Sweet baby milk, bring the whole family rich

After hearing her uncle's question, Tiantian thought for a moment and began to answer seriously: "Saltpeter, it is usually colorless, white or gray, and the surface looks quite shiny! But it doesn't have any special smell, but if you taste it, it will feel a little bitter and a little salty. Uncle, if you can't find it anywhere else, why not go to the pharmacy. Maybe you can find it there!" As she spoke, Tiantian tried hard to recall the appearance of the saltpeter she had seen before, and described it to her uncle as detailed as possible.

"Okay, Tiantian, just have fun here. I'll go find saltpeter right away." Yun Tingshu touched Tiantian's little head, then turned around and left in a hurry.

Tiantian nodded obediently and replied, "Yeah." Then she started playing by herself.

Murong Yunche, who had been standing aside and listening quietly, couldn't help but feel puzzled at this moment.

Listening to Tiantian's description, he always felt that the saltpeter seemed very familiar, as if he must have seen it with his own eyes before.

But where had he seen it before? For a moment, he couldn't remember.

In this way, time passed quietly without us noticing, the sun gradually set in the west, and a gorgeous sunset glow appeared on the horizon.

At this moment, there was a rush of footsteps in the distance.

It turned out to be Yun Tingshu running back happily, holding a bag tightly in his hand. He shouted as he ran, "Tiantian, come here and take a look. Is this saltpeter?"

Tiantian happily took the bag handed to her by Yun Tingshu, gently untied the rope at the mouth of the bag, and looked inside curiously.

The bag was filled with various colorful stones. She carefully identified them and her eyes finally stopped on a few special stones. She couldn't help but feel surprised - these were actually saltpeter!

Tiantian's eyes were wide open, full of disbelief.

"Uncle, this is saltpeter! Where did you find it?" Tiantian excitedly picked up a piece of saltpeter, held it high, and asked Yun Tingshu impatiently. Her bright eyes sparkled with curiosity and anticipation.

Yun Tingshu smiled and replied, "I bought this saltpeter at the pharmacy in town. The guy there told me that this stone has some special uses, so I thought of bringing it back for you to see. Tiantian, how much of this saltpeter do you need?" As he spoke, he looked at Tiantian tenderly.

Tiantian thought seriously for a moment and said, "Uncle, actually, this one piece is enough, because saltpeter can be used repeatedly." After saying that, she blinked playfully.

At this moment, Murong Yunche, who had been standing silently nearby, couldn't help but speak up and reminded them, "Look at the time now. It's already so late. Why don't we go home first and study it slowly later?"

Yun Tingshu looked up at the sky and found that the sun was about to set, and a gorgeous sunset glow appeared on the horizon.

He also knew that if he didn't go home quickly, his family would definitely be worried.

So he turned to Tiantian and said, "Tiantian, let's go home first." After that, he carefully put the precious saltpeter back into his pocket, tied the pocket tightly, then held Tiantian tightly with his other hand and walked towards home.

The three of them slowly set out on their journey home, the setting sun lengthening their shadows.

Along the way, Tiantian was like a cheerful little bird, chirping non-stop, her excitement beyond words. She kept telling Yun Tingshu about the amazing uses of saltpeter.

Murong Yunche walked quietly beside them with a faint smile on his lips. His deep eyes occasionally looked at Tiantian and Yun Tingshu, as if he was also infected by the lively communication between the two, but most of the time he just listened silently.

Finally home! Before she could even catch her breath, Tiantian couldn't wait to pull out the saltpeter from her backpack and ran to the center of the yard, ready to start her long-awaited experiment.

Seeing this, Yun Tingshu quickly put down what he was holding and walked quickly to Tiantian, with a curious light in his eyes, as if he was about to witness a wonderful magic show.

"Uncle, please bring me two basins. One should be bigger and the other slightly smaller. Remember to fill both basins with water!" Tiantian said crisply while fiddling with the saltpeter in her hand.

Yun Tingshu responded, quickly turned around and walked into the kitchen, and came back a few moments later with two basins full of water.

Tiantian used all her strength to carefully place the small basin into the large basin. Then, she gently picked up the saltpeter and slowly poured it into the large basin.

In an instant, a white smoke rose up and filled the air, bringing a hint of coolness.

"Uncle, please remember, the ice in this small basin can be eaten directly, but the ice in the big basin cannot be eaten!" Tiantian raised her little face and reminded her uncle seriously.

Yun Tingshu smiled and nodded, indicating that he had kept it in mind.

At this moment, his eyes were fixed on the two basins, his heart full of curiosity, eager to know how the ice was magically made.

Before long, the water in the big basin began to roll violently, bubbling, as if countless small fish were playing and fighting underwater.

As the water temperature continued to rise, the saltpeter in the basin gradually melted, and the originally clear and transparent water became a little turbid.

At this moment, a cool breeze slowly rose from the water surface, like a wisp of smoke floating in the air.

"Tiantian, it's really getting cold!" Yun Tingshu widened his eyes, his face full of disbelief. He couldn't help but reach out his hand to touch the cool air and feel this wonderful change.

Tiantian, who was standing by, was also staring intently at the scene in front of her. Although she had heard that saltpeter could be used to make ice before, this was the first time she had made ice cubes by herself.

As time went by, the water in the basin cooled and gradually began to freeze. At first, only a thin layer of ice formed on the surface of the water, but as time went by, the ice layer became thicker and thicker, and eventually the entire basin was covered with solid ice.

At the same time, the small pots placed inside the large pots were also affected and slowly began to freeze.

Yun Tingshu opened his mouth wide and stared blankly at this incredible scene, his heart filled with shock and surprise.

Tiantian's face flushed with excitement. She clenched her fists and jumped up with joy, shouting, "Uncle, look! We did it!"

Seeing his niece so happy, Yun Tingshu couldn't help but hug Tiantian in his arms, gently scratched her pink cheek, and praised with a smile: "Tiantian is great!"

Hearing the praise from her uncle, Tiantian was even more proud. She raised her chin and responded with a smile: "My uncle is the awesome one." Just as the uncle and nephew were immersed in the joy of success, their cheerful laughter attracted the attention of other members of the Yun family.