Tang En had been thinking about launching a satellite for a long time. It could be said that he already had this idea when he started planning for the airship.
This was because the significance of satellites to the development of society was too great.
Due to the uniqueness of Prandal communication technology, the importance of ultra-long-distance communication with satellites had been greatly reduced. However, this did not mean that satellites had lost their usefulness, because they could still capture maps, monitor the weather in real time, and observe the weather. Most importantly, they could use multiple satellites to implement a positioning and navigation system.
How important was the navigation system?
It could be said that as long as the main components of society were still distributed in Prandal, a navigation system was indispensable.
It was not only a civil navigation system, but more importantly, a military navigation system. Through the navigation system, Tang En could set up ultra-long-range missile launching systems in many places and then lock on to the target through satellites. He could then attack the enemy with ultra-long-range missiles without leaving the house.
Although they had developed the long-range "Dongfeng" missile series, they had never really used it on the battlefield except for test launches. This was because they didn't have a perfect positioning and navigation system.
The laser guidance system on Earth was very good, but Prandal did not have that kind of technology, so they could only use other technology to replace it.
If the Army of Chaos attacked, apart from using the Golden Giant Statue army to fight head-on at the frontline, they could also directly control the missile base at the rear to launch long-range attacks. This was also one of the reasons why Tang En was so anxious.
As for the principle of navigation, it was actually very simple. To put it bluntly, it was using the time difference between multiple satellites receiving signals and the signal propagation speed to calculate the distance and position. After explaining the simple principle, it was up to the technicians to figure out how to implement it.
Of course, there were two important data indicators involved. One was that they needed to accurately calculate the speed of the spread of the magical waves, and the other was that they needed to be as accurate as possible.
The precision of the atomic clocks used on Earth's satellites was calculated in nanoseconds. Only clocks with such precision could meet the requirements. Currently, the goblin mechanical clocks commonly used in Prandal certainly could not meet the requirements. Fortunately, they had discovered the prehistoric civilization's computer this time. Together with the prehistoric communicator they had previously discovered, they could analyze the clock technology they used. Considering that the speed of the magic wave's transmission might be much slower than the speed of light, this kind of clock technology was estimated to be sufficient for the time being.
As for the more precise technology, he would leave it to future generations to slowly research.
In the middle of summer, the airships were in full operation, which pushed the development of the western region to its climax. A large number of Irus took the airships to the Gris region to participate in the large-scale transformation project. When the airships returned, they would bring the Gris people back and arrange their living areas and jobs through various municipal departments. Tang En did not give them the chance to choose freely. The people who liked to group up and expand were very aggressive. If this trend was not controlled from the beginning, it would eventually become a huge disaster in the future.
Judging from Aurelia's feedback, the overall situation was still quite stable. These Grians seemed to know that they were no longer under Stanley's rule, so they had to tuck their tails between their legs and behave themselves.
With the addition of this labor force, the production capacity of the various regions of Ilrus had once again increased rapidly. The output capacity of the factories had further increased. Coupled with the increased transport efficiency of the airships, the value of many goods had decreased to a certain extent.
The income of the people had increased, the value of goods had decreased, and the overall economic vitality had greatly increased. Now, the overall economic level of Irus was on par with the Ronitant, and the total economic output was far greater than the Ronitant. The people's willingness to buy goods imported from the Ronitant had further decreased. They preferred the products produced by the Datang Chamber of Commerce. Although the products of the Datang Chamber of Commerce had not completely covered all aspects of life, if they could buy the products of the Datang Chamber of Commerce, the consumers generally would not choose a second option.
With the official operation of the airships, the tourism industry, which had never been born before, had quietly emerged. Many people who had some spare cash began to look forward to seeing the wider world.
Originally, even if they had money, it was inconvenient for them to travel. It would often take a few months to travel to a certain place, and it was accompanied by many risks. Therefore, most people in Prandal would almost never stray too far from the place they were born and grew up in. Many people would not even leave the village they lived in for the rest of their lives.
But now, it was different. With the airships, even an ordinary farmer could take his family to another city for sightseeing if he was a little ruthless. After all, the price of an ordinary airship ticket was not ridiculously high.
The birth of the tourism industry had brought a new industry to the world. At the same time, it was accompanied by a huge labor shortage. Many major tourism cities, such as the water city of Paganis, the hot spring city of Alcârdia, and so on, had begun to transform into purely tourism companies. These companies were now recruiting a large number of young and beautiful girls from the surrounding cities, as well as eloquent, eloquent swindlers, and so on.
In particular, the swindlers who had glorious achievements were the favored targets of these companies. Many of the swindlers had received recruitment notices from the companies before they were released from prison. These swindlers who were unaware of the vicissitudes of life in prison were all dumbfounded.
Since when were swindlers so popular?
Tang En was also aware of this matter, but he did not order any restrictions. Tang En was very clear that these companies wanted to recruit swindlers because of their eloquence. As long as they succeeded in recruiting them, they would be able to bring in a steady stream of customers in the future. This was all income. The approach of these companies could be regarded as giving these swindlers a chance to turn over a new leaf and create employment opportunities for these unconventional talents. This was a good thing with great merit.
The tourism industry was now in its embryonic stage, and it was estimated that the national market this year would only be about ten million gold at most. In addition, this industry had nothing to do with increasing strength, so Tang En did not let the Datang Chamber of Commerce get involved in it. This could be regarded as giving the small companies a way to survive.
The focus of the Tang Chamber of Commerce was still in the light industry, heavy industry, chemical industry, mining industry, alloy industry, and other industries that could significantly increase the national strength and military strength. Even the Internet that was currently being built could effectively promote the development of the country, greatly enhance the exchange of information, and improve the efficiency of the management system. That was why it was so important.
Therefore, Tang En only let Aurelia issue some new laws to restrict and guide the healthy development of this industry. After that, he no longer paid attention to it because he had more important things to pay attention to now …
"You mean, the demons have all disappeared?"
Tang En frowned slightly. "Are you sure?"
"Yes, I'm very sure."
Auberry nodded, grabbed the tea Tang En made, and gulped it down. Recently, he had been drinking this kind of World Tree tea often. He felt that his body had regained its youth and was becoming more and more energetic.
After drinking the tea, Auberry continued, "We ordered the aerial reconnaissance team to screen the camp from east to west and south to north. At the same time, we ordered the armored troops to directly flatten the camp below. Other than finding some traces, the demons that appeared in Prandal are all gone."
Fiona, who was next to him, immediately became nervous. "Could it be that they have escaped the blockade and gone to other places?"
"Probably not."
Auberry shook his head. "The scouts we arranged around the camp did not find any traces of the demons … It feels like they did not suddenly disappear but returned to the Purgatory Abyss."
Returned to the Purgatory Abyss?
Tang En frowned. Why would they return? For the chaotic and destructive demons, would they not be happier to completely destroy the beautiful surface world of Prandal? What was there in returning to the Purgatory Abyss? There was only an endless bloody battlefield, endless killing and fighting. Compared to there, the battle in the camp of the Great Rift Valley was as relaxing as a vacation, although there was also killing here …
"What did Salatimore say?"
If there was anyone who would know the secret, it would definitely be Salatimore. As a hellcat, even if it did not know the news, it could give everyone a guess from its past experience.
"It?"
Auberry frowned and said, "It did not say anything."
This guy must be slacking off again!
Tang En did not say anything. He directly found Salatimore and then brought it to the conference room.
"Is it not good that the demons have retreated?"
Salatimore blinked and looked at everyone innocently. "Don't tell me you still miss the destruction they caused? Tsk, tsk. It turns out that humans are such a wonderful species. "
Everyone in the conference room was speechless. They could not wait to go up and give it a kick. Tang En slapped it angrily. "Don't interrupt! Be serious! "
"Tsk!"
Salatimore curled its lips and said bitterly, "According to my experience, there are only a few possibilities for them to suddenly withdraw. One is that something more important has happened in their rear. For example, a new demon lord has been born and wants to determine its position and territory among the old demon lords, so it will affect the war strategy of the other demon lords."
"The other possibility … may be that they are going to launch a fierce attack on a certain place."
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