"I'm so dangerous, I can't come back? But how many brothers really didn't come back after this battle? I have an older sister. Pen, Fun, Pavilion www.biquge.info those comrades-in-arms in robes don't have brothers and parents? Can...... They're all gone forever. I was a medic in an emergency hospital, and I watched so many good brothers close their eyes forever. I even know how many brothers are on the battlefield, and they don't even have a corpse, so they confess to the vast desert and the vast grassland. I...... Can I be a deserter? As she spoke, Wu Wanying's words were also a little choked.

Wu Qiao'er looked at her younger brother in a daze, and suddenly felt that her younger brother was a little strange.

This is no longer the squeamish, willful, self-righteous brother he once was. In less than a year of military discipline, an unforgettable war deeply changed him. Let him learn to be responsible and dang.

Such strangeness comes from a man's mature change.

Wu Qiaoer was a little worried, but also felt relieved.

Thinking like this, Wu Qiao'er found that she was moved. For a while, Wu Qiaoer didn't know what to say.

The siblings fell into an awkward standoff.

At this time, upstairs of the hotel, I remembered a dense sound of footsteps. The hardwood floors were crisp and loud under the trampling of cowhide boots, and the heavy footsteps also meant that it was a group of men, many of whom were soldiers.

Wu Wanying heard that this was the sound of military boots, and suddenly became interested.

"It's great to have you with you all the way this time. Although we are all martial artists, we have all heard of Mr. Lu's "Sun, Moon and Stardial Style" and Mr. Chen's "Measurement". With two astronomers, this time there is a real hope that the level of navigation will be greatly improved. After all, the sailor is still using Grandpa Zheng's ability to go to the West. It would be too bad to cross the ocean and find the new continent that the Holy Lord had spoken of. It was Qi Yuan who spoke, and the naval officer looked excited and excited.

As for the few scribes around Qi Yuan, they are not famous in the eyes of ordinary people. Of course, in professional circles, both of them are number one figures. Therefore, both of them were hired as professors at the School of Astronomy of Beijing Normal University.

One famous work, Lu Zhongyu, wrote "Sun, Moon and Stardial Style", and another famous work, Chen Xinmo, wrote "Degree Measurement".

The development of astronomy in China was, in general, developed during the Song Dynasty. But it is a pity that the Yuan Dynasty met in the middle, and the suppression of the Ming Dynasty's ban on astronomy, astronomy became the patent of Qin Tianjian, and the development was suddenly slow. Although the Qin Tianjian as a specialized institution can study astronomy. But the fact that inbreeding is more mentally retarded obviously does not need much explanation. Therefore, throughout history, the astronomical level of the Ming Dynasty has lagged slightly behind the West at this moment.

If we are backward, we must learn from the advanced.

Lu Zhongyu and Chen Xinmo are representatives of the fusion of East and West in this era. For example, Lu Zhongyu's "Sun, Moon and Stardial Style" is the first work to use Euclidean geometric mapping to solve the projection of celestial coordinates on different planes.

Both of them were dressed as typical scribes of this era, dressed in plain robes, emaciated, and somewhat malnourished. Of course, they all set up a pair of gold wire mirrors. This is the benefit of Jingshi University, but anyone who has eye disease and myopia and can't see clearly can get glasses for free. Because, there is its own planetarium in the hall of Beijing Normal University, in which there are more than a dozen mirror craftsmen developing astronomical telescopes. Of course, it is also possible to make myopia glasses.

In the face of Qi Yuan's praise, although he knew that the other party must have done his homework so that he looked like he had admired his name for a long time, but when he thought of the generals of the sailor coming to invite him, he still showed a smug look, but he made a modest look on his face.

"Where, where, this general has won the award. We are all people who study miscellaneous paths, and we have only learned what we have learned, and we laugh and laugh. Lu Zhongyu said humbly.

Chen Xinmo also arched his hand and said: "That's true." We were actually surprised that the general could come to the door to invite us. ”

The two parties sat down, looking at the surprise of the two, Qi Yuan couldn't help but sigh: "Come to invite today, naturally there is something to ask for." The Holy Lord taught us that the sailors who lead the troops to fight should not engage in reckless and courageous actions, but must learn knowledge and understand learning. To tell you the truth, I was originally a student of Fuxue, and I had a reputation for raising my son, and I thought that I knew a little bit about the miscellaneous studies of the hundreds of schools, and I didn't care much about it. But later, as soon as he entered the water, he found that the world was vast and full of knowledge. For example...... This ocean-going navigation is to make countless sailors and warriors lose their lives, and how many children will never be seen again. ”

When Chen Xinmo heard this, he just bowed his head, and his heart was not only admiring the sacrifice of the soldiers, but also a little difficult to speak. Because, strictly speaking, he studied mathematics. Therefore, Chen Xinmo set his eyes on Lu Zhongyu.

Lu Zhongyu listened quietly and fell into deep thought.

"Therefore, we are here today to improve the method of ocean navigation. In particular, I heard that the Westerners have proved the theory of the circle of the earth, which is particularly unique in this method of navigation. But I knew that this was a way for people to make money, and they would never teach it, so I asked for it to go to the hall of Beijing Normal University. As he spoke, Qi Yuan got up and saluted respectfully.

Although the Ming Dynasty can surpass the West in the overall level of civilization, it has quietly begun to lag behind in some key areas, falling behind a great distance.

For example, the navigation of the sea.

Thanks to the fact that the Renaissance had already begun in the West, compared with the backwardness of domestic natural sciences, the West had accumulated a relatively high level of astronomical knowledge, thus achieving a dominant position in maritime navigation. This dominant position is not only a technical comparison, but also practical. If there is no reliable navigation technology at sea, then it is clear that running amok at sea will not help you die.

Compared with the Spaniards, the Grape and the Dutch and other Europeans could sail across the ocean, or even sail around the world, but today's navigation level of the Ming Dynasty is still at the level of Zheng He's voyage to the West, relying on the seaway needle and the navigation of the ocean.

Although the name is very charming and high-grade, it has fallen behind the world with the passage of time.

The so-called seaway needle is to summarize the experience records in the process of navigation and use it to guide navigation.

For example, in the "Zheng He Navigation Chart", "Taicang Port uses a Danyi needle to open a ship", which means that "Taicang Port uses a compass to sail in a 105-degree direction." ”

As for the transoceanic star tugging, it is actually a method of equal-latitude navigation. Determine your latitude by looking at iconic stars such as the North Star. In this way, even if you lose your direction while sailing in the sea, as long as you continue to sail at the same latitude, you will one day be able to see the mainland.

Magellan's previous voyages around the world used this technology. Of course, Magellan was a little more powerful than the usual isolatitude navigation, and he discovered the Southern Cross, the iconic navigation star of the Southern Hemisphere.

It is also simple to say why these two approaches lag behind the world.

Needless to say, the original of the Kaido Needle Sutra is self-explanatory.

As long as you know a little astronomical knowledge, you can also understand that if you want to determine your position on the earth, it is not enough to have latitude, but also longitude.

Nowadays, the Ming Dynasty has not even accepted the theory of the circle of the earth, and it is impossible to talk about the development of new navigation methods in this latitude and longitude.

Of course, for the Ming Dynasty of this era, it is fortunate that they have quietly deviated from the original track of history. A new Ming Dynasty has emerged, and the voyage to conquer the world has shown in Zhu Cihong's holy decree that countless new discoveries and new technologies are about to appear.

Like what...... In front of him, Qi Yuan arrived at the Beijing Normal University Hall.

Qi Yuan's identity is very familiar, this young officer who joined the Navy Division early is the seed cadre in the Navy Division, and now he is the Admiral of the First Fleet of the Beiyang Navy Division, and the captain of the flagship Dengzhou.

The empire is about to start colonizing abroad, so the sailors who have been ignored for a long time and can only serve as a transport brigade can see that they can embark on the road of expansion. As a member of the water division, Qi Yuan naturally stepped forward and began to run forward and back for the development of the water division.

Obviously, the development of navigation technology is a crucial part.

At this moment, Qi Yuan looked at Lu Zhongyu quietly, his eyes sincere.

When Lu Zhongyu heard this, he could only sigh for a long time: "I'm afraid, it's not something that can be solved in the future, this is really not a soldier who I don't help the water master." ”

Qi Yuan chuckled in his heart. This is to be rejected.

"Sir, please don't refuse in a hurry, everything is easy to discuss, and my sailor is not the one who detains the rope. As long as this new navigation method can be done, how many soldiers will no longer be lost overseas, and how many parents will look forward to the return of the Paozawa brothers to the camp, and they will no longer shed tears at the camp gate! Saying that, Qi Yuan couldn't help but get emotional.

Seeing this, Lu Zhongyu hurriedly got up and said, "Slow and slow, the general has misunderstood." I'm not saying I don't help, but ...... Although Westerners know this method of latitude and longitude, they have not mastered how to locate the longitude in the sea. Therefore, if you want a ready-made method, you can't do it. Even if I do it alone, it's hard to do it. When I say this, I really don't want to bully people, but in the end, I mistook the big thing of my sailors! The method of navigation can kill the lives of tens of thousands of soldiers, how can I be rash? ”

Hearing this, Qi Yuan understood, sighed for a while, bowed again, and said, "So, it's me Meng Lang." Mr. Lu, I thanked Qi Yuan first. ”

"You're welcome, you're welcome!" Lu Zhongyu said again: "If this matter can be done, it will also be a grand event for me to overpower Xiyi." Even if the sailors don't come to me, when I have the spare energy, I will do it! ”

"That's great." Qi Yuan breathed a sigh of relief.

He would not have imagined how this move would profoundly change the world.

At the same time, Wu Qiaoer, who was eavesdropping on the conversation between the two in the corner, was bright-eyed, and her eyes couldn't stop wandering. She watched Wu Wanying listen to the conversation between the two with relish, and a thought quietly appeared in her heart.

"Why don't you let my brother go to the water master...... Preferably, it can be sent to Mr. Lu to study. In this way, it is not only beneficial to the army, but also there is no need to go out in the hall of Beijing Normal University, but it is much safer......" Thinking like this, Wu Qiaoer was eager to try and went directly to do it.

The enrollment of Jingshi University Hall is much more convenient than that of later generations.

In this era, there was no college entrance examination, and the students of Jingshi University Hall were mainly divided into two paths. One is the exam. Those who have obtained the qualification for the examination are talents from all over the world, and as long as they pass the entrance exam, they can finally enter the school.

On the other hand, of course, this does not mean that a referral is eligible for direct admission. The recommendation only exempts them from the problem of qualifying for the show. You don't need to be qualified to take the entrance exam. If you are interested in natural sciences, you can also get extra points.

For Wu Wanying, it is obvious that he can take the latter path.

Because, as a meritorious hero of the army, not only is there a reward for meritorious service, but also the qualification for admission. In the past, there were only the North and South Guozijian, the South Beijing Normal School and the Army School, but now, there is one more Beijing Normal University!

Thinking like this, Wu Qiao'er ignored the previous argument, said a few words of gossip hastily, asked for Wu Wanying's name card certificate, and ran to the academic affairs office.

……

On the other side, Qi Yuan's side was not affected.

Seeing that Lu Zhongyu intended to help, he was naturally busy thanking him. On the other side, Chen Xinmo seemed much calmer, and said: "With such a big event, with our strength, I'm afraid it will be really difficult to do anything." In my opinion, let's go visit the dean first. ”

"Dean?" Qi Yuan's eyes lit up: "But Li Changde, who compiled the "Chongzhen Almanac", Mr. Li? ”

"That's right. This matter must be handled as a major event of our hospital! Chen Xinmo said.

After saying this, the three of them went to the office building of the Academy of Astronomy, regardless of the lunch they had just eaten. They didn't notice it, and there was a tail behind them.

was dumped by her sister, Wu Wanying was bored, and simply ran over.

Meanwhile. In the office of the School of Astronomy, Zhu Cihong touched his head, looked at the two blonde foreigners in front of him, and couldn't help laughing: "In other words, the lunar distance method has not come out yet?" ”

"Yes, yes." Li Tianjing smiled and eased the atmosphere: "This point, if it weren't for the Holy ...... Mr. Qin suggested that I am afraid that the two gentlemen will not find out from the pile of old papers. ”

This is indeed Zhu Cihong's mistake.

He remembered that at this time the West had begun to gradually surpass, especially in navigation technology.

But measuring longitude is a problem of the century.

In general, Westerners have recognized that the earth is round, and there is a theory of latitude and longitude. Especially after the discovery of the New World gave birth to the seafaring fever, countless ships rushed to the ocean, some of them died in the belly of fish, and more because of the backward navigation technology.

Therefore, they urgently needed a technology that could determine their own longitude.

Counting up, since 1514, that is, more than 130 years ago, the German astronomer Johann ? Werner raised the question of using the movement of the moon to measure longitude.

But...... One hundred and thirty years later, this problem remains unresolved. (To be continued.) )