But this belongs to the category of 'internal', not something all doctors can accurately diagnose.

Otherwise, there wouldn't be such a word as "quack".

But if it's relying solely on touch without using pulse diagnosis, then it becomes even more challenging.

Especially in terms of precision:

For instance, differentiating between 36.7 and 37.2 degrees—it's truly challenging for a doctor to sense this by touch alone.

Because a doctor can't guarantee their own body temperature is normal, making misdiagnosis quite likely.

In medical terms, 37.2 degrees can already be considered a sign of an elevated temperature.

It may seem fine at first glance, but the illness might erupt after nightfall.

Therefore, the 'thermometer' Xu Yun created, from a medical perspective, is as significant as chalk!

Of course.

Considering the toxicity of mercury, the widespread use of thermometers must be more tightly controlled than that of chalk.

"Wind Spirit Moon Shadow Sect..."

Old Su couldn't help but murmur, "What sort of sect is this..."

In the past few days, he hadn't failed to research this topic.

However, among all the books he could find, none recorded information about this sect.

But on the other hand.

This sect most likely exists:

Because there's no other explanation, apart from a hidden sect, to explain Xu Yun's abilities rationally.

Of course.

From a metaphysical perspective, the reincarnation of an 'all-knowing being' could also explain Xu Yun's condition.

Yet, from a rational standpoint, the identity of a descendant from a hidden sect is undoubtedly more plausible than the tale of immortal gods.

After all, over the course of thousands of years, countless things have indeed been lost.

For example, the wooden kite crafted by Gongshu Zi.

Rumor has it that this thing could fly in the air for three days and nights without any external force.

But now, centuries later, the skills of Gongshu Ban have long been lost, leaving later generations to only imagine the appearance of such wonders.

In fact, don't speak of Gongshu Ban, just take Old Su himself:

Who can be certain that the things he created, such as siphoning devices, will be fully known to future generations?

Time can erode everything.

Thus, the existence of such a hidden, now perished ancient sect in history is not untenable.

Only the scion of this sect lived rather miserably, becoming the plaything in others' hands, only to escape not long ago...

Old Su then took a deep breath and looked at Xu Yun:

"Xiaowang, the various materials you mentioned earlier are almost ready, including the volcanic glass stone you spoke of.

Barring any unforeseen circumstances, all the resources should be ready within two to three days."

Xu Yun nodded in understanding.

Shortly after Xiaozhao left the mansion, Emperor Huizong of Song agreed to Xiaozhao's request, approving a large batch of materials and funds.

Combined with the manpower and resources Old Su possessed, it means that within a couple of weeks, all the materials Xu Yun needed were fully prepared.

Given the efficiency of this era, this time frame can indeed be described as "miraculous".

Meanwhile, as Old Su and Xu Yun were conversing.

Outside Bianjing City.

Da da da—

At this moment.

A large official road, running from east to west, connecting Daming Prefecture and Bianjing City.

A carriage was moving swiftly and steadily.

Not only was this era in Huaxia the most economically prosperous, but it was also one of the most advanced in transportation.

For instance, with the Capital City Bianliang as the center, the Northern Song Court constructed official roads connecting various routes, prefectures, and counties to Bianjing, expanding outward.

Land routes connecting Xijing, Yingtian Prefecture, and Daming Prefecture formed a network-like extension.

Creating an extensive, interconnected transportation network.

Travelers merely needed to set off along the official road to reach any destination, making travel very convenient.

However, even the smoothest official roads ultimately couldn't compare to the highways of later eras; especially on lengthy routes, the road surface would always have some stones or protrusions remaining.

After the carriage had traveled some distance, its wheels suddenly rolled over a fist-sized stone.

Due to this foreign object, the carriage rocked slightly for a moment.

Though this degree of jostling didn't cause much damage to the carriage's physical structure.

Yet an elderly man, who had been dozing inside, was startled awake and slowly opened his eyes.

Seeing the old man rubbing his eyes and exhaling, he spoke to the outside:

"Zhongping, where have we arrived?"

A moment later.

Whoosh—

The curtain of the carriage was drawn back from outside, and an old servant sitting beside the coachman leaned in and said:

"Master, we are over thirty li away from the Chenqiao Posthouse ahead."

"Chenqiao Posthouse?"

The old man repeated the name and nodded slightly:

"I understand. You may withdraw."

Chenqiao Posthouse, originally known as Chenqiao Village, was renamed when a post station was established in the Later Zhou era.

However, this small post station with only six rooms left its mark in history:

In the year 960, Later Zhou General Zhao Kuangyin staged a mutiny at Chenqiao, donned the yellow robe, and founded the Song Dynasty.

Known in history as Northern Song, with its capital in Kaifeng.

Thus, Chenqiao was included at the beginning of the Song History, forever inscribed in the annals of history.

In this era.

Chenqiao Posthouse is entrusted with the Northern Song Court's significant responsibilities of transmitting orders, military intelligence, and managing the reception and lodging of visiting officials.

As the number of visitors increased, commercial trade in the town developed, and the market trade flourished.

In a certain sense, it's somewhat similar to Songjiang's role in Shanghai.

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