[The third watch, the next update is in the early morning, please read it again tomorrow morning.] 】

Han Gang stayed in Fangcheng County for two days, and ran with Fang Jingmin, the governor of Ruzhou, on a sixty-mile track in a newly repaired railroad, and then turned around and returned to Xiangzhou.

Under the flickering light, Han Gang looked down at his manuscript, while Wang Yi sat next to him, also looking at a hastily bound manuscript. She looked attentive, with a light smile on her lips.

The loose manuscript paper in Han Gang's hand is full of traces of stippling and deletion, which is the first draft he wrote with charcoal on white paper, and it is also written in a horizontal row from left to right. In the past ten years, my eyes have been reading vertical text, and I am even a little unaccustomed to writing horizontally, but in the future, if it is a book about mathematics and physics, after inserting formulas, I feel that it is more appropriate to write horizontally.

However, the second draft in Wang Yi's hand was copied by Han Gang again with a brush, and it has been changed to a vertical arrangement. After all, what Han Gang wants to do now is just popularize science and instill his own ideas in the world through new books. This dictates that he cannot insert formulas and equations into his manuscript that would be difficult for ordinary people to understand.

Han Gang vaguely remembers that a famous scientist in later generations once said in his equally famous popular science book that every time there is an additional formula in a popular science book, the sales will be reduced by half, and Han Gang only hopes that his book can be spread as widely as possible, and it is better to stay in professional books if it should be left in professional books.

Just like when he used "Buoyancy Tracing the Source" as his first clarion call after taking charge of the Ordnance Prison, he changed people's understanding of the world and established his authoritative position in the construction of tools, and also dug a few pits by the way to achieve some political goals.

What Han Gang wants to do now is also to use the new book that has just been written, to further establish his position in the present and future, in politics and academia, in the court and among the people, and in the hearts of the Son of Heaven, courtiers, scholars, and ordinary people.

However, to achieve this goal, one book is not enough, so this time, Han Gang is not going to take out one book, but two.

One is a handbook on how local governments should respond to the pandemic. This is what Han Gang has always wanted to write. He had this idea long back when he was writing the health regulations for the military.

A country with a vast territory does not say which year there was no catastrophe or pandemic. However, most of the pro-people officials - officials who directly govern a side of water and soil, and shepherd hundreds of trillions of yuan for the Son of Heaven - are all Jinshi backgrounds, and the level of poetry and scriptures is good, and in order to write policies, they also go to learn agricultural water conservancy, such as "Qi Min Yaoshu" and "Water Jing Note", etc., but once they encounter droughts, floods, earthquakes, locusts, plagues, famines, and other disasters, how to deal with them, no one can have the opportunity to systematically study, and there is no suitable reference book, generally can only rely on experience, rely on conventions, For example, what is tax-free grain.

For ordinary disasters, tax-free grain can barely come in handy, and at most more people will die and one or two more mass graves. As long as the victims do not rise up, and the number of displaced people is not more than 1,000, the local officials will not pay much attention.

But once the disaster is serious, affecting several roads, stretching for several years, involving tens of millions of people, and hundreds of thousands of displaced people on the road, then this pitiful response will of course not be enough. At that time, the victims were like floods that had already broken through the cracks in the embankment, and they could break through the embankment at any time.

Therefore, Fu Bi and Han Gang can safely settle hundreds of thousands of displaced people, and it will become a miracle that everyone praises, because it is almost impossible for others to replicate their success, without that ability! There is no such means! Didn't have that experience!

It is because of this that Han Gang wrote this book. Its direct purpose is to prepare for the pro-people officials. In the event of a catastrophe or epidemic, how to appease the people, how to prevent the outbreak of the epidemic among the victims, and even how to deal with the outbreak of the plague, can refer to the terms in the book.

However, one person counts the shortness and the other counts the long, and Han Gang was still preparing to compile the entries by himself a few years ago and write down an outline. Then apply to the Son of Heaven and gather the strength of everyone to compile it. It's just the current situation, Han Gang can only do it himself. It is certain that he is shallow behind closed doors, but Han Gang still has some confidence. This confidence comes from his own prestige as well as from the content of the book.

Another new book is the practice of the literati. Similar to an essay, it is a form known as a notebook novel.

In this era, literati would always record the people and events around them, as well as some hearsay and rumors, and finally compile them into a book. Some talk about mysteries, some talk about history, some record speeches, some describe characters, and even have notes that record systems and political affairs. More notes are a collection of the above items, that is, miscellaneous notes. On Han Gang's bookshelf, there are many such books.

"The World Says New Language" is an early note, in the Tang Dynasty, there were Niu Monks' "Xuanwei Lu", Duan Chengshi's "Youyang Miscellaneous", Liu Su's "Tang Xinyu", and Sun Guangxian's "Northern Dream Trivia" in the Five Dynasties, and after entering the Song Dynasty, there were more, such as Tao Gu's "Qing Yilu", Qian Yi's "Southern New Book", Yang Yi's "Yang Wen Gong Tan Yuan", Ouyang Xiu's "Returning to the Field", these books have hundreds of volumes, occupying a whole bookshelf.

Even in later generations, such writings were very popular, even widely circulated, and at the same time extremely important historical materials. Han Gang didn't study history in his previous life, but he traveled from south to north, and consumed a lot of time on the road, and he always had something to pass the time on the journey. Just like Shen Kuo's "Dream Creek Writings", he once read it—although it is not yet a book, and Han Gang himself can't remember the entries in it.

The reason why Han Gang wrote popular science books in the form of notebook novels is that notebook novels are easy to spread among scholars, and the other is that his memories from later generations have a lot of fragmentary scientific knowledge, which is basically difficult to write a monograph on a certain aspect, but as notes, the genre happens to match Han Gang's fragmentary memories, and it can even be said to complement each other.

From Wang Yi's expression, it can be seen that Han Gang's unnamed notebook still has some ability to attract people to read.

She flipped through the side with a focused expression, and even Han Gang put down the manuscript in his hand and began to stare at her, without noticing.

Popular science books are actually very popular, so you can learn more about them and talk about them when chatting with people. Notebook novels are also popular, also because they broaden their knowledge. When the two are combined, there is a natural attraction.

Han Gang's notebook, which is named after a laurel tree outside the window, is divided into several large sections, such as biology, medicine, physics, chemistry, arithmetic, and geography.

Wang Yi flipped through the biology article, staring at the fine small words on the manuscript paper, and muttered to himself: "Can't a moth really become a moth?" ”

"The moth has a child, and the moth bears it." Han Gang straightened out the manuscript in his hand and laughed, "Three hundred poems, the first saint is just editing, and it's not wrong." ”

Wang Yi raised his head and smiled: "Official, have you really dug a honeycomb?" ”

The moth is commonly known as the earth bee, Han Gang nodded: "The ant nest has been dug up, what about the earth bee?" ”

"It was when I was a child, and it wasn't for my husband alone, it was the two brothers who took me to play. When I heard about the moth, that is, the story of the earth bee collecting the moth as a righteous son, I wanted to know how the Tao of the earth was pronounced 7749 times 'like me, like me', so I dug dozens of earth bee hives in one go. But I found that there were not only moths inside, but also inchworms, crickets and other insects, and all of them were alive, and there were smaller insects gnawing on them.

Later, the husband carefully observed and found that these insects were all caught by the earth bees, and they were first pricked with a needle on the tail before being thrown into the nest. After the insect was stung by a needle, it was like drinking Hua Tuo's hemp boiling, unable to move, but alive. After hatching from the eggs, the larvae can be eaten with fresh meat and will not rot due to time. ”

Han Gang said it vividly, and these words were also written in his notes, and celebrity anecdotes are also what the world likes to read, and it is not too troublesome to make them up.

"This is also the knowledge of things? I can't imagine that the official can secretly follow the way of the saint when he is a child. It's amazing......"

"Go to the fake, check the truth, this is Gewu, but I didn't know the Tao when I was a child. The truth of the sage is in an ordinary place, how can it be difficult to understand? It's just not easy to learn. Han Gang said to his wife, "Actually, this is not the first time that the husband has discovered it, the prime minister of the mountains in the Liang period [Tao Hongjing] wrote it in the book very early. ”

"The mercury mirror made by the officials was also inspired by Tao Tongming's book [Tao Hongjing Zitongming], right?"

"It's not just him, there are many books that mention that mercury can melt gold, and there are also many people who know the truth. On the one hand, mercury can melt gold and silver, and gilt silver is made of mercury - the word mercury, which can be dismantled into work and water. Water means that its room temperature is liquid, and this workman, a harmonious sound, means that it can be used by craftsmen - in fact, part of it is obtained from Taoists, and part of it is obtained from craftsmen. It's just that the craftsman knows it, but he doesn't know why. The Taoists, on the other hand, are playing tricks and using some ambiguous and vague words to deceive. ”

Han Gang still always looks down on the two old families and regards them as outsiders. Wang Yi pursed his lips and smiled, listening to Han Gang unceremoniously say that Taoism is not, "These Taoists, who go to alchemy wholeheartedly, have not thought of using it for the country. ”

"The slave family is grateful to the Taoist priest," Wang Yi's water-cut eyes looked at Han Gang, "If there is no Taoist priest, the slave family will not be able to meet officials." ”

Han Gang's face turned red, he rejected Buddhism, but he told his imaginary life-saving benefactor. But it's nothing," the husband said about those Taoist priests who only cared about alchemy, and how many good things they wasted. ”