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In late June of the fifth year of the Qingli period, with the August Autumn Examination approaching and the biennial imperial examination drama about to be staged again, Bianliang became very lively again.

Outside Datong Gate, there was a bustling traffic. Countless boats were passing through the water gate, drifting along the canal into the city.

The docks were bustling with people and signs. Groups of dock workers came and went, moving cargo from the ships to several large warehouses such as Fuguo Warehouse, Wanying Warehouse, Guangji Warehouse, and Guangying Warehouse.

These warehouses gathered grain, tea, ironware, and cloth from all over Bianliang, as well as grain to be sent to Hebei and Shaanxi. They were the lifeblood of the country.

At noon, several large ships slowly approached the shore, and a middle-aged man on the ship walked down the deck with a young man in his twenties.

The young man stood at the dock, looking around. Seeing the hustle and bustle, he couldn't help but say, "Dad, I haven't been to Tokyo in years. How come Tokyo has become like this? It feels so unfamiliar to me."

The middle-aged man laughed and said, "Bianliang has completely changed. The outer city is almost becoming the inner city. Didn't you see it on your way here? There are people and streets outside the city now."

The young man scratched his head and said in surprise, "In just nine years, I didn't expect Kaifeng to have so many people and the streets to be so crowded. Wait a minute."

He suddenly turned his gaze to an open space on the other side of the river and asked in a lost voice, "What is that?"

The middle-aged man followed his gaze and saw that it was an open space south of Yuxian Temple, north of the Bian River and Datongmen East Street.

A large number of workers are building steel bars, laying bricks and tiles, and applying cement to build a five-story building.

"It seems like the government office in Dongzangku is being built. They're using something called cement, which was invented by the government a few years ago. Now all government offices and public residences in Bianliang are built with it, and they can be built five or six stories high."

The middle-aged man explained, then added, "My father once asked someone to find out how to make this cement. Wouldn't it be better if it could be used to repair houses? However, this material requires ore, and even the imperial court can only produce it on a small scale. It's difficult to produce it in large quantities, which is a pity."

The Kaifeng Cement Plant is built outside the west city, but Kaifeng has no iron ore, limestone or clay mines, so it needs to bring in raw materials from other places and then mix them manually for temporary on-site production.

This is not only inefficient, but also has low output, and can only be used for house construction.

There is no way. It is too difficult to find these three minerals together and at the same time meet the requirements of convenient transportation and easy transport.

After all, cement is something that will solidify quickly if you don't use it after you make it.

Therefore, it is best if the three mineral deposits are not far from each other. After gathering the raw materials, mix them together to make cement powder, and then add water when using it.

Otherwise, the cost of transporting raw materials from various places and then making them in the factory would be too high, making mass production impossible for the time being.

However, things will be much better after steam engines become popular and trains make transportation more convenient.

At that time, the raw materials can be concentrated at the cement factory, put together, forged into powder by a steam engine, packed into sacks, and sent to various places to become cement.

It has to be said that technology is truly the first productive force. Without industrial power, even if one has a wealth of knowledge in mathematics, physics, and chemistry, it would ultimately be an agricultural society.

The young man looked at the construction site bustling with activity over there with a bewildered look on his face, muttering to himself, "The Song Dynasty is truly different from before."

"That's because the current emperor is wise and sage. The chancellor is decisive in killing and suppressing evildoers. Minister Fan is a master at military command and can govern the country well. And our emperor is even more remarkable, he is simply a god on earth."

A passerby heard the conversation between the father and son. Seeing that they were from out of town, he smiled and pointed to a woman washing clothes by the river in the distance and said, "Do you see what she's holding? That's called soap. It's much better than the soap nuts of the past. It was invented by the government."

“That was also invented by the government?”

The young man was shocked.

He was very surprised when he heard his father say that the government invented cement. After all, it was normal for smart people to think and invent one or two things, but if many things were invented by that person, then he was simply a genius.

"Not only that, there are also new composting methods, that garlic extract used in medical clinics, cowpox to prevent smallpox, white sugar, and honeycomb coal."

The passerby counted on his fingers and said, "Especially the honeycomb coal. It's really useful. Now we use it to boil water at home. It saves a lot of firewood. I don't know the rest. If Xiaolang wants to know, go find some old newspapers and read it."

Thanks to the fact that Zhao Jun's laptop contained a lot of time travel history, Zhao Zhen asked for the laptop on the pretext of looking for inventions in time travel.

He now only does five things every day - attend the morning court, read books in the morning, play with his laptop. In the afternoon, he holds a regular meeting in Chongzheng Hall, then goes to the back garden to conduct experiments, and in the evening, he has sex with his concubines.

Over the years, he actually found a lot of good things in history.

In addition to the fact that glass could not be made due to lack of soda, there was also the white sugar and yellow mud water-spraying bleaching method that appeared in the Yuan Dynasty, the cowpox prevention of smallpox method that appeared in the 18th century, and even the formula for honeycomb coal.

Even Zhao Jun didn't know how to make honeycomb briquettes. In March of this year, he stumbled across a book that actually contained a description. Upon learning the complete honeycomb briquettes manufacturing formula, Zhao Zhen was overjoyed and quickly began experimenting in his back garden.

Apart from spending the first two days making a honeycomb coal mold, he only spent the rest of the day to successfully develop honeycomb coal by adding various raw materials and distributing them according to the proportions.

My dear, there is more to this chapter. Please click on the next page to continue reading. It will be even more exciting later!