The season of autumn harvest brings with it dry and refreshing weather.

All around the Hundred Lands Mountain Range, the mountain people are busy with the autumn harvest, creating a scene filled with activity and excitement.

Gigantic bronze beasts can be seen galloping between the fields.

Their built-in scythes and chainsaws operate at high speed, harvesting at a pace more than ten times faster than by human hands.

Since the successful modification of the Bronze Horse Carriage, the mountain people have progressively continued to transform other styles of bronze beasts.

No longer constrained to mimicking the shapes of wild animals, they have fully utilized the attribute of bronze beasts as "tools".

Take, for example, these "Harvest Beasts" improved from Bronze-Tusked Porpoises right before us.

Simply by adding devices such as cutters, crop strippers, grain separators, and grain spiral conveyors, the Bronze-Tusked Porpoises can rapidly harvest farmland.

For more convenient harvesting, some villages have even modeled after the structure of the Bronze Horse Carriage and transformed the limbs of the Bronze-Tusked Porpoises into track structures.

From the initial version of biologically-shaped farming tools, to bronze beasts operated and controlled by mountain people, and now to large-scale farming machines that completely deviate from beast forms...

Through several versions of iteration, the wisdom and potential of the mountain people have been successfully unearthed.

From now on, even if Li Boyang were to cease creating new things.

The intelligence exchange and inspiration collisions among the mountain people will continuously change this world.

"You call this thing a ’Thousand-Mile Sound Transmission Talisman’?"

Standing at the field ridge of Li Family Village, Li Boyang toyed with a deliberately folded and solidified piece of talisman paper in his hand and inquired.

"To be precise, it’s a ’Sound Transmission Talisman’..."

"’Thousand-Mile’ is just a descriptive way of speaking."

Standing confidently behind Li Boyang, Li Jingshu flipped through the Bronze Treasure Book in her hand while unabashedly seeking credit from him.

"However, I am confident of further improvements that will make this ’Thousand-Mile Sound Transmission Talisman’ live up to its name."

Scrutinizing the [Sound Transmission Talisman] seriously, Li Boyang quickly discerned its underlying secret.

Essentially, this [Sound Transmission Talisman] is a variant of a [Thunder Talisman].

It converts sound waves into low-frequency electrical signals.

Then modulates them into a high-frequency carrier wave, eventually transmitting as a fixed electromagnetic wave.

The principle is simple, akin to a makeshift radio station that amateur enthusiasts could rig up on Earth in Li Boyang’s previous life.

Its difficulty is only slightly higher than the simplest electronic devices—a loudspeaker.

Yet, in this era not yet industrialized.

Its complex internal structure simply cannot be achieved with a straightforward piece of talisman paper.

Therefore, the [Sound Transmission Talisman] in Li Boyang’s hand is, at best, merely an electromagnetic wave receiver—and an incomplete one at that.

However, this does not prevent Li Boyang from listening carefully to the voice emanating from the [Sound Transmission Talisman].

A faint, intermittent voice continuously recounts various details of the autumn harvest and reports the weather forecast for the coming days.

"Is this voice... Qing He’s voice?"

Recognizing the voice’s identity quickly, Li Boyang turned and asked in surprise.

Qing He is the priest of Cyan Bird, who chose to settle in Li Family Village after the South Sea catastrophe.

Although Li Boyang is often away from Li Family Village during the day, occasional nagging from his mother keeps him aware of the ambiguous yet restrained relationship between Qing He and Qiwa.

"Yes, Qing He is originally a priest and has also studied the ’Nine Chapters of Divination’."

"Divination is her strength and it perfectly aids the mountain people in predicting the weather for the coming days."

After a brief pause, Li Boyang asked again.

"What is the current effective reception range of this ’Sound Transmission Talisman’ signal?"

"And how is the energy consumption of this ’Sound Transmission Talisman’? How long can one ’Sound Transmission Talisman’ be received at most?"

"Where have you set up this broadcast station? Is it downstream of the Mountain God Reservoir?"

"Is there a one-to-one reception between the broadcast station and this ’Sound Transmission Talisman’? Or a one-to-many reception?"

Hearing Li Boyang’s barrage of questions, it was Li Jingshu’s turn to be surprised, her mouth agape.

She initially intended to give Li Boyang a surprise.

Unexpectedly, only after briefly holding the [Sound Transmission Talisman], the other party completely understood its operational principles.

Indeed, this so-called [Sound Transmission Talisman] is more akin to a radio rather than the wireless station in Li Boyang’s memory.

The only difference between the two might be the materials used.

Once Li Jingshu succeeds in making matching speakers and inserts the [Sound Transmission Talisman] into them, it will indeed resemble a radio.

With these thoughts, Li Boyang inexplicably felt a sense of anticipation.

I wonder when a simple mobile phone, with a more extended communication range capable of point-to-point encrypted communication, will be made?

"The current ’Sound Transmission Talisman’ can only receive a complete signal from nearby the broadcast station, within a range of tens of kilometers."

Perhaps influenced by Li Boyang.

Li Jingshu’s receptivity to various modern terminologies far exceeds that of her contemporaries among the mountain people.

After only a bit of thought, she fully grasped the meaning of the terms from Li Boyang.

"When I made this ’Sound Transmission Talisman’, I specifically used the talisman paper most adaptable to thunder and lightning, allowing continuous listening throughout the day without an issue."

"As for the matter of reception quantity?"

"I considered this from the start—as long as it’s within the range of receiving broadcast station signals, the ’Sound Transmission Talisman’ can be used without limits."

Nodding knowingly, Li Boyang smiled and replied.

"A ’Sound Transmission Talisman’ this exquisite only lasting one day is somewhat of a pity."

"Moreover, I looked at the talisman inscriptions on it, and although it’s just a variant of a basic Thunder Talisman inscription, it’s still a bit too complex for today’s mountain people."

"Didn’t I cultivate a type of Sleep Bug that can ’store electricity’ years ago?"

"Try to find a way for those Sleep Bugs to charge this ’Sound Transmission Talisman’, and the endurance problem can be solved."

Understanding his intentions immediately, Li Jingshu realized Li Boyang’s plan. 𝚏𝗿𝗲𝐞𝚠𝕖𝐛𝗻𝗼𝐯𝕖𝚕.𝚌𝗼𝗺

"Little brother, are you planning to promote this ’Sound Transmission Talisman’?"

Initially, Li Jingshu created this [Sound Transmission Talisman] merely to showcase her skills to Li Boyang.

At most, she intended for it to provide entertainment for the villagers within the Li Family Village.

But with Li Boyang’s words, it was apparent he intended for the [Sound Transmission Talisman] to become as widely used as bronze beasts across the entire Hundred Lands Mountain Range.

"Why not?"

"This is a revolutionary invention, an innovation even greater than bronze beasts."

Smiling at Li Jingshu, Li Boyang nodded affirmatively.

"Think about it, if one day everyone in the entire Hundred Lands Mountain Range could hear your voice."

"At that time, you can provide timely weather updates, telling them when to sow and when to harvest."

"And whenever there’s something in the Hundred Lands Mountain Range, you can be the first to inform them."

"For example, how much a pound of grain is worth in bronze coins this year, or which village has the latest breeding technology."

"Which village needs help, which villagers excel in certain tasks..."

"If you ever find yourself bored, telling stories to everyone is also a good option."

"Even if I want to preach someday, I need your ’Sound Transmission Talisman’ to make it happen!"

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