Eventually, they returned to the stove.

Qin Mu pointed to the boiling iron teapot and asked, "Why does the lid of this teapot move after the water boils?" ”

None of those present could answer.

"In fact, these white fogs are also water, but the different forms are contrary to the principle of freezing water into ice cubes in winter, from which we can conclude that the steam from boiling water can be converted into kinetic energy."

"Steam? Kinetic energy? ”

The six of them were stunned.

Qin Mu surrounded the furnace and explained from the fact that wood burning is a chemical reaction, as well as the conditions required for combustion, heat and oxygen, combustion produces carbon dioxide and heat.

After Qin Mu finished speaking, he looked at the people with bewildered faces, and finally realized the helplessness of the teacher at the beginning.

"In a word, we need to boil water to provide a steady stream of power, and this item is called a steam engine!

For example, irrigation waterwheels use the power of water to rotate and bring water into the field. ”

Speaking of this, the six of them suddenly became enlightened.

"Oh, this steam engine is to boil water to get this water vapor, and then use it as the so-called power to drive the machine."

"Well, this one is right." Qin Mu took out a planing diagram of the whole machine with drawings.

Follow the instructions on the diagram to explain the flow path of water vapor and how to convert the steam through the piston drive to bring power.

After listening to this, everyone had a general understanding, but they were still confused.

"Chairman, I want to ask what we are going to do with this steam engine?"

Qin Mu thought for a moment and said slowly: "As long as such a steam engine is built, our clothing, food, housing and transportation will undergo earth-shaking changes, from the textile point of view, the use of equipment can speed up the speed of weaving, originally a piece of cloth needs a person for half a month to weave, people want to rest, the machine does not need him to produce more than a dozen pieces of cloth a day."

In terms of farming, the efficiency will be higher, it originally took about half a day to sow an acre of land, but with him to create a cultivator, it can be cultivated in less than half an hour, and the harvesting speed is the same.

In terms of housing, with the advent of machines and the transportation of building materials, the speed of building houses has also been exponentially reduced.

In terms of travel, it is even more powerful, originally it takes ten days and half a month to walk from Luoyang to Chang'an, the carriage takes seven or eight days, and the fast horse also takes three days under the premise of changing horses halfway, if there is a steam train, it only takes two days to go back and forth to Luoyang, and you can bring hundreds of people together at one time. ”

After Qin Mu finished speaking, the hall was quiet, and everyone was thinking about the life made by the steam engine that Qin Mu said, although they didn't understand it very well, they were all very excited in their hearts.

"Then what are you waiting for, hurry up and build it!"

One person in the crowd shouted.

"But..."

"Chairman! Oh no, there is a group of monks from outside the house! Number One rushed in and shouted.

"This group of dead bald donkeys, call 24356 to take a stick and follow me!" Qin Mu walked out angrily.

The scholars in the lobby all had shocked looks on their faces, Qin Mu gave them the impression that they were the kind of knowledgeable people, and the violent contrast of the momentum of the momentum of lifting the stick to hit people made them very puzzled.

Qin Mu came to the door with six people, and happened to meet with more than a dozen monks.

The leading monk has a thick black beard and a fierce face, taking this Buddha as a force for the aura of the monk Lu Zhishen.

"Where is the master of the Li family! Dare to hurt my Buddhist disciples! Don't come out and kowtow and confess your sins! ”

Qin Mu responded, "Your father and I are here!" ”

"Hmph, a little hairy boy dares to beat me arrogantly until he admits his mistake!"

More than a dozen monks behind him picked up sticks and attacked.

Qin Mu took out the electric baton from his arms and retreated behind everyone.

"Give it to me, if you win a battle, you will be rewarded with ten taels of silver, and if you kill me, you will be honored and rich for the rest of your life!"

When the family members heard this, they were full of morale and rushed over.

Qin Mu hid behind the green plants in the courtyard and waited for an opportunity.

I saw that the black-faced monk was alone with a stick, looking for Qin Mu in the crowd.

"Where to hide!"

Qin Mu slipped around the green plants.

When the monk's strength was almost exhausted, Qin Mu took out an electric baton bucket and pointed it at his waist.

"Ahh

The black-faced monk fell to the ground in response, and Qin Mu pointed an electric baton at his neck and shouted at the other monks: "Stop me!" ”

When the other novices saw the arrival of the leader, they lost their fighting spirit and put down their sticks.

The black-faced monk straightened up on the ground, and the corners of his mouth twitched.

Xiaoqing and a group of scholars rushed over at this time.

Seeing the scene in front of him, he knew that Qin Mu had won.

"Xiaoqing! Hurry up and report to the official, this group of people broke into the house and hurt me! ”

Xiaoqing ran to Qin Mu's side and asked with concern, "Brother Qin, are you okay?" ”

"I'm fine, you go to the yamen to find Chen Xiancheng, just say that I, Qin Mu, are looking for him."

"Oh, I'll go." Xiaoqing pulled out his legs and ran out of the house.

"What are you doing? Go get a rope and throw these bald asses to me and tie them up! Qin Mu shouted at the scholars.

A group of scholars scattered in a hurry and ran into the house to find rope.

Qin Mu looked at his family, all of whom were more or less injured, their heads were bleeding, and some of them were already unconscious.

"Go and call Lang Zhong! Xue Huaiyi, if you don't die, you can't swallow this breath! ”

Xue Huaiyi soon received the news that the monk of his temple had been arrested, and he immediately scolded his mother.

"Qin Mu! This third child is really stupid enough to bring more than a dozen people to be served in a pot, if Her Royal Highness the Queen Mother knows about this..."Xue Huaiyi turned around and looked at it, "You go to Luoyang Ling, let him release people quickly, and shut the mouths of those bad people, as well as those Jin Wuwei." ”

Accepting this, his face was full of embarrassment, "This..."

"What's wrong!? Don't go yet! ”

"Temple supervisor, you are busy in Mingtang today, you don't know that Luoyang Ling has been arrested today! The crime is to secretly possess the traitor Xu Jingzhen. ”

"What!!"