The waves on the Xiangjiang River are rolling.

A white sailing ship flew like an arrow in the direction of Yuelu Mountain.

"Along the way, Lingnan is not as desolate as the legend says, but quite prosperous. Cheng Yi nodded slightly, not half an hour after reading Azhu's interview with Qin Xianao in the newspaper that day, a letter, sent from the "New Youth" newspaper, fell into the hands of Cheng Yi, the letter was written by Qin Xianao, inviting Cheng Yi to come to Lingnan.

Qin Xianao invited the old man to discuss the decision on the standard for measuring atmospheric pressure, and he didn't know what his idea was. Cheng Ming, the old servant next to him, squinted his eyes and said. Cheng Yi smiled slightly: "Don't worry, there can be no danger in my business, Qin Xianao is just showing goodwill, he is such a talent, I want to rebel against him and get him into my Luoxue sect, why doesn't he want to get me Cheng Yi into his Taiji Society?"

"He is a toad eating swan meat, and he doesn't weigh himself a few pounds and a few taels. Cheng Ming snorted.

"Qin Xianao's ability is not below the old man. Cheng Yi sighed slightly, "If he hadn't gone the wrong way and his mind was not right, the old man would have been really optimistic about him, huh?" Cheng Yi's ears moved.

"The river flows eastward, and the stars in the sky are in the Beidou!" the song floated over the river.

"Good song!"

Cheng Yi's eyes lit up with excitement.

This song is really good. Cheng Ming's eyes were also shining, and he listened sideways, even the boatman on the side had a smile on his face at this time.

"It's good, it's just that we've never heard this song before. Cheng Ming said.

Cheng Yi suddenly smiled.

"You haven't heard of normal. Cheng Yi smiled slightly, "If I guess correctly, this song must be from Qin Xianao's hand." ”

"Oh?" Cheng Ming raised his eyebrows, "Why did the master say that?" Cheng Ming had been following Cheng Yi all the time, and naturally knew that Cheng Yi was also listening to this song for the first time.

"Hold an iron plate and drink spirits. The bow of the boat sang the big river to the east, this song seems to be rough, but with a great pride, it can't be written without a big mind. Cheng Yi said loudly, "You say such a song, except for Qin Xianao." Who else can write it?"

"The old gentleman is so knowledgeable!" the boatman admired, "This song is called "Song of a Good Man", it is indeed from the hand of Qin Gongzi, first Qin Gongzi sang and played by himself, and then everyone in this area learned it, yo, two old gentlemen, in front of Yuelu Academy. ”

"Oh?"

Cheng Yi looked into the distance, and there seemed to be a lot of people on the riverside at this time. These people—

"It's a congenital master!" Cheng Ming's brows furrowed.

"Don't be nervous, it doesn't have to be a killer. Cheng Yi smiled, and soon the boat stopped at the pier, and Cheng Yi and Cheng Ming stepped on the board connecting the ship to the land.

"But Mr. Ikawa?"

"This must be Mr. Ikawa!"

More than a dozen innate masters came around, and one of the beautiful women walked up to Cheng Yi with a smile and said, "Mr. Yichuan, the little girl is polite!"

"Hello Mrs. Guo, these ......"

"Mr. Ikawa is famous. This time we went south to Lingnan, even if we didn't publicize it. But after all, it was discovered by someone with a heart, so you want to come here, there are many people in the martial arts world who know about it, no, they all heard about Mr. Daming, and came to meet. Guo Yuanyuan said. "Come with me, sir. ”

Cheng Ming's face sank.

"Guo Niangzi, since Qin Xianao invited my master here, why don't you see others?"

"I'm really sorry, because there was something wrong with the development of glass. My husband rushed there overnight yesterday, so ......"

"Glass?"

Cheng Yi raised his eyebrows: "Guo Niangzi, what is this glass?"

"Mr. Ikawa, this time my husband said that the tool for measuring atmospheric pressure is to use glass, and in the future, many measuring tools, and even various experimental tools, will also have to be made of glass. ”

"A large number of tools, especially experimental tools?" Cheng Yi raised his eyebrows, "In this case, why don't you take me directly to the location of Qin Gongzi, the old man also wants to see this glass ......"

Guo Yuanyuan frowned slightly.

"What, you want to keep it secret?" Cheng Ming said in a deep voice.

"Naturally, it is necessary to keep it a secret from others, but Mr. Ikawa is different, but Mr. Yi has just arrived, and he has not yet picked up the wind and dust......"

"It's okay, the old man is not so precious, and besides, this is what the old man asked. Cheng Yilang laughed, "Qin Gongzi's fresh gadgets will definitely not disappoint, this is better than any wind and dust." ”

"This ...... That's fine. ”

......

In the afternoon in the middle of a large mountain.

"Canopy!"

The sound of Ding Ding bell sounded, and on the mountain road, Cheng Yi looked at Guo Yuanyuan suspiciously.

"Stone is used to make glass. Guo Yuanyuan explained, "In addition to stones, there is also alkali and lime, and this sound is the stone ore dug by hand, and mining, look at the ......" Guo Yuanyuan pointed in one direction.

Cheng Yilian looked over and saw more than a dozen young men, shirtless digging some white stones.

"That looks like granite, right?"

"It can be called granite, but it is mainly quartz, but quartz stone contains mica, feldspar, etc. Guo Yuanyuan even recounted the knowledge obtained from the Qin Dynasty, "To make glass, quartz stone, lime, and alkali must be used, and other stones can't ......" As he spoke, the group gradually entered a large manor.

"Sister-in-law is here!"

"Sister-in-law, this is ......" There were people greeting from time to time along the way, and these were naturally the hair of the Qin Dynasty in Qinjiazhai.

Soon—

"Mr. Yichuan!" Qin Chao stepped forward, and the two sides finished saluting. "Qin Gongzi, I wonder if that glass can be?"

"Sir come with me!" Qin Chao laughed and led the way, and soon Qin Chao pushed open a door, and everyone's eyes lit up.

"This is ......" Cheng Yi's eyes widened.

On the tables and shelves in the house, there are crystal clear utensils, including cups, teapot-like utensils, bead-like utensils, and square utensils......

"Is this a crystal?" The old servant's heart also jumped, people like them, crystals have still been seen, and there are still a lot of crystals in Luo Xue's assets, but even if they have a lot of crystals, they don't dare to use them like the Qin Dynasty.

"This crystal cup, there are fifty or sixty teacups alone, suspiciously, it seems to be flat. Oh my God, this Qin Xian is crazy, that is a washbasin, using crystals as a washbasin, no, that is a bucket. Hey, this bucket seems to be a popular foot soaking bucket...... "The old servant stared at the 'crystal' full of the room, and then glared at the Qin Dynasty with red eyes, the crystal is used to make handicrafts, and it is very expensive to make basins and buckets, which is so rich!

"It's a waste, it's a waste!" Cheng Yi shook his head with a wry smile after being stunned for a moment. Looking at the Qin Dynasty, "Gongzi Qin, I have always known that you are rich, but you can't be rich if you are rich...... By the way, aren't you showing me the glass?"

"Mr. Ikawa, take a closer look at these crystals, they are the same as the crystals you have seen before?"

"Oh?"

Cheng Yilian walked to a glass ball and looked at it carefully. Then his eyebrows furrowed slightly: "It's different, there are subtle differences." ”

"It's not crystal. Qin Chao said in a deep voice.

"Not crystals?"

Cheng Yi looked at the Qin Dynasty in a daze. The old servant looked carefully at the room full of 'glass' products, and then looked at the Qin Dynasty: "What is it if it's not crystal......?

"That's what I mean by glass. Qin Chao picked up a crystal clear glass teacup and said with a smile, "Mr. Yichuan, you said that if this thing is sold outside......

"The less, the more expensive, it's worth a thousand gold!" Cheng Yi said in a deep voice. Immediately, his eyes flashed with a bright light, "Qin Gongzi, I remember that the glass was recorded in the "Journey to the Immortal Country" you wrote, and I have always been ...... I didn't expect Gongzi Qin to ...... By the way, how did Qin Gongzi come up with the idea of making this kind of glass?"

"I've been in the porcelain workshop. Qin Chao casually rammed. "I saw that there was occasionally some glass in the pottery they burned. ”

"Glass?"

Cheng Yi's face was complicated, he was familiar with the classics, and naturally knew that Confucius could burn the glaze in his time, and the glaze at that time was transparent, but this transparency was not pure enough, it was colored.

"Most of the glaze is blue-green, as long as the glaze has a color, why is Gongzi Qin?" asked Cheng Yi.

"Yes, most of the glass has color, but there are also some that are very light in color, closer to crystal, and then I observed that the reason why the glass is fired is because of the stone that is used. Qin Chao pointed to an off-white stone on the table, "I found the mineral deposits of these stones, and crystals were emitted in the mineral deposits, so I think this stone is the same thing as the crystal in a sense, or is consistent in some elements......" Qin Chao said eloquently.

Burning glass is easy for modern people.

But the ancients.

Ancient China burned glass for thousands of years, but never burned real glass, or the Qing Dynasty Westerners came to teach Chinese to burn glass.

So there's some learning in there.

Like quartz stone purification, there are many steps, which the Qin Dynasty originally did not understand.

But the Qin Dynasty had the concept of later generations.

There is knowledge of the Hereafter.

I don't understand, but I can find a way faster than others.

For example, there are quartz, feldspar, mica and other stones on the granite, how to separate these stones?

The easiest way to do this is to use floating.

......

"Didn't Mr. Ikawa's "Everything Has Quality" talk about buoyancy, and I use buoyancy here......

"It's easier here, it's nothing more than magnetism, magnets attract iron, and use magnetism to get rid of the iron-containing substances, I've experimented so that the burned glass won't have green ......"

"And here is the rubbing method, the simplest, is rubbing......"

......

Listening to the same narrative of the Qin Dynasty, many of the principles of making glass were written in "Physics" by the Qin Dynasty, and some of the truths are the laws in "Everything Has Quality" that Cheng Yi sent to the newspaper not long ago.

Cheng Yi's face was very solemn.

Cheng Ming's eyes widened from time to time.

After a long time, Qin Chao paused: "Mr. Yichuan, that's the general way of making, I don't know the principle of some of these steps, so I can only explore it later." ”

Cheng Yi nodded slightly, looking at Qin Chao with emotion: "Glass, glass is a word different, it is worth a thousand times, the knowledge on "Physics", I didn't think it was anything at the time, but ...... It was useless at the time, it was really useless? Gewu Zhizhi, knowledge into the stomach, as long as you use it more, you will always use it, the old man has learned, this trip, haha, not in vain!"

"Linking theory with practice is the way to learn. Qin Chao shook his head slightly, "Mr. Yi Chuan, what we have mastered in the world is just a drop in the ocean, no matter how hard I Qin Xianao work, how much strength can I contribute to the martial arts world? Therefore, I advocate this, advocate that, nothing more than want this martial arts world to be eclectic and talented." ”

Cheng Yi raised his eyebrows, of course he understood the meaning of Qin Dynasty's words.

"Qin Gongzi is right, the old man will not stop it, if he is wrong...... Don't say this, let's talk about it again, by the way, didn't Gongzi Qin bring me here......"

"That's what measures air pressure. Qin Chao opened the drawer and took out a barometer from it.

"In this glass tube, I feel like mercury?"

"Mr. Yi Chuan is very knowledgeable, this air pressure measurement is to use mercury, of course, it is not impossible to use other liquids, so I asked Mr. to come over and discuss......"

Time passed, and on this day, Cheng Yi stayed in the glass research institute. (To be continued.) )