On the morning of June 25, Li Yuzhen came out of the Royal Academy of Art and went to the Imperial Academy of Science and Technology opposite.

Anyway, these two research institutes that love and kill each other occupy a square together, and the street is opposite the door, and the emperor usually goes out of this door and that door when he inspects the emperor, but he usually goes to the Royal Academy of Art first, who makes the family crown the word "royal"; Moreover, the art of art is on top of the science – at least for now, and for many years to come. Although the art of science has manifested its power in many ways, and in the scarce environment, it has a farther future in this world than the art path, but there is still a long way to go to catch up with the art path and be able to fully compete with it.

When Li Yuzhen came out of the Imperial Research Institute, it was already a quarter of noon, and the Crane Mansion ordered Princess Xiao Guo's rigorous and insipid divine sense transmission to come forward in the open sea of her realm:

[Witch Court Message: Great Eclipse, Euroton, Holy See, the three parties are scheduled to meet in the Mediterranean Sea on the second day of the seventh month, and the specific location will be determined on the same day......]

Li Yuzhen rode his horse while listening, his eyes were calm, and he was not surprised, It would be strange if there was no movement in these three parties-how could Euroton and the Holy See let it go when they waited for this opportunity?

Alliance? Scold......

Li Yuzhen remembered a top-secret piece of information that Jing'an General Meng Keyi once faced, and those thin and cool eyes had a bit of unfathomable depth.

The next morning, the same piece of information presented by the Privy Council Chief of Staff appeared on the Imperial Case of the Dongnuan Pavilion.

Li Yuzhen first noticed that the time of receipt marked on the intelligence submission was 5:47 p.m. yesterday -- a difference of 6 hours and 32 minutes from the time when the innate mage of the Witch Sacrifice Court transmitted his divine sense.

Li Yuzhen said that "it can be seen" at this speed.

According to the theory of the Imperial Academy of Sciences, the speed of electromagnetic waves is equal to the speed of light, but in fact, because there are many obstacles on the surface, the longer the distance is, the longer the transmission time, not to mention the need to cross the ocean, limited by the natural obstacles such as harbors, straits, and islands, the radio waves are sent from Kaixia Mansion, and they must be transferred by several relay stations before the information can be sent to Chang'an - only six and a half hours different from the divine consciousness transmission of the innate grandmaster, which is very fast.

This is a great step forward in the way of science that has come out of the world.

However, in Li Yuzhen's eyes, this kind of communication method that can only knock codes to transmit wavelength signals and then translate them into text is still a big distance away from the instantaneous transmission of graphic and text materials by the magic circle - so she can only be rated as "eye-catching".

Radio communication has been developed to the fourth generation, radio equipment is becoming more and more sophisticated, the volume is getting bigger and bigger, of course, the manufacturing cost is also rising in a straight line, building a medium-sized transfer station requires a budget of hundreds of thousands of taels of silver, plus must train professional sending and receiving personnel, this huge team must increase the technical official position, such a cost, in addition to the advantage of not needing the spar, the total cost is not less.

However, compared to the non-renewable resource of energy ore, no matter how much money is spent, it is just money.

Moreover, Datang no longer needs to hide its clumsiness, and the huge amount of money spent on training and maintaining the pigeon whistle and eagle whistle over the years can be removed and used instead to build a radio station.

According to the plan of the Imperial Communications Department, within a year, Datang can establish a radio station communication system with the imperial capital Chang'an as the core, connecting all provinces at home and abroad and down to the state level, so that Chang'an's control over the administrative regions at home and abroad will be more convenient and powerful.

Gaozong said that if the Tang Dynasty wants to become the master of the world, it must establish two foundations and build two webs like a spider: one is a fast road traffic network that extends in all directions, and the other is a fast communication network that extends in all directions.

——Now, these two nets, after the efforts of the eight emperors of the Tang Dynasty, are finally going to be weaved.

Emperor Li Yijiang once said: "Zhaohua, we were born in a great era, a most fortunate era, and the painstaking efforts of the previous emperors have borne fruits that can be picked in our two generations." ”

The fruit has long been fruited, but when the time is not ripe, it can only be hidden and hanged, which is a torture for the emperors who have a strong desire to make meritorious contributions, and they must be forbearant and restrained, so that they can be willing to give the sweet fruits they have worked hard to create to future generations to pick. It is not easy to make this kind of decision, it is not easy for the emperors of the past dynasties, and it is not easy for the Tang Dynasty - it is necessary to bear the losses covered by these technologies.

This is the price to be paid for clumsiness.

If you want to hide from the shrewd intelligence agencies of the empire, Datang must seal these achievements, once widely used, it is impossible to keep them secret, but if they are not used, they will inevitably cause losses, in terms of communication alone, the losses caused by the untimely information in all aspects of the empire's administration, commerce and logistics, etc., which are difficult to estimate.

Li Yuzhen remembered that when the ground movement in Guangzhou was in the past, if the Jing'an Division had already used a radio station to transmit a telegram, and a telegram would be sent over, and Lingnan Dongdao and Guangzhou Thorn Mansion would receive it in a few minutes, how could the king of Qi delay the announcement of the imperial court by shooting a signal eagle?

…… However, this is not certain.

Li Yuzhen snorted again, maybe her Uncle Qi Wang would do everything possible to send the Grandmaster to sabotage the radio transmission.

It's not impossible.

Although the radio waves are radiated like the light emitted by the sun, even if the master of the Grandmaster Realm can search for the radio waves with his divine sense, he must interrupt its emission unless it is near the periphery of the radio station, and instantly isolate and distort the air around it with great force, so that it can be interrupted or emitted.

This difficulty is definitely a thousand times more difficult than shooting a falcon, and ordinary grandmasters can't do it.

Moreover, unless this Grandmaster directly destroys the transmitting station, the radio can be transmitted without interruption, how long can the Grandmaster isolate it? And the grandmaster interrupted the radio transmission or even destroyed the radio station, which in itself meant that it was exposed, and it was necessary to consider that it would be impossible to escape immediately, if you want to block the information, it will only be delayed for ten minutes at most, and the higher-level telegraph station will react.

Therefore, the possibility of radio transmission being cut off is relatively small, and what Li Yuzhen should be concerned about is the confidentiality of radio transmission.

She has seen the experimental demonstration of the Imperial Academy of Sciences, the theory of electromagnetic waves is not complicated, of course, if it were not for the science scholars who specialize in electromagnetic research and experiments, it would be impossible for ordinary people to discover and pay attention to it in reality; The Dharma Master is studying a different way, and the realm of the rules of truth is completely different, just like one north and the other, they can't understand each other, and arguing with each other is "This is not the way!" "It's not scientific!" Chickens and ducks say, warlocks and academicians are full of this ridiculous quarrel as long as they get together. But once this theory is discovered, it's as simple as that.

Therefore, the application of radio communication is not complicated, once Datang builds a radio station on a large scale, I believe that in a few years, other countries, at least the Oghuz Khanate, which has long studied Datang's development of science education, will soon follow, and other countries as long as they master the principle, they can also study equipment, intercept Datang radio waves and try to decipher - but this is still quite a long way away, at least thirty or fifty years, even if other countries embark on the road of radio communication, It is also impossible to grow up to intercept the radio communication waves that Datang has studied to the fourth generation.

That's where clumsiness comes in.

Take one step, pre-ten steps.

Datang will only show one step after taking ten steps.

All low-end technology is easy to imitate, Datang wants to maintain military and national strength, it must make others unable to imitate, can only follow behind, when they imitate from the low-end, Datang is already in the high-end.

……

Li Yuzhen took Zhang Yujian, wrote a few lines of words, and stamped the small seal of "Zhao Xun Qihua".

"To Academician Park of the Imperial Academy of Sciences."

Guan Xia should take the imperial note, envelope it, and use the address and name of the standard imperial cabinet script.

The crown prince did not order it to be delivered immediately, that is, it was disposed of as usual, and Guan Xia put the letter on the side of the black lacquered sylphant case.

When the long silver needle in the mechanical clock in the corner of the room was quietly pointed to the hour, the chamberlain of the secretary of the prison took off his duties and entered silently, and classified and handed over the approved chapters and the letters issued by the prince to the two major military and political hubs, the government hall and the privy cabinet, or the ministries directly under the emperor's direct jurisdiction, or returned to the capital to be issued by the division. The Imperial Research Institute is a ministry under the direct jurisdiction of the emperor, and it must be "sent directly" by the department to the superintendent.

Outside the Imperial Pavilion, the scorching sun is like fire, and the porcelain basins placed along the corridor are thick green and golden, dancing with light and shadow, and the shadows under the basin gradually shrink into a ball at the bottom of the basin as the sun rises.

It's already noon.

Guan Xia reminded gently.

Li Yuzhen put down the red pen and glanced at the imperial case, there were still three boxes of notes that had not yet been approved. She got up and went down to bed, and at noon she was to dine with her father.

Before he came over, he continued to approve the papers, and the two newly submitted boxes of notes had already been shelved on the imperial case.

Although all the things that have been disposed of by the political affairs hall have been pasted with yellow abridgements, and most of the government affairs have been disposed of in the political affairs hall, and they have not been submitted, and only one thousandth of them have entered the imperial case of the Dongnuan Pavilion, but Li Yuzhen still has a feeling of being trapped in the papers. Although she is quick to read the notes with her divine sense, the problem is that the handling of government affairs needs to be considered and weighed, and it is not a matter of reading it quickly and disposing of it quickly. It is no wonder that the emperors of all dynasties did not live long, and they were trapped in this boring work of reading and revising day after day, and they had to think diligently, plan the future of the empire, weigh the relationship between ministers, and deal with government disputes, how to live a long life?

…… The main thing is that it's boring.

Li Yuzhen's eyes swept over the long window, the blue sky outside the window, the white floating clouds, but he was in this bitter criticism, dealing with all kinds of bad things like national politics, military and politics, and Xiao Yan, this may be under the clear blue sky, by the clear mountains and rivers, leisurely, happy, happy...... Li Yuzhen's cold eyes were fluttering with a flying knife.

Didn't Xiao Yuezhi say that a good friend wants to stick a knife in both ribs?

Li Yuzhen decided to insert Xiao Yan twice.

——Want to enjoy the blessings of Xian Fu in the gentle township? Hehehe!

……

Xiao Yan, who was walking through the stone forest with Shen Qingyi, suddenly shivered.

When I looked up, the sun was blazing.

Why do you feel the chill?

***

The second day of July, the Mediterranean.

The sun is blazing.

The Mediterranean Sea is surrounded by the north and south continents, it is a land sea, the weather in summer is very hot and dry, and the sea breeze blowing is dry and hot, unlike the salty and wet in the Atlantic, and the sailors only stay on the deck for a while, they feel like salted fish exposed to the sun. Under this blazing sun, three fleets flying different flags were heading from three directions to Crete in the eastern Mediterranean.

The fleet from the south was hung with a white sword flag on a red background, and above the two crossed swords, the words "All things are not the Lord, but Allah" was written in the Great Food Script, which was the fleet of the Great Food Empire.

The fleet from the north, with a red, white and black vertical banner and a double-headed golden lion embroidered in the upper left corner, was the Mediterranean fleet of the Euroton Empire.

The fleet coming from the northwest with a red cross flag on a white background is the fleet of the Holy See.

When it was a nautical mile from Crete, a new flag was raised on the main ship escorted by all three fleets.

The main ship of the Great Eclipse raised a golden crown with a white flag of Allah - symbolizing the wisdom of the caliphate and the gift of Allah; The main ship of Euroton raised a golden lion flag with a crown, which was the flag of the Emperor; And the papal scepter flag was raised on the main ship of the papal fleet.

The Great Food Fleet is the Mediterranean Fleet, but the main ship of the cluster is not the flagship of the fleet, but the caliphate "Allah", the main ship of the Euroton fleet is also the emperor's special ship "Alexander", and the Great Food Caliph Amaia IX and the Euroton Emperor Charleman are standing in front of the glass window of the main cabin.

The glass windows of the main cabin are high-strength glass refined by alchemists and engraved with defensive circles, so you don't have to worry about storms and assassin attacks. The eyes of the two wives looked through the glass window at the papal scepter flag raised on the main ship of the Holy See "San Maro", and there was no look on their old or indifferent faces, only a cold color in their eyes - it was the papal scepter flag, not the papal crown flag, which meant that it was the papal envoy who exercised power on behalf of the pope, not the pope himself.

Although both Majesties knew that the Pope, as a congenital being, would not personally come to the tripartite meeting, how could this sense of being looked down upon by a position above them make people feel comfortable?

At this moment, Amaia IX and Charleman remembered the line on the banner engraved on the crown:

Allah is above.

- I have divine rights.

Both of them felt like they had swallowed a bitter olive, with an astringent taste.

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Thanks to the pro who threw the bomb:

Shangguan Ningqi threw 1 mine Throwing time: 2017-01-19 16:08:20