"Is the earth a ball? And also with magnetism? ”

In the Manna Hall, after Li Tai finished telling everything he had experienced when he made the compass that day, Li Er's face became a little complicated, and after a long time, he couldn't help but mutter.

These novel theories may sound absurd at first, but behind each theory, there are strong arguments to support it, so that you can't open your mouth if you want to refute it, and it is precisely because of this that Li Er was silent for a long time after listening to it.

"Qingque, it seems that you already believe in the doctrine proposed by Li Zexuan?"

Li Er turned around and asked softly.

Li Tai had been sitting quietly below, even though Li Er had pondered for a long time, he did not show any impatience, let alone make any sound, when he heard Li Er's question, he hurriedly replied:

"That's true, Mr. Li's doctrine is not empty talk, there is a strong factual basis behind it, and Erchen also participated in a small experiment that day, and the facts are in front of him, so he can't believe it."

Li Tai paused, and then said:

"Erchen used to be conceited and talented, erudite and talented, but some arrogant, since he met Mr. Li, Erchen only knew what is outside the sky, there are people outside the world. In front of the Strange Pavilion, Mr. Li's inexplicable questions abused his son's body.

Later, Erchen entered the arithmetic hall, originally had some thoughts of competition, but with the deepening of understanding, he was impressed by Mr. Profound and vast knowledge, a new door, opened to Erchen, Erchen entered, only to find that arithmetic can be so exciting, interesting, and novel!

It wasn't until a few days ago that Erchen understood arithmetic, which turned out to be just the tip of the iceberg in the knowledge that Mr. was good at, physics, chemistry, these things that Erchen had never heard of before, Mr. could easily come to him, and Erchen's previous thoughts of competing with each other had long disappeared without a trace. ”

Compared with two months ago, Li Tai is indeed more stable and sunny now, and he is focused on studying, and he has even faintly forgotten that he wants to compete with Li Chengqian for favor.

Li Er looked at his son, in a short period of time, he had changed so much, and he was also a little emotional, and after pondering twice in his heart what Li Tai had just said, he suddenly asked: "Chemistry? What is Chemistry? Qingque: You probably didn't mention chemistry before, did you? ”

"Uh~~"

Li Tai was a little dumbfounded, he accidentally said that he leaked his mouth, he had promised Li Zexuan not to pass on the principle of making glass, what can he do now?

"Huh~? How? Is there anything else to hide from me? ”

Li Er is so shrewd, he immediately saw the hesitation in Li Tai's eyes, isn't hesitation at this time equivalent to preparing to lie next?

Li Er was a little dissatisfied in his heart, among his several sons, his favorite was Li Tai, but he didn't expect that his favorite son would want to lie to him now.

"No, no, back to my father, Mr. said before that the so-called chemistry is the science of change, and it is a science that studies the change of matter. Under certain conditions, several substances react with each other to form a new substance, which is the definition of chemistry and the use of chemistry! ”

Li Tai was panicked by Li Er's eyes, and quickly blurted out.

"The science of change? That sounds interesting! ”

Li Er held his chin and smiled, and then asked, "Why did Li Zexuan mention this knowledge to you?" Could it be that this kid has created something new? ”

Li Tai's heart sank, and sure enough, things were developing in the direction he didn't want to see, but in this case, there was no time left for him to think, Li Tai could only bite the bullet and say: "Back to my father, Mr. Hu Shang's glass was muddy and expensive, so he made the glass himself, and the knowledge he used was chemistry!" ”

"What~~?"

Li Er Huoran got up, he was really shocked and angry, such a profiteering thing as glass was made by Li Zexuan, how could he not be surprised; Previously, the imperial court commissioned the Qiqu Pavilion workshop to manufacture a compass, Li Zexuan asked for four times for the reason that it contained glass, he thought about it at the time and agreed, but now Li Zexuan can make his own glass, the cost of the compass will definitely be much cheaper, thinking of this, how can Li Er not be angry?

Two days ago, Li Xiaogong ran into the palace and told him that the compasses bought from the Qiqu Pavilion workshop were of better quality, especially the glass was more transparent. The result? He and Li Xiaogong were both molested by this kid!

"Do you know the cost of the glass made by Li Zexuan? How is it made? ”

Li Er calmed down and asked.

"Well, back to my father, at that time, Mr. just told us the general principle of the glass production process, and the details did not say, the specific process of glass production, I am afraid that only a few core members of the workshop can know. As for the glaze they produce, the cost is unknown, but it may be cheaper than the glaze sold by Hu Shang, and the quality should be on a higher level! ”

Li Tai pondered his words and said. He knew what Li Er was thinking, it was just that he was a little unbalanced, he deliberately didn't say the materials used in Liuli, otherwise Li Er would definitely be even more angry when he heard it.

"Hmm~~, I didn't expect this kid to be really knowledgeable and talented, and he can make glass!"

Li Er didn't hear the news that the glass was very cheap, and he felt a little better, but then he thought about it, and he was relieved, Li Zexuan can make the glass, for the Tang Dynasty, it is beneficial and harmless, and it is those Hu businessmen who should really be worried. Li Zexuan makes money with his ability, why does he, the emperor, care about those details?

"What my father said is that the longer you stay with Mr., the more you can feel Mr.'s erudition!"

Li Tai breathed a sigh of relief and nodded in agreement.

"Heh~! That kid has been moving again recently, Qingque, I'm afraid you don't know yet, right? ”

Li Er took a sip of tea and said with a smile.

"Oh? Sir, what is the invention? Erchen has been busy preparing for the monthly exam recently, but he hasn't seen Mr. much! Can you tell me a thing or two? ”

The little fat man's eyes lit up and he hurriedly said.

"Hehe, in addition to the arithmetic, physics, and chemistry you just mentioned, that kid is also proficient in electricity, magnetic fields, and advanced mathematics! The thing he made recently was based on these studies! ”

…………………………

(End of chapter)