[paper]

As one of the greatest inventions in human history, the birth of paper spans almost the whole field of human civilization.

Please make 10000 pieces of paper and record your adventure. I'm sure someone will like it!

……

I looked at the brief description of the branch line and the task requirements.

It is effective to manufacture 10000 pieces of paper with a specification of at least 10cm * 10cm.

It can be clearly felt that the difficulty of branch line tasks after entering the bronze age has increased.

Before, one piece of material was enough, but now it needs 10000 copies.

However, as long as one piece of paper can be produced, ten thousand pieces are not worth mentioning.

The key difficulty lies in the production process.

Many people know that paper is made of trees.

But how to connect the trees that look like they can't hit a piece with paper.

This belongs to the wisdom of ancient humans.

The ancestors of primitive humans in ancient times were counted with straw rope knots.

I caught some pigs today and some rabbits tomorrow. It's all arranged for you.

Who catches more, who eats legs.

However, with the deepening of the concept of mathematics, the ordinary straw rope knot can no longer meet the needs of human beings for counting.

For example.

Zhang San's father died suddenly. Zhang San invited all the fallen people to eat at home and eat the wild boar just caught yesterday.

However, there are more than 200 people in the whole tribe. It is necessary to ensure that everyone can get the delicious pork. Everyone can smell sweet and sweet together, so the wild boar will be divided into more than 200 pieces.

He cut the wild boar more than 100 knives, and was called away temporarily, so he asked his son Li Si to cut it next.

At the beginning of the Naihui tribe, human language was not perfect.

Zhang Sanyi pointed to the straw knot on the table and told his son in body language that your father has cut more than 100 knives. You can count the straw knot.

So Li Si began to count.

Oh, I've cut 108 dollars so far.

When finished, Li Si then cut, cut and tied, cut and tied again.

After cutting more than 50 knives, he was called away and asked his wife Wang Wu to operate the knife.

Wang Wu also needs to count the straw knots from the beginning.

When Zhang San came back from his busy work, his daughter-in-law was still counting grass knots and the pork was not finished. He was immediately angry.

It's too slow!

Aren't you delaying everyone's dinner?

Just bury it with you!

So Zhang San brought up the evil kitchen knife, and the cold blade glittered with the cold light of impunity.

……

It can be seen that the straw rope knot has restrictions on human communication.

Even if the decimal and hundred system straw rope knots appeared later, the efficiency is still very low.

Moreover, just a knot, it is difficult to express a clearer meaning.

As a result, with the evolution of civilization, it changed from counting with straw knots to writing simple digital symbols on the sand.

Handwritten, simple and convenient.

When you have time to tie a knot, others have drawn a "1" in the sand

But soon, with the continuous improvement of human language, more and more symbols were invented, representing many meanings.

With more symbols, some complex patterns will appear.

People's original ancestors took great pains to draw a seven twist pattern.

Suddenly, the wind blew

It's embarrassing.

Later, it was changed to engrave words and paint on the wall.

That is the origin of murals.

Nowadays, murals have become a material and cultural heritage all over the world and are priceless.

If there are enthusiastic Chinese netizens on the Internet who say to you: you have so many murals.

There is no doubt that it must be a kind-hearted Chinese recognition of your wealth and ability.

The predecessor of paper has experienced five long stages: Grass knot, sand, mural, oracle bone and bamboo.

Finally, when people realize that these things are too troublesome to record words.

The paper was born in the sky and stepped on the grand stage with the light of auspicious clouds running through ancient and modern times.

As early as the ancient times of China, the concept of paper had been put forward by the working people at that time.

Of course, people in that period were still crude in technology.

Usually, the remaining secondary silkworms will be bleached with silk flocs, beaten repeatedly, mashed with silk clothes, mixed with a certain proportion of plant ash, and ground evenly on a flat ground. After drying, you will get a large piece of dry and thin translucent earth gray paper like cicada wings.

This is the origin of the earliest paper.

However, this kind of paper land is very rough, with small quantity, high cost and troublesome workmanship, which is difficult to popularize.

It is usually used by rich people to pack things, not for writing.

Until the Eastern Han Dynasty, Cai lundaneng, peeping through a trace of the secret, began to improve the papermaking technology, using bark, hemp head, fishing net and other raw materials.

The paper made by several processes such as beating, tamping, frying and baking can be regarded as the origin of paper in the real sense.

Of course, even so, the cost of making paper was still very high at that time.

Therefore, in ancient times, reading was actually the treatment that rich children could enjoy.

The most basic point is that paper is not affordable for ordinary people.

It was not until the Ming Dynasty that the technology of papermaking was further optimized that it began to be widely popularized.

"Big smart, you go and cut some wood for me. About a dozen copies are enough." Tang Zheng shouted to Murphy and handed him the iron axe in his hand.

Subsequently, I opened a recruitment post in the forum.

[recruitment: recruit 20 lumberjacks and 10 miners. Those who have experience in this trip in the native world are preferred. The minimum wage is 2 virtual currency / day, 5 ordinary wood / 1 virtual currency, 5 good wood / 2 virtual currency, and the price of excellent wood is calculated separately.]

At this stage, he can no longer waste his time on the most basic resource mining, and a large number of subsequent wood and stone materials are scarce.

And Murphy, there are other arrangements for it.

I can only spend a little money to recruit people.

Ten miners have been collected before, and the efficiency is OK.

Now there are more than 300 virtual coins on hand. When the corn wine is sold tomorrow, there will be funds in the account.

The salary is still affordable.

Although the price of wood on the market is three virtual coins, you can only give one virtual coin for five.

But those are the prices raised by unscrupulous merchants. Real wood is not worth this price.

They go to collect wood, afraid that the price will only be lower than themselves.

With the release of the post, players will soon come to consult.

Tang Zheng carefully selected 30 reliable loggers and miners and gave priority to settling a virtual currency as wages.

However, it is required to produce at least 100 pieces of wood or 50 pieces of stone every day.

Otherwise, the minimum wage on that day will be invalid.

This has not been criticized by everyone. After all, there are many people who take money and don't do anything.

For these new employees, Tang Zheng is not generous enough to directly equip an iron axe, but one person is equipped with a good quality stone axe or stone pick.

Only the first ten people who followed them used new bronze pickaxes.

After all, the value of iron axe is very high now. According to the quality, an iron axe on the market can sell at least 50-80 virtual coins.

In his spare time, Tang Zheng's synthesis platform will also be used by him to make iron axes in batches. If there are materials, one will be produced every hour.

But save it first.

He is not short of virtual currency at present, but he can't give such things as iron axe and pickaxe indiscriminately, otherwise he is making enemies for himself at will.

Go back. He's going to run these dog merchants.

However, he was hated by some chambers of Commerce and stared at himself. He bought iron axes and pickaxes from himself in batches and let his men equip them.

Like Li Bai last time, I don't know where to get my own coordinates. If I touch it in the middle of the night and make it for myself, I'll be finished.

People with some strength are not afraid of a group of Tang Zheng.

However, after being equipped with iron axes and pickaxes, at least more than a dozen forces are out of the way. Tang Zheng really can't afford to come to a group.

Caution is king.

"With the rise of the tribe now, I have to find a way to do some defensive measures, not only to prevent the monster frenzy that may come at any time, but also to prevent the hearts of the people." Tang Zheng thought to himself and wrote it down secretly.

People who are alone are not terrible, but people who hold together.

It already has great destructive power.

He scattered a group of employees. At this time, Moffett rushed back with more than ten trunks.

Tang Zheng made dozens of pieces of wood in the synthetic platform to move his muscles and bones.

His hands intertwined and forced him to support.

"Humanoid paper mill! Start!"