Datang: Li Shimin eavesdropped on my heart

Chapter 73 How did the ancients enjoy the cool and escape the heat?

Datang has entered July for some time.

however.

On July [-]th, something happened on this day.

In the hot summer of Datang, many ordinary people died from the sun.

Especially some older people, even if they didn't go out.

Hide inside the house.

these old people.

They were all heated to death.

Morning of this day.

Discussing how to resolve it.

Because the weather is too hot, it is a problem for people to die from the heat.

An old veteran in the court fainted on the spot.

Fortunately, Li Shimin has the foresight.

In the mornings these days, the imperial doctors were called in.

In front of the courtiers.

The genius doctor Sun Simiao stepped forward and treated the aged minister.

Then he ordered two young apprentices to carry the elderly minister back to the imperial hospital.

……

Li Kuan didn't know what happened in the court today.

He never imagined that the summer in the Tang Dynasty could be so hot that people could die.

The afterlife under the scorching heat.

Humans eat popsicles while enjoying the cold wind.

While shouting: The people who invented these are gods!

Li Kuan at this time.

I really miss these summer artifacts from later generations!

"It's almost impossible to live in such hot weather."

Li Kuan's whole body.

Already drenched with sweat.

Just as he was thinking about how to cool himself down.

Xiao Feiliu dodges and points the one in the sky towards this side.

The white dove that flew over was caught in his hand.

Then another flash appeared in front of Li Kuan.

"Brother Kuan, you see it's a pigeon."

"Shall we have roast pigeon tonight?"

Li Kuan heard Xiao Feiliu's words.

He gently knocked on Xiao Fei Liu's head twice and said, "No!"

"This is a homing pigeon, I cannot let you eat it."

"Brother Kuan still needs it to get in touch with Jiangzuo Alliance's spy in Chang'an City."

"Oh!"

I heard Li Kuan say that pigeons cannot be eaten.

Xiao Feiliu suddenly became unhappy.

Fortunately.

At this time, Tiger Face Elvis suddenly ran past Xiao Feiliu's feet.

The running figure of the tiger-faced Elvis attracted Xiao Feiliu.

He seemed to have found some interesting toy.

Immediately burst out laughing.

Then he chased after Tiger Masked Elvis.

Li Kuan untied a note from under one of the carrier pigeon's feet.

There was only one line of words on the note.

"July was so hot that the earth and rocks were scorched, and gold flowed from the top of the mast. It was so hot that the earth and rocks were scorched, and many people died of the heat."

see this message.

Li Kuan was shocked.

Unexpectedly, someone in Datang died of heat!

He in future generations.

I remember when I was in middle school.

Middle school history is both.

said before.

1743, Qianlong period of the Qing Dynasty.

In late July, the average afternoon temperature in North China was above 7 degrees Celsius.

The highest peak reached 44.4 degrees Celsius.

"It seems that history has lied to me!"

"The Tang Dynasty should also be careful about being heated to death by the sun!"

Just as Li Kuan was talking to himself.

The system sound rang.

At the same time, a virtual information panel appeared in front of him.

[Lie Flat Mission - Hidden Mission Column]

[Ding hoo! 】

[Congratulations to the host!Congratulations to the host! 】

[You triggered the hidden task of the system]

[Task content: Please choose a person to solve the extreme heat and save the people of Datang from fire and water. 】

[Task time limit: 30 days]

[Quest Reward: Unknown]

[May I ask the host whether to accept this daily task. 】

【whether】

Got it!
He was just trying to figure out how to deal with the heat.

Unexpectedly, the system's hidden mission was triggered again.

three days ago.

He just ordered someone to send corn and sweet potatoes into the palace.

Take the corn and sweet potato yields.

and planting methods were written in a letter.

Passed it to Li Shimin.

The hidden task of promoting corn and sweet potatoes has not been completed yet.

Unexpectedly, this second hidden mission was triggered by myself.

Even without this system task.

Li Kuan will also think of a way, how to deal with the extreme heat.

He didn't want to be burned to death.

He is the prince of Tang Dynasty.

I don't want the people to die from the heat.

Facing this scorching summer.

How can we cool off the heat?
Saying.

Li Kuan knows that eating ice to cool off is not exclusive to the modern people of later generations.

at first.

Cooling down the heat on the tip of the tongue is exclusive to the imperial officials.

In the early days, people did not know how to make ice in summer, so they needed to have an underground ice cellar at home.

Put the ice cubes into reserve in the middle of winter and use them in mid-summer next year.

It was not until the end of the Tang Dynasty that people invented the idea of ​​adding saltpeter into water to absorb heat and make ice.

This discovery makes out-of-season icemaking a reality.

Smoothies began to enter the streets and lanes, and entered the homes of ordinary people.

Now is the period when Li Shimin is in power, and it is still early from the end of the Tang Dynasty.

Although saltpeter absorbed heat into water and made ice, it did not appear until the end of the Tang Dynasty.

But now that I have traveled to the Tang Dynasty.

Then.

I just let the method of adding saltpeter into water to absorb heat to make ice appear in advance.

thought of here.

Li Kuan did not act immediately, and ordered someone to find saltpeter.

But still thinking.

in ancient times.

Is there any way to cool off the heat.

He remembered.

During the Song Dynasty.

The smoothies hawked by small vendors have already added fruit and jam.

The advent of milk ice cream is in the Yuan Dynasty.

Discovered by Kublai Khan, the founder of the Yuan Dynasty.

Add ice cubes to the milk.

The ice will congeal like sand and melt in your mouth.

The taste is very good, which became the earliest ice cream prototype.

And the refrigerators used by modern people to store ice cream in later generations,

In fact, the ancients also used it long ago.

Don't look at the fact that there was no electricity in ancient times, but the ancients did have "refrigerators".

This cultural relic, which looks very old, is called Bingjian.

The function is the ancient small refrigerator.

Li Kuan is not a historian.

The reason why he knew that there were ice mirrors in ancient times.

That's because he once watched a TV show about archaeological treasure hunting.

In the show.

The archaeological team discovered the ice mirror, which was identified by experts.

It is definitely a product of the Warring States period.

Bingjian cooling uses the internal double-layer design.

There is a pot inside it, and ice cubes are put between the mirror and the pot in summer.

Then pour liquid into the container, the temperature can be transferred through the external ice cubes, and the temperature can be lowered.

Bingjian is a high-end household appliance used by princes and nobles.

But by the end of the Qing Dynasty, ordinary citizens had ice buckets that functioned like modern refrigerators in their homes.

Lead and tin with weak thermal conductivity are used in the ice bucket to prolong the use time of ice cubes.

In addition to eating to cool down, ancient people also pursued physical cooling in the environment.

There is also an emperor to be mentioned here-Yongzheng.

It is precisely because of his pickiness that there were early human-mechanical fans.

According to the records of "Miscellaneous Works" in the archives of the Construction Office of the Household Affairs Office of the Qing Palace.

In the second year of Yongzheng, on May 25, Emperor Yongzheng ordered a fan to be made.

The reason for this proposal.

It is because Yongzheng thinks that the servant who fanned the fan smells badly of sweat.

In order to keep the sweaty servant away from him, he proposed to add a drawstring to the handle of the fan.

Then make a hole in the north wall of the house, and let the stay rope go out of the house along the hole.

In this way, the court ladies and eunuchs can fan the wind outside by pulling the rope.

The principle is similar to that of an old movie projector.

Except the fan.

The ancients also made unique "air-conditioned rooms" for themselves.

They use cold water to circulate and waterwheels to supply air.

This kind of cooling hall cooled by water is another way to spend summer in the palace.

According to the records in "Tang Yulin", Emperor Xuanzong of Tang Dynasty had a cool hall specially set up for summer vacation.There is a waterwheel behind Xuanzong's seat.

The water wheel rotates to send cool water to the eaves.

The water flows down, forming an artificial water curtain.

People use water vapor to bring coolness and drive away the stuffy heat.

It is not realistic for ordinary people to enjoy Liangdian.

So, the common people invented the pergola.

The principle of the pergola is to avoid direct sunlight.

People use mats as roofs to cover bamboo poles.

Build a tall sunshade over the eaves or in the yard.

Cover the roof and yard to keep the midsummer sun from hitting the walls.

In this way, the outer wall is not easy to be exposed to the sun, and the ground in the yard will not heat up quickly.

The roof of the pergola is removable.

At night, the canopy can be opened by pulling the cord.

Achieve light and ventilation.

Of course, in addition to the above-mentioned ways of enjoying the coolness of the ancients that Li Kuan thought of.

You can also be like Li Kuan.

Calm and cool naturally.

but.

Li Kuan's whole body is now drenched with sweat.

It can be seen that this method of "calm and cool naturally" doesn't work!
The weather is so hot.

How did Li Kuan calm down?

Li Kuan all of a sudden.

I thought of many ways to enjoy the coolness.

These methods were all possessed by the dynasties after the Tang Dynasty.

Even if it is far from now, the nearest way to enjoy the cool air.

It also appeared during the period of the demise of the Tang Dynasty.

Although Li Kuan wanted these methods of enjoying the cool air to appear in Datang ahead of time.

But when Li Kuan thought about it, he had always been a salted fish before.

I can't tell the emperor of Tang Dynasty about these methods in person!

In this case, wouldn't the image of a salted fish that I had maintained before be ruined?
I don't want to be an emperor, so why do I behave so well?
The prince of Datang is a high-risk occupation.

It is not easy to be the emperor of the Tang Dynasty.

"What a headache!"

Li Kuan knocked his head twice.

There are many ways to enjoy the cool air, but I can't say it.

So what do you need to do so that I can’t tell you.

Royal father also knows these methods of enjoying the cool air that I want?
Just when Li Kuan was having a headache over this matter.

The figure of a little milk dog appeared.

"Isn't this a tongue-tied dog?"

When Li Kuan saw the little milk dog in front of him, he exclaimed.

"I'll go to your uncle."

"Is this tongue-in-cheek a rabbit?"

"He even ran to the old city and found me, this little milk dog must be a genius!"

"Oh! No, this little milk dog has long since turned from ashes to a spirit."

"Otherwise, it would be impossible for the little puppy to learn human language."

Just when Li Kuan was shocked.

The tongue-tied dog began to imitate Li Chengqian's tone of voice.

"I don't know what mistake Li Zhi'er made."

"It was ordered by the emperor to confine the Yinzu Temple."

"My ban is lifted."

"I originally thought that I, Li Chengqian, would be able to re-enter the East Palace and regain the crown prince."

"But this father doesn't know what kind of idea it is. He actually asked me, a dignified prince of the Tang Dynasty, to go to Lantian County to be a small official with sesame seeds and mung beans."

When Li Kuan heard the tongue-twisting dog, he kept imitating Li Chengqian's words.

He was happy.

Li Kuan was thinking about how to let the Emperor of the Tang Dynasty know the method of adding saltpeter into water to absorb heat to make ice, how to make ice cream, and other methods of keeping cool.

The appearance of the tongue-twisting dog solved Li Kuan's big problem.

I can't show up myself.

He always thought that Li Chengqian, who was restored to the position of prince, was the best candidate.

I have to find a way by myself, through some accidental coincidences.

Let my elder brother know the method of soaking saltpeter in water to absorb heat to make ice and other ways to enjoy the cool.

Then he went to the palace and told Li Shimin all these ways to enjoy the cool air.

Thus.

You can unknowingly do it while maintaining your salty fish image.

This hidden task of the system has been completed.

why not?

thought here.

Li Kuan felt much cooler all over his body.

One word.

"Cool!"

(End of this chapter)