Chapter 234: Selling Frequency Bands
"Radio communication?"
Everyone in the room repeated this sentence without knowing why.
When they arrived, they just learned that electricity was a way to keep warm without using coal.
And wireless means no wires?
"Without wires, how is the electricity transmitted?"
Some people were so curious that they couldn't help but ask the princess questions.
"Radio does not refer to electricity in a wireless state, but a special kind of electromagnetic wave."
Su Shengsheng put down what he was holding and took out a sphere. "Radio communication is a band where sound is carried by radio waves and can be transmitted across space without the need for a medium."
She placed two figures on a homemade globe. "If two people are in the same space and close to each other, they can hear each other's voices because of the effect of sound waves."
"That is, the vocal cords drive the air, which is then transmitted through the vibrations of the air and received through the vibrations of the eardrum."
She then placed two other characters in two different counties. "But if they are far apart, they won't be able to hear each other. This is because sound continues to diffuse as it propagates, and its energy gradually decays. It's like a torch: the farther away, the weaker the light and heat you feel. For people in Lin County, the sound waves will decay so much after traveling a long distance that they can no longer be heard."
Some of the merchants understood it, but some didn't.
"Then why can this sound be transmitted so far using these radio waves?"
Su Shengsheng thought about it and gave the simplest, most straightforward and easy-to-understand example.
"Radio waves are like an empty truck. Through modulation, cargo is loaded onto the truck. Through demodulation, sound is unloaded from the truck."
Such a simple and crude example made everyone drop their eyebrows.
Does this radio wave really listen to her and load the truck when she says to, and unload the goods when she says to?
"So this radio wave can be used without electricity?"
Su Shengsheng chuckled, "This car didn't appear out of thin air. Everything in the world, even stones, has energy."
"Radio waves themselves are not electricity, but they require electricity to generate, just like flint, which requires friction to produce fire."
Some merchants understood, but they had more questions, "Then how can these radio waves travel so far?"
"Just like horses need fodder, birds need to be fed, and people need to eat, radio waves also need electricity."
I need electricity!
Some merchants who originally understood the situation became confused again.
"But the princess's electric wires haven't been laid that far, have they?"
Su Shengsheng took out the map that had been prepared long ago, picked up the ruler, and circled it.
"I have already established relay stations in the Thirteen Prefectures of Nanling. They are like the horses at the post station. The letters don't change, but the horses can. That means the power supply will change, but the radio waves won't."
Thirteen states! !
Nanling used to have thirty states, but sixteen of them were occupied by the Northern Rong, and now only fourteen remain.
But these fourteen states, from the northern border to the southern border, are six thousand miles apart.
The merchants who were only questioning at first could no longer sit still after hearing this.
"How could this thing be able to spread so far?"
It's nonsense to say what he said, but everyone wants to ask the same question.
Although just now, the princess had fully proved to them that the long-distance call they received was from their family.
However, it is still difficult to conceal the storm this thing caused them.
This is more than just a matter of hearing the wind.
It's like hearing from the ears!
Doesn’t this mean that you can know what is happening in the world without leaving your home?
Some people, knowing that business opportunities are fleeting, were already jealous. If they could get this...
There are so many people in Nanling...how much money can be earned?
Everyone was puzzled at the same time. Why did the princess leave the money she had earned and sell it to them?
The man originally just exclaimed in surprise, but Su Shengsheng had already given a detailed explanation for the subsequent sales.
“Of course, it can’t spread all over Nanling at once. This relay station is like a post station, but there are good and bad post stations.
If the relay station is good, we can capture everything, not to mention a mere 3,000 miles away, even if it’s far out at sea.”
What? !
Those who were originally still wondering whether the princess wanted to lay electric wires and was recruiting people.
But after hearing this, I completely gave up the idea.
At sea, nothing can be built.
However, the princess is a bit too arrogant when she says it's only three thousand miles away...
Nanling is only two thousand three thousand miles away...
Just...what arrogant words!
Although Nanling no longer has the glory it once had, it is still one of the best cities in the world.
But in the eyes of the princess, it was just a trivial matter!
They just feel that they have countless questions now, but they don’t know where to start.
But Bai Shuo, who was standing by, already understood why Su Shengsheng asked his sister to inform him in advance that he was coming.
Now the two have different identities. He follows his father's wishes and wants to develop maritime trade.
However, the sea routes are complicated and the round trip is time-consuming.
In a year, we spend at least ten months at sea.
But after this trip, there was no news from home.
If he hadn't built the boat according to the drawings she gave him, he would have missed the auction.
Merchants originally make profits by buying low and selling high and taking advantage of time zone differences.
On a long journey, often times, more is consumed than sold.
Every time, it is only after suffering countless losses that we can understand the preferences of each small country.
Even if they returned with a full load, they still had to get rid of the pirates.
If we have this thing, merchant ships traveling in groups at sea can be taken care of.
You can also know at any time the various needs of small countries along the way.
Some merchants quickly found their position.
"Excuse me, Princess, if we want to buy the radio waves, how much silver do we need?"
The relay station was already laid out by the princess.
Those officials who are just sitting there doing nothing and wanting bribes, have made a mistake this time, right?
But since the princess invited them here, she must be selling something.
"Everyone, please forgive me for misunderstanding. I'm not planning to sell these radio waves." Su Shengsheng looked at the crowd and said without waiting for them to ask, "What I want to buy is the empty space on this truck."
That’s right, there is such a business, and others have already laid the groundwork. How can we possibly share a piece of the pie with them?
But everyone quickly perked up and asked what was going on.
Su Shengsheng explained in detail what broadcasting is.
That is, people in Nanling can hear the sound of the broadcast at the same time, but the broadcast cannot receive the echo of everyone at the same time.
"This radio wave can carry broadcasts from different frequency bands. There are approximately thirty vacancies, and each seat costs 10,000 taels per month."
Although it was only ten thousand taels of silver per month, receiving messages via wireless phone required additional fees...
This made some merchants hesitate.
It’s true, they can’t make their business that big!
Where is the need, nationwide broadcasting?
Su Shengsheng knew exactly what they were thinking. "You can also break down the broadcast content and package it to sell to different merchants."
But she didn't have the energy to develop the radio station.
But there were also some who were not fooled by Su Shengsheng, "Princess, are there really thirty vacancies?"
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