When in Doubt, Quantum Mechanics
The old woman found Yi Xuan's utterly dejected expression somewhat amusing, so she spoke up, "Young Yi, now you know how laughable your methods are in the eyes of Nascent Soul ancestor?"
Xiao Anhe nodded in agreement, saying, "The Old Madam and I are aware of what you did in the Artifact Ruins. Based on the descriptions from the disciples who returned, we admit we were no match for the move you used to defeat Qi Yun!"
"However!" Yi Xuan's master suddenly changed the subject, saying, "Qi Yun was originally just a minor cultivator at the Grain Avoidance Realm Perfection, but suddenly he gained the strength of the Nascent Soul Realm. How much of his potential do you think he can utilize? Besides, his state at the time was completely different from that of a cultivator; he was merely an Artifact Spirit!"
"If it were a real Nascent Soul Realm cultivator, they wouldn't just stand there and let you hit them. Besides, these things you've made are far too conspicuous in the eyes of Nascent Soul ancestor! Just like that thing in your hand, Nascent Soul Cultivator doesn't need to know where you are; they just need to figure out the connection between what you have and the other things, follow that thread, and they'll find you!"
Hearing his master's words, Yi Xuan felt a chill run down his spine. So, in the eyes of the Nascent Soul Ancestor, he, carrying a communication device, was like a shining beacon.
Moreover, this situation was not unique to the Azure Cloud Sect; it was also the case in the Xia Kingdom.
It's alright at the Azure Cloud Sect, after all, it's a well-known sect in the Southern Frontier, and ordinary cultivators don't dare to invade it casually.
But Xia Kingdom is a real mortal kingdom. If a Nascent Soul Cultivator with ill intentions were to cause trouble for Yi Xuan, it would be disastrous.
Although Yi Xuan has many weapons that can deal with Nascent Soul experts, the prerequisite for using them is that the opponent does not launch a sneak attack; otherwise, Yi Xuan may be knocked out before he even has a chance to react.
This also illustrates a weakness of technological civilization: the vulnerability of the individual. Once faced with an unparalleled powerhouse capable of launching a sneak attack, one is often at a loss, much like the proverbial scholar encountering a soldier – reason is useless.
Of course, the "reason" here doesn't refer to logic, but rather to the principle that everything within the cannon is truth!
Now that he knew the disadvantage of electromagnetic wave communication against Nascent Soul experts, Yi Xuan lost interest in continuing to drink tea with the others. He apologized to his master, the old lady, and his senior brother before leaving the square.
As for the busy drones above the square, Yi Xuan had already locked their commands when he left. After completing the construction of the old lady's palace, they would fly back to Yi Xuan's courtyard on their own.
The three people present saw that Yi Xuan was clearly preoccupied, so they did not keep him.
On the way down the mountain, Yi Xuan said to the bracelet as he walked, "No. 01, you heard our conversation just now, right?"
"Yes, boss!"
"I never imagined that the merits of this Immortal Script weren't limited to Puppet Technique. I never expected their ability to sense electromagnetic waves; it really caught me off guard!"
"Boss, the plan you set before, the deployment of communication base stations in the Xia Kingdom, should we stop now?"
"Hey, what can we do if we don't stop? Let's stop first! Otherwise, the more signal coverage there is, the less safe we will be!"
"OK!"
No. 01 could tell that Yi Xuan was in a bad mood, so she replied with an "okay" and then fell silent.
Upon entering No. 1 Base, Yi Xuan went straight to the base's main control room.
Sensing its master's arrival, the central holographic projection activated immediately. Yi Xuan stood in front of the holographic projection, dragging an icon on it with his finger and swinging it back and forth, clearly deep in thought.
"Long wave? Medium wave? Short wave? Ultra-short wave? Radio frequency signal?" Yi Xuan muttered to himself as he thought.
These different wavelengths of radio communication methods were used in a wide variety of scenarios in the past, helping people solve countless communication problems.
But now things are different. The Cultivation Realm has taught Yi Xuan a lesson. No matter what kind of wave you use, you can't use it. If you dare to use it, it's like turning on a searchlight, constantly reminding the enemy of your location.
"How about not using wireless communication?" Yi Xuan's eyes lit up suddenly, but then dimmed again.
This is not a good method, or rather, isn't this method too simplistic and crude? Wrapping the signal in a cable for transmission, aside from whether it can avoid the cultivators' detection, even Yi Xuan himself felt that he was regressing in technology.
However, it must be admitted that this retro approach does have its own unique advantages. Yi Xuan did not give up on this plan, but instead had No. 01 make a cable in preparation for subsequent experiments.
What if this wired signal transmission method could block cultivators? In that case, it wouldn't be a bad option until a better communication method is found!
What about satellite communications?
As soon as Yi Xuan finished speaking, No. 01 very humanely projected relevant satellite communication data and models onto the projector.
Looking at the satellite communication principle diagram on the projection, Yi Xuan knew that although satellite communication also uses electromagnetic waves, it is equivalent to using the satellite as a signal relay. After the signal is sent from the transmitting end, it is directly transmitted to the satellite, and then the satellite transmits it to the receiving end.
In this way, it wouldn't matter if Nascent Soul cultivator could sense electromagnetic waves. No matter how strong these cultivators are, they can't possibly go to outer space to sense electromagnetic waves, right?
This means that the communication method Yi Xuan originally used was from A to B, but now using satellite communication is from A to B and then to C. Furthermore, the signal becomes undetectable halfway through its journey from A to B because it enters space.
The same applies from B to C; an electromagnetic wave will inexplicably appear in the sky, and even cultivators cannot perceive its origin.
"No. 01, it seems satellite communication is the best option available. Generate a plan immediately!"
"Boss! I have a suggestion, but I don't know what you think?"
What suggestions?
"I just searched the database and found a sentence in the data you sent me a long time ago that might be helpful to you now!"
What did you say?
When in doubt, consult quantum mechanics!
Upon hearing this, it was as if a bolt of lightning had struck Yi Xuan's mind.
"That's right, isn't quantum communication more in line with my requirements? Now there aren't even electromagnetic waves left, let's see how you cultivators detect me!"
Yi Xuan thought to himself, and at the same time commanded No. 01, "Retrieve the relevant data on quantum communication!"
"I'm sorry, boss, there is no relevant information in my database!"
Yi Xuan then realized that he himself didn't know much about this (actually, the author doesn't know much either, so please forgive me if I'm wrong!), and the relevant knowledge he had seen before was all in the Book of Technology.
So Yi Xuan began communicating with the Book of Technology, extracting knowledge related to quantum communication into his mind. Then, through the Jade Slip, he put the data into the computer and commanded No. 01 to begin reading and storing it.