At night, I don’t know what time it was, but a bonfire was lit at the Xia tribe’s city wall construction site.

All the free people in the Xia tribe are busy at the city wall. In order to speed up the construction of the city and give everyone a safer place to live, they are working hard! As long as all the city walls are completed, they can move to a city with a higher wall.

If they go to live among them, they no longer have to worry about being attacked by other races at any time!

Just because the city construction site was busy building the city, I don't know how long they have been busy.

While there was still some time in the evening, Wang Wei was thinking about how to make a simple timer? A device that can calculate time.

By recording time, he also figured out how to record weather dates.

This may not be important to primitive people, but it is very important to Wang Wei. He needs to know every time of every day at all times.

Ancient people had dedicated people to keep watch at night, and I don’t know how they told the time.

Regarding making a simple clock, Wang Wei thought this way, using an hourglass to keep time.

First, you need to make a funnel, and then you need to find extremely fine sand. Then you need to make a timing device similar to a sundial. The original meaning of a sundial is the shadow of the sun. Its principle is to use the projection direction of the sun to measure and divide time. This thing is in the history books.

Saw it.

But Wang Wei doesn't use a sundial to tell time, because there is no sun at night, and the sundial is useless at night. He just uses the sundial to record how much sand flows through the funnel in a day.

Then divide the day's sand into 24 equal portions, each portion representing an hour.

He is quite satisfied with being able to achieve such accurate time. As for being able to refine the time from hour to minute, it doesn't make much sense now.

He thought why not replace the sand with water? That was because the water would evaporate.

With the tools to measure time, he also wanted to build a clock tower, where people would be responsible for adjusting the clock so that people could tell what time it was at a glance.

So who will manage it?

At this time, Wang Wei thought that there were two special talents in the Xia tribe, one was Xia Bing who could tie knots to remember things, and the other was Xia Shuang who could draw birds. The two of them were not enough, and they had to find a few more disabled people to specialize.

manage.

Wang Wei first called Xia Bing and Xia Shuang and told them his plan and the importance of this matter.

Xia Bing and Xia Shuang were still injured, and Wang Wei did not arrange any specific tasks for them. They had been doing odd jobs at the construction site. Xia Dao from the Xia tribe had already become the leader of the breeding team, and he had long envied these two people.

Their teeth were itching. They thought that the king had forgotten them and would always hang out in front of the king when they had nothing to do. However, every time they greeted the king and left slowly, they always hoped that the king would suddenly call them and arrange things for them to do. But they

I haven't waited for that moment.

Today they finally had the opportunity, and the king came to see them in person. After they heard that the king had a new mission, they were already filled with joy.

So Wang Wei took Xia Bing and Xia Shuang to find Xia Tu and Xia Sha in the pottery group.

Xia Tu and Xia Sha are now considered old craftsmen in making pottery. They have several young people helping them, as well as several older children in the tribe. The pottery team now has ten people who specialize in making various pottery for the Xia tribe.

In the cafeteria, several people gathered together.

Wang Wei gave them the time-recording equipment they were told to do and assigned them new tasks.

The pottery group needs to make a funnel and a measuring cup for sand. The inside of the funnel needs to be very smooth.

In order to explain it more vividly, Wang Wei still used his old method of making a funnel model out of clay.

The task given to Xia Bing and Xia Shuang is to find sand, turn the sand into extremely fine sand, and make the sand dry.

Wang Wei's task is to make a sundial. This is simple. Use a thin stick perpendicular to the wooden board. Then place it diagonally. At a certain time in the morning, when the sun shines on the position of the thin stick, mark the position. At this time, you must simultaneously

Pour the sand into the funnel, wait until the sun's light coincides with yesterday's mark the next day, end the day, and the sand in the funnel stops leaking.

Then divide the sand under the funnel into 24 equal parts for one day and one night, and divide it into 24 hours. The first stage is basically like this.

Wang Wei will tell Xia Bing and Xia Shuang how to proceed after the first stage is completed.

After everyone received the task, they went about their business.

----------

In the hut.

Wang Wei is soaking his feet.

The carpentry team made a new wooden foot soaking bucket for Wang Wei. The wooden bucket is taller, holds more water, and is very comfortable for soaking.

Tonight, Wang Wei soaked his feet while Su Xiaoxiao and Hua massaged his legs respectively.

Behind him, Mei was massaging his shoulders and neck, soothing his muscles and bones. He felt as if he was floating, and his whole body felt much more relaxed.

Wang Wei asked Mei and Su Xiaoxiao.

"Do you know what is poisonous? And it's more powerful."

Mei said: "What is it used for?"

"Haha, I am of great use. You know that the Xia tribe has bows and arrows now, but our bows and arrows are not very harmful. To make the bows and arrows exert their maximum power, I need to add poison to the arrows to increase the damage, so that the opponent will lose the battle quickly.

."

Su Xiaoxiao: "I know, snake venom."

"What snake?"

"I don't know the name. Can snake venom be used?"

"That's okay, but we need a lot of venom, which can be used at any time. Besides, snake venom is not safe. If it is not stored well, we ourselves may be harmed. Besides, winter is what you often call severe cold. When the severe cold comes, all snakes

It's like hibernating, and we can't find them."

Mei said: "Then get it from the vegetation."

Wang Wei said: "I know, but we need to refine it, which is also very difficult."

Regarding poison making, Wang Wei was most impressed by Guan Yu's scraping of bones to heal his wounds in the Three Kingdoms. Hua Tuo, the miracle doctor, came to treat his wounds and deduced an ancient legend of "scraping bones to cure poison". What Guan Yu was poisoning was extracted from grass.

The name is 'Aconitum', which is a very powerful poisonous weed. Unfortunately, Wang Wei doesn't know it, and he doesn't know if it exists in this world.

Wang Wei actually knows a kind of poison, which was used by many city defenders in ancient times. Its name is 'golden juice'. This poison is very easy to obtain. It is a decomposed liquid mixed with animal carcasses and dung water. This is a good thing.

It's a biochemical weapon. It's just that the onset time of this poison is a little longer, but in the absence of better poisons, it's a better way to use 'golden juice'.

Wang Wei finally decided that the Xia tribe would use this biochemical venom.

Seeing that Wang Wei was thinking, Mei said nothing.

Until she saw him looking up at her and knowing that he was not thinking anymore, she suggested:

"You can ask Aunty Rong, Auntie Hu, Auntie Fox, Elder Cao and others. Maybe they know the poison you want."

Wang Wei nodded and felt the back of his head touch the soft spot on Mei's chest standing behind him. He was familiar with this matter. Previously, Hu Meizi had let him lean against her like this, which made him lose the ability to think about the problem.

Mei moved back slightly, thinking that Wang Wei did it unintentionally.

Wang Wei's head continued to lean back, and then rested on her chest.

Su Xiaoxiao and Hua, who were squatting on both sides of Wang Wei, looked at them with smiles.

Wang Wei's face felt a little feverish and he smiled and said to them:

"Actually, we are doing pretty well, are you right?"

Hua was puzzled and asked: "What's good?"

Mei and Su Xiaoxiao held back their laughter.

"Hua, have you seen those savages on the other side of the river?"

"Saw it."

"Look, they don't even have animal skin clothes. Many of them just wear a piece of animal skin or leaves around their waists. I heard from Xia Yi that they eat raw food. Do you think we are doing pretty well compared to us?"

"

"Um."

"But they are our biggest enemies now, and they are very harmful to us. Once they have no more food, they may find a way to cross the river."

When talking about this matter, the three women in the room became silent. They were worried, but they had no choice.

Mei asked: "What method?"

Wang Wei happened to ask Mei about whether the cold rivers in this place would freeze.

Mei gave Wang Wei a positive answer.

This made Wang Wei even more worried. If the ice in the river was not thick, it would be okay. If the ice was too thick and he could easily reach the river, something big would happen.

Regarding the thickness of the ice in the river, Wang Wei could only ask Shi Yun. Her tribe has always lived here and should know better.

The day passed so long, Wang Wei fell asleep under the massage from Mei, Su Xiaoxiao and Hua.
Chapter completed!