Fang Jun was very surprised, could it be that the star pulling technique appeared in the Tang Dynasty?

He can build sailing ships, but when it comes to nautical knowledge, he is naturally not good at it, but the method of observing celestial bodies at sea to determine the position of ships should have been there for a long time, but it seems that a systematic system and doctrine have not been formed.

Yu Mingshi saw his surprise on his face, and thought that he didn't know this navigation technique that few people knew at all, and said with a little pride: "Zeng Yun of the Han Dynasty's "Qi Vulgar Training": 'Those who are confused by boat do not know things, and when they see Douji, they will understand. Ge Hong of the Jin Dynasty also said in "Hug Puzi Wai Chapter Jialian", "Those who are fascinated by cloud dreams must be guided to know; and those who are not in the sea will look up to the sun to be opposed. When Fa Xian of the Jin Dynasty returned home from India, he said that the sea was full and boundless, and he could not know anything but watch the sun, moon and stars. The art of stargazing and navigation has existed in ancient times, but the stars observed by the ancients were only a few such as Beidou, which is inevitably biased. If you have my star book, you can be worry-free day and night, sailing the sea like swimming in rivers and lakes. ”

Listening to what he said, Fang Jun expected that the Tang Dynasty had not yet appeared in the Tang Dynasty, but some sages had begun to pay attention to this field and slowly applied it to practice. It may not have formed a complete doctrine, but it has already set foot in it.

It is this spirit of practice that has made Chinese civilization thousands of years ahead of the whole world......

If it were someone else, he would definitely be moved by the bright prospects that Yu Ming said, but it was a pity that the person in front of him who planned to use the compass with the star map to create a new seamanship was obviously a bit LO......

Fang Jun doesn't need a complete star map, he needs a complete star pull, or a way to measure the height of the North Star to accurately locate and navigate.

"Please forgive Ben Hou for being rude, this kind of star map you said must be a collection of the efforts of the predecessors, and it is a shocking work. However, this diagram is completely useless to Benhou, who has mastered a device that can accurately find directions above the vast sea. ”

Fang Jun smiled, not only gave Yu Ming contempt, but also took the opportunity to throw out something more exquisite than the method of smelting iron and forging.

Yu Ming's really showed an incredible look, uh, how many times has this been? Yu Mingshi felt that he had gained insight today, and after living for such an age, he thought that he had already cultivated to the realm of being indifferent to external objects, but he was repeatedly surprised by this Hou Ye, who had not grown his hair......

Strictly speaking, Yu Ming can be regarded as the best scientist in ancient times, and his knowledge can really be proud of the entire era. And curiosity is an instinctive quality that every scientist must have, a device that can accurately find directions above the vast sea?

Yu Ming's heart is like a cat scratching, and he can't be calm......

"The old man knows that there is something that can indicate the north and the south, and his name is Sinan. However, Sinan is not easy to make, and the craftsmanship is complicated, and it must be placed in a horizontal place to make it stationary, so as to accurately indicate the direction. The ship is sailing on the sea, the wind blows and the waves are turbulent, and Sinan is useless. I don't know what Master Hou is talking about? ”

Curiosity can kill a cat, and Yu Mingshi doesn't know that he is about to be killed by this cat, and he can't help himself like a scientist full of curiosity.

This time it was Fang Jun's turn to smile proudly: "Uncle, let's talk about the method of iron smelting and forging." ”

Yu Ming's teeth were so angry that he gritted his teeth!

What a thief......

"Hou Ye wants to build a sailor, the old man has tried to make a kind of warship, called 'Flying Tiger Battleship', there are four wheels next to the ship, each round has eight-bladed paddles, floating boat in the water, with a wheel rushing water, its line is like flying, next to the hit rod, the enemy boat welcomes it, and it is broken! It's really a weapon of water warfare, and I don't know the eyes of the Hou Ye that this ship can enter? "The old man is obviously a little angry, he doesn't believe in Lao Tzu being a pedantic celestial, and he can't come up with anything that can stop you!

Fang Jun sighed slightly, isn't this the originator of "ship"? Five stars for groundbreaking, one star for practicality, not worth it at all! Master has seen the paddle steamer "Clermont" powered by machines in the documentary, where can you put this thing in the eyes of the master?

"The old man's father, he once created a new method of laying the ribs of the ship, which can greatly increase the strength of the ship and resist greater wind and waves without the ship being smashed and broken by the huge waves, has the Hou Ye ever needed it?"

Yu Ming's eyes were round, and he was more energetic!

Are you kidding? Wouldn't it be a hundred times better to increase the strength by laying a watertight cabin than by adding ribs? Just connect the watertight compartment bulkhead with the keel, the more watertight compartments there are, the greater the lateral strength of the vessel!

Fang Jun was still smiling, the old god was there, unmoved.

But his heart was very shaken, this old man is really powerful, Yu Ming is worthy of being "the waiter closest to God", almost everything he said is really a technology that was widely used in dynasties such as Song Yuanming, but this old man casually said, what kind of ability is this against the sky?

It's just a little bit worse than myself......

Moreover, this old man has such a wealth of knowledge, he must have a certain attainment in mathematics, at least he is a step above ordinary people of this era. Most importantly, is the Yu Ming clan a family or a tribe? No matter which one it is, it all shows that Yu Ming's is definitely not a person!

What a great fortune is a group with excellent traditions in mathematics, astronomy, and medicine for such a generation where 99 percent of the population is illiterate?

It was so huge that Fang Jun's saliva flowed down......

Yu Ming's was furious!

He didn't think that Fang Jun really looked down on these quid pro quo conditions he proposed, and it was even more impossible for this son Hou Ye to have a more intelligent opinion than himself! He took it for granted that this was a trick and wanted to seduce himself into proposing a higher-level quid pro quo, the little year discipline inspection committee was really treacherous and insatiable!

I wish I flung the sleeves of my robe and turned away, without taking a cloud with me, as he did when he came......

But the more intelligent a person like Yu Ming, the more persistent he became, and he was full of curiosity for the knowledge he could not master. Because they know that the process of achieving the unity of heaven and man and entering the supreme heavenly path is the process of conquering this vast world, and only by discovering all the mysteries of time can it be possible to get one step closer to the supreme goal!

"Hou Ye was in a high position at a young age, and he was also open-minded. Hou Ye was able to create hundreds of armor riding equipment overnight, and defeated in one fell swoop to win the south of the Yangtze River, and his achievements are no less than the famous generals of the ancients, and he will definitely leave a name in history and shine in the annals of history. The old decay broke fame and fortune, cut off the red dust, and had to be amazed and admired by the wisdom of the Hou Ye. Since the old man said that the Hou Ye can't look down on it, then the Hou Ye might as well expel the conditions, as long as the old man is within his ability, he will never refuse. ”

There's no way, it's hard to come, it's hard to lure, then you can only come soft......

It's just that Fang Jun is still a soft and not hard goods!

Hearing this, he smiled and said: "Since the old man said so, if Ben Hou doesn't put forward some conditions, wouldn't it be disrespectful to the old man?" ”

Yu Ming was so angry that he wanted to kill someone......

"It's so best, even if Master Hou wants the skin of a white bear in the far north, the old man will never postpone it!"

"Oh? My husband has also been to the far north? Can you still hunt polar bears? Fang Jun's eyes lit up, he was really interested.

Yu Ming: "......"

It's just talking, are you serious?

Seeing Fang Jun's shining eyes, Yu Mingshi regretted it so much that he almost gave himself a mouthful! With Fang Jun's age, I'm afraid that he likes this kind of curiosity the most, what is wrong with mentioning it himself, why do you want to mention this?

"Ahem...... How old is the old man, and the Hou Ye can't bear to let the old man go all the way to the far north? When I was young, I went to the far north and almost lost my life, and after I came back, I delayed it for several years before I could be regarded as recovering my roots. If you go again at this age, you will really not be able to come back......"

Yu Ming was really afraid that Fang Jun would let him go to the extreme north to kill a bear, so he skinned it and brought it back to him......

"My husband is old, how can Ben Hou be so unkind? However, compared to the old man's clan, there are also heroic people, why don't you send a few to the past? ”

Yu Ming's silence.

The most dangerous place in the world is not far behind the real hell, the north wind like a knife, the cold that freezes people's blood, the endless ice fields, and the ferocious beasts......

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