Zhang Zhimin left.
Carrying a bag of letters.
He first went to the Fang residence to seek instructions from Fang Er.
Fang Er would certainly not refuse something that could accelerate the expansion and development of the academy.
After some thought, he returned to his room and fetched a small porcelain bottle.
He handed the bottle to his uncle, asking him to send people to help recruit personnel.
Zhang Zhimin wanted to open it and take a look.
But Fang Er quickly covered the stopper.
Don't look, give it directly to your uncle. He knows what it is.
Zhang Zhimin carefully tucked the bottle into his embrace, left the Fang residence, mounted his horse, and headed for Chang'an.
When Manager Zhang saw the long-lost little pill, he instantly felt like he was going to heaven!
"Servants!"
Several house slaves quickly emerged from all directions of the house.
Looking at Manager Zhang.
"Quickly gather all personnel and help Zhimin deliver these letters!"
"Those who are willing to come along, bring them back together!"
"Serve them with good food and drink on the way!"
"Anyone who dares to disrupt the Marquis of Liaodong's important affairs will have their skin flayed!"
Zhang Zhimin was stunned.
What was in that bottle?
Why was his second uncle so excited?
Could it be some kind of treasure?
He was escorted out of the Zhang residence by a group of servants.
Before he had gone far, he heard Manager Zhang shouting loudly from inside.
"Hahaha, wife, where are you? Come quickly!"
"Hahaha! Old man, I'm going to be a superior person again!"
Hearing his voice, Madam Zhang, with a murderous look, walked over from the backyard, carrying a kitchen knife.
As she approached, her eyes fell on the bottle in Manager Zhang's hand.
Clang~~~!
The kitchen knife fell to the ground!
"Dead man! Come quickly!"
After speaking, she turned directly and entered the room.
"Hahahaha! Read this!"
Manager Zhang put away the small bottle and rushed into the room with his arms spread wide.
Duang~!
The room door was kicked shut.
Fang Er, who was writing textbooks in the Fang residence, sat in the courtyard, drinking tea and watching Chai Yue engrossed in her writing.
Chai Yue had accidentally seen the textbooks written by Fang Er.
She was instantly astonished.
The Marquis of Liaodong himself wrote with missing strokes!
This was her own husband!
If this got out, wouldn't it damage her husband's reputation?
So, she volunteered to be the scribe.
Fang Er dictated, and Chai Yue wrote.
Xiao Qing and Xiao Huan sat obediently on the side, watching the two of them.
Occasionally, they would prepare mung bean ice and snacks.
Every time they wrote for a while, the two maids would proactively come over to massage and knead Chai Yue's wrist to relieve the soreness.
Chai Yue finished the last sentence and looked at Fang Er.
"Husband, it's finished, is there anything else?"
Fang Er stood up from his chair and looked at the delicate characters on the paper.
"This is all for now. I'll write more later. Thank you, Yue'er."
After speaking, he took Chai Yue's right hand and began to knead it for her.
Chai Yue's fair face blushed.
"It's not hard work at all. The knowledge you've had Yue'er write these days feels so magical!"
"The principle of pinhole imaging, negative pressure, electromagnetism, and the refraction of light that husband mentioned, it all sounds incredible!"
"By the way, husband, can you demonstrate it to Yue'er?"
Fang Er smiled.
"Alright, then I'll demonstrate the phenomenon of negative pressure to you."
"Qing'er, go get a glass cup, fill it with water, and then bring a small basin and a candle."
Xiao Qing, who was standing guard, immediately ran into the house to get the items Fang Er mentioned upon hearing that there was something fun.
Soon.
A small white porcelain basin, a candle, and a glass cup filled with water were brought over.
Fang Er placed the porcelain basin on the table, lit the candle, and dripped a few drops of wax oil onto the bottom of the basin.
Then, he pressed the candle onto the wax oil.
As the wax oil solidified.
The candle was firmly adhered to the bottom of the basin.
Slowly, he poured the water from the glass cup into the basin.
After the candle flame stabilized, he directly covered it with the cup.
As the oxygen in the air inside the cup was rapidly consumed.
Visibly, the water in the basin surged into the glass cup.
Gradually, it clearly rose above the water level in the basin.
"Wow! It's really magical!"
Chai Yue exclaimed.
Then, she eagerly said.
"Husband, Yue'er wants to try too."
Fang Er placed the permanent matches on the table and stepped back to the side.
"You all try it, and later I'll take you to play with other things."
Chai Yue, Xiao Qing, and Xiao Huan took turns playing with it.
Then Fang Er led them to perform pinhole imaging and other experiments.
Especially when a lens refracted sunlight and successfully ignited a piece of paper.
The three girls were overjoyed!
Chai Yue tugged at Fang Er's arm.
"Husband, are there any other areas of knowledge? Yue'er wants to see more."
"You tell me, and Yue'er will help you write it all down."
"After it's printed, Yue'er also wants to go to the academy to listen to husband teach."
Fang Er tickled her nose.
"You can't write all the time. Let's rest for a day. Husband needs to go to the workshop to take a look."
"Minister Du should be sending people over soon."
Chai Yue was a little disappointed but still smiled faintly.
"Alright then, Yue'er will stay home and play with Qing'er and the others."
"Husband, remember to come back early."
Fang Er nodded.
Then he left the Fang residence.
It had been several days since he last spoke to Li Er about the plan to recruit people from the Ministry of Works.
He had been at home writing textbooks, so it was better to go to the workshop and take a look.
When Fang Er arrived, he saw Zhao Gang talking to a group of people.
He could hear Zhao Gang's anxious voice from a distance.
Fang Er hurried over.
"What's wrong? What happened?"
Upon seeing Fang Er, Zhao Gang's face lit up.
"My Lord, these are all the people sent from the Ministry of Works. They've been clamoring to see you."
"I went to your home the day before yesterday, and Xiao Qing said that My Lord was compiling books, so I didn't dare to disturb you."
Fang Er looked at the crowd.
More than two hundred craftsmen looked uniformly at Fang Er.
Then they bowed in greeting.
"Greetings, My Lord!"
Whoa~!
Fang Er was very pleased with this scene.
It seemed that Du Yiyang had been quite efficient.
He just didn't know if it had alerted the noble families.
Among these craftsmen, there were some that Fang Er had seen before.
Those craftsmen who had asked him questions about cannons were standing at the forefront.
Since they were here, there was no need to consider their past.
"You can't go back to the Ministry of Works anymore."
"But here, you will witness another world!"
After speaking, he turned to Zhao Gang.
"Go prepare the train!"
Zhao Gang was very excited.
"My Lord, are you going to give your former colleagues a show of force?"
Heh heh!
This is good!
Fang Er led these craftsmen towards the direction of the railway tracks.
Zhao Gang ran ahead.