I am the cook, but I am Li Er's son-in-law

When did you attack Goguryeo?

This question made Li Shimin stunned for a moment. The court will definitely quarrel for a while about his whim.Coupled with this period of time, it is not a good time to start.

"Probably wait until the spring of the next year." Li Shimin thought for a while and gave an answer.

It's autumn now.

The autumn scenery is bleak, and a lot of scholars are full. They recite poems and fight against each other on the second floor every day.

Yin Xuan asked He Ri to arrest them and lock them up for two days, and then they became obedient and stopped talking about Wei Jin.

It will be about half a year until spring begins next year.

"Will it be enough in half a year?" Li Shimin also figured it out at this time.

Yin Xuan hesitated for a while: "It should be possible in half a year, they have been studying it before."

The surprise he was talking about was actually the train.

After the bicycle appeared, several young girls were very interested in this kind of thing that can travel when pedaling, and thought that now the steam engine is used to turn the water wheel.

A steam engine with such big wheels can turn, let alone a bicycle?

But... it's easy to be big, but hard to be small.

It is very difficult to add such a large steam engine to a bicycle.But for this...Fang Yiyu has already thought of a solution, that is to store the electricity, and then make an electric device, wouldn't it be good?
This is Fang Yiyu's method.

For example, Li Lizhi and the others didn't study this.

Since... there is no way to use it on a small machine, let's make the machine bigger, but there is no pressure from outsiders, except for Fang Yiyu and Li Shuhui who will work hard to research batteries.

The research on this large vehicle has been fishing for three days and drying the net for two days, and there is no obvious progress so far.

Hmm... I have to find a way to remind them.

Fried some snacks for Li Shimin.

But no matter how much he begged, he wouldn't give him any drinks. Yin Xuan spoke eloquently and said exactly what he said, was that a joke?
The guards in the back had seen it many times, but they were still a little dumbfounded.

Is Li Shimin short of drinks?

There is no shortage of drinks produced by Tongfu restaurants.

But his majesty just likes this tune, if he comes to Tongfu restaurant one day, he will feel uncomfortable for a while if Yin Xuan doesn't take care of him.Hmm...he didn't dare to say the word "swear".

Yin Xuan sat across from Li Lizhi, and a few girls were writing papers carelessly—this was their daily homework, and they were all questions they had done before.

Once a day, don't forget what you learned before.

The deeper content can only be studied by themselves, and the things other than the basics must be mastered down-to-earth.

"Did you hear what I said just now?" Yin Xuan tilted his head and looked at the little girls.

They nodded.

"How's the steam car research going?" Yin Xuan asked again.

Several little girls laughed, looking very embarrassed.

"I haven't turned it over since half a month ago." Li Lizhi's eyes drifted straight to the counter. The blueprints have been placed there all along. Now...there should be no dust, right?
Liu Jingxian and the others are very diligent, and they have to wipe the inside and outside of the house five or six times a day.

Yin Xuan raised his hand and tapped Li Lizhi's head lightly: "Hurry up during this period, and try to get it out before the end of the year."

Li Lizhi nodded her head pecking at the rice.

Then he turned his attention to Fang Yiyu.

Fang Yiyu looked a little haggard, she sighed, and shook her head: "My progress here is not very smooth, last time Brother Zhengyang taught me how to make dry batteries..."

"But it's useless."

"The battery is too low." Fang Yiyu frowned, his eyes were full of puzzlement, "I can't even connect the copper wire and make the filament light up."

"I can barely make some gadgets."

For example, a villain who swings when you turn on a switch, a villain who can play a gong by himself, a small electric fan that doesn't have any wind when it turns...

It is far from what she imagined, where it can be installed on a bicycle and the bicycle can run by itself.

Yin Xuan smiled and shook his head: "This is already great."

As he spoke, he paused for a moment: "Talk to Miss Wu later and ask her to make a few of these gadgets to see if there is a market for them."

"If there is a market, then open another factory and recruit some manpower to produce these things."

Fang Yiyu froze for a moment.

She didn't speak, turned around, and took out a somewhat rough wooden figurine from under the counter—this was handmade by Li Lizhi herself.

Take out two more batteries and install them—there is no switch installed, so there is no obstructing insert. The moment the batteries are installed, the villain starts to move.

The two hands moved ghostly, making a noisy sound.

"Will anyone want this thing?" Fang Yiyu stared at this thing and questioned his soul.

Li Lizhi was a little unconvinced, she made it so cute, how could no one want it!

Yin Xuan pursed his lips, a little embarrassed.

Yes... This thing is a bit ugly and noisy, but it is a toy anyway. When I think of the toys I played with when I was a child, they are also ugly.

But at that time, I couldn't put it down, and I could cry for a long time for a toy.

Older people do not understand the world of children.

This is especially true for the children of Datang, who have just started to live a good life. They don't have to help hug pigweed and herd sheep when they were young, just like their parents. It is a time when the spiritual world is lacking.

Children's money is best earned.

But... It's hard for him to say such things. After all, he is not as thick-skinned as a real merchant. After a moment of silence, he said with a smile: "Give this to her, and she will find a way."

These little girls may not understand what they mean.

But... Yin Xuan never doubted that Wu Jue would not understand what he meant.

Fang Yiyu nodded hesitantly, she still felt that this item was unlikely to be sold.

Encouraged by Yin Xuan.

The next target of the girls was the steam train - the car is not in a hurry, even if it is really made, it is more convenient to walk on the cement road.

But from Datang to Goguryeo, there is no concrete road in that kind of land boundary.

So the train will be more applicable, not to mention, the research of the train is more convenient than the research of the car.

Railroad tracks, trains…

With the goal pointed out by Yin Xuan, this kind of relatively speaking, the technical difficulty is only a steam train on a steam engine, which was quickly built.

A few little girls wrapped a long street in a remote corner of Huaizhen Square, laid a railroad track, and the prototype ran on the railroad track whining.