And the smuggling that Leng Feng thought of was to leave Chang'an openly through Fan Shen's boat.

Fengshui is one of the eight waters, although it is not on Fan Shen's cargo route, but it is still no problem for him to drive the boat here.

Soon, the carriage arrived at the edge of the water.

At this time, Fan Shen's empty ship was already waiting here.

Seeing that there were so many people in the big car and small car behind Leng Feng, Fan Yuan smiled bitterly: "Although I arranged a boat for the Dragon Tooth Army, I still felt uneasy, so I brought some more boats over." It seems that my worries are not unnecessary. ”

Leng Feng jumped off the horse and said with a smile: "Blame me too, I should give you a similar amount." How about your boat going all the way to Dengzhou? ”

Fan Luo pointed to the boat behind him and said: "It's all new boats, it's completely fine, even the river has bumps, maybe some people can't stand it and will get seasick." ”

"That's not a problem, seasick can go ashore and go to Dengzhou by land, it's just a little slower than the waterway."

Chang'an to Dengzhou is down the river, I don't know how many times faster than the land route.

Under Leng Feng's arrangement, everyone began to move things to the boat. Fan Yuan prepared a large boat for Leng Feng's family alone, the cabins were all separated, and there were beds. Aside from the fact that it will be bumpy, it is simply not too comfortable.

However, Leng Feng did not get on his own boat first, but got on a boat with Li Tai and a group of his men.

After such a long time, these guys still haven't even figured out why the ironclad is floating on the water.

When all the preparations were made, the fleet turned the bow and headed downstream. Along the way, there was nothing in the way.

Actually, Leng Feng still missed the calculation.

Even Fang Xuanling's family has the emperor's eyeliner, how could he not have it at home.

Regarding his arrangement, as long as some is revealed, combined with the news of the emperor's spies, Li Shimin can guess his thoughts.

The reason why no one was sent to stop it was actually because of Li Tai and Li Ke.

In Li Shimin's opinion, since Leng Feng deliberately brought Li Tai and Li Ke, he would not do anything out of the ordinary. So I didn't bother to stop it.

The sunlight in the imperial study is very abundant, and Li Shimin does not mind direct sunlight until it is a hot day.

A shadow appeared, Li Shimin looked over, and saw that it was Li Zhi.

Li Zhi walked to Li Shimin's side, thought for a while and said in a choked voice: "Father, the eldest brother, they all went out to Chang'an to play, and the sons also want to go out to play." ”

Li Shimin couldn't cry or laugh, and patted Li Zhi's head: "Silly boy, your brothers are out, but they don't go to play, but they all have something to do." You are still young, when you will be a vassal, you will be able to leave Chang'an. ”

The princes all have fiefs, and under normal circumstances, the princes will complete their primary education and get married, and then leave Chang'an to become a fief to their fiefs. Except for some important festivals, it is easy not to return to Chang'an.

But Li Tai and Li Ke are two exceptions, both of them have their own things to do, and what they do is very important. At least, you can't go to the fiefdom to simply live happily.

Because of this, although the two of them don't go to the domain, and the system is not compatible, but so far, only some stupid officials will go to the table, but the big guys at the top have avoided talking about it.

Li Zhi thought about what he looked like, and then compared it with the present, and suddenly said with a sad face: "But father, if you go to Jinzhong, it will be very bitter and boring." It's better to stay in Chang'an, father, can the sons and daughters not go to the domain! ”

Li Shimin stopped his pen and said with a smile: "If you don't want to go, you can do it." As long as you're like your two royal brothers, you have something to do. You see, your Qingque Emperor is the president of the scientific research institute, and the scientific research institute has been a blockbuster in recent years. The appearance of the steam engine shocked the government and the opposition.

Li Ke, the king of Shu, is now serving in the Martial Academy, which is a place for high-level military talents. Don't say anything else, the guerrilla god general Tang Jin you have always been curious about is from the Martial Arts Academy.

If you want to be a feudal Okay, you can think about this matter yourself, and your father still has to review it, so you can step down. ”

Li Zhi could only salute and leave.

Walking out of the main hall, Li Zhi couldn't help but fall into confusion. What can make the civil and military officials turn a blind eye to the things that he does not accept?

His mind is very messy....

At this time, Leng Feng was also very messy, and he couldn't wait to throw all the most primitive scientific researchers on the boat into the river to feed the fish.

Isn't the obvious phenomenon of a copper kettle floating in the water enough to inspire them?

Let them experiment, but they stupidly threw an iron block with a rope tied to it into the water.

Li Tai noticed that Master's face was very unsightly, so he brought Master a pot of tea.

"Master, don't be angry, we are not as smart as you, how can we understand the truth so quickly."

After Leng Feng took a sip of tea, he couldn't help but say, "Forget it, I'll tell you the answer directly." This phenomenon is considered to be a kind of knowledge refined in physics, called Archimedes' law. The content of this law is that an object immersed in a stationary fluid is subjected to a buoyant force equal to the weight of the fluid discharged by the object, in a direction straight upwards and through the centroid of the discharged fluid.

You've all taken simple mechanics classes, so I don't need to translate this sentence for you. ”

Everyone nodded their heads and wrote them down. Ponder what it means.

Li Tai scratched his head: "Master, I remember everything that comes up with the rest, but, what kind of chicken came up with this law?" Is this chicken a sperm? ”

Leng Feng snorted and laughed: "It's Archimedes, not a chicken." This guy is from ancient Greece more than 800 years ago, but although he discovered this law, he did not apply it to shipbuilding. According to this theorem, a copper kettle can float on the water, and a copper kettle that is magnified enough to stand on the surface of the water can also stop on the water.

If you want to build an ironclad ship, you must build an ironboat that will stop on the water when it is stationary, and many people will still stop on the water according to this law. At the same time, this iron ship must be stable, and it can't just capsize because of a small impact or strong wind. ”

Li Tai scratched his head, sat down on the bow of the boat, stared at the ship in front of him, and began to think.

Leng Feng didn't interrupt Li Tai's thoughts.

Although he can tell Li Tai a lot of answers directly, he still has to let Li Tai explore it on his own.

It's like Archimedes' law, discovered, and can be applied to all aspects of the world is only a thin line. But if you can't pierce the window paper, it's just a law that looks high.

As night fell, the boats began to look for gentle channels and banks suitable for camping.