This is an achievement that will go down in history!
Can the Mohist school finally come back to light?
Chu Yuening looked at the middle-aged man who was about to cry and couldn't help but hold her forehead.
She greatly underestimated the ethos of this era that "a gentleman will die for his friend."
She pulled out a few drawings and quickly changed the subject.
"This is a useful tool for construction. It may be helpful to you."
She drew common tools used on modern construction sites, such as wheelbarrows, cranes, and engineer shovels.
As for whether it can be done, it depends on Mo Ju.
It’s not that Chu Yuening is a hands-off boss, but because her baby is about to be born.
She needs to prepare some delivery matters in advance and has no extra time or energy.
"Thank you, Queen. I will develop it."
Mo Ju was very grateful to the Queen for personally caring about such a small matter, and he pleaded with her in a somewhat awkward manner.
"I have several brothers and sisters who are highly skilled. I wonder if they could become your disciples as well?"
"I'm very happy to do so. I will have someone arrange for them to be well accommodated."
Chu Yuening agreed happily.
Of course, the more talented people there are, the better, so she doesn't have to pick on Mo Ju alone.
After Mo Ju left, Chu Yuening sighed while holding the last drawing.
Originally, she wanted Mo Ju to research cement first.
Whether it is used to build highways or palaces, cement is a product that transcends time.
With it, roads will be smoother, houses will be stronger, and construction efficiency will be greatly improved and labor costs will be reduced.
But there is always a loophole. Chu Yuening gathered all the raw materials, but forgot that cement needs to be calcined at extremely high temperatures.
The temperature cannot be reached by charcoal, only coal can succeed.
However, coal was not used as a smelting material on a large scale in the pre-Qin period.
Coal is precious. First, coal mines are hard to find, and second, it is not easy to mine.
At noon, after lunch, Ying Zheng helped Chu Yuening take a walk outside the palace to help digest the food.
It is spring now, but the temperature has not yet warmed up, and it can be said to be chilly.
"A Zheng, do you know anything about coal?"
"It is completely black, has a pungent smell, and is flammable."
"Are you talking about Nirvana?"
Ying Zheng replied after pondering for a moment.
Chu Yuening showed surprise on her face, and then hugged the man's arm and asked.
"A Zheng, do you know about this? Then how much coal do we have in Daqin?"
"Not much. This substance is difficult to mine and can easily cause death when used."
"That's because the coal wasn't burned completely, causing carbon monoxide poisoning."
Chu Yuening understood his concerns and explained in detail.
"As long as it is used properly and ventilated on time, coal can not only be used for heating, but also for smelting metals."
As she spoke, she also took out the steel pouring method and handed it to Ying Zheng.
"This is a secret method for smelting iron. It can produce harder and sharper weapons, but it requires coal as fuel."
After reading it carefully, Ying Zheng couldn't help but look excited.
"With this secret method, our Great Qin weapons will definitely be able to reach a higher level!"
Even though he created the craftsman system of engraving the name of the craftsman on the object, he strictly required the quality of weapons.
But because it is made of bronze, the sharpness of the weapon has reached its peak.
I didn't expect there would be a better method of forging weapons.
Thinking of the arrogant Huns in the north, the harassing Qiang people in the west, and the wider world, Ying Zheng was moved.
He has always been decisive and made decisions immediately.
"Tomorrow I will issue an imperial decree offering a reward for the coal mine."
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