Roman Slave Owner

Chapter 121: Troublemaker

　　 "President, I have to ask questions too."

　　 At this time, the old man Mettrus raised his hand and shouted.

　　 This roar was really amazing, and it stunned everyone else.

　　 Sura looked at this old guy viciously, and you dared to ask questions.

　　Metelus held his head unceremoniously. This is the school, not where you are prestigious.

　　 Li Wei felt a little pain in his head, "Okay, ask each question one by one, next time you have a lower voice."

　　 "Dean, why can glass see what we can't see with the naked eye? And what do you think light is? Is it a moon atom or a sun atom or something else? Do you agree with Democritus' atomic theory?"

　　 Good fellow, Mr. Metluth asked four questions like a cascade.

"Well, there are a lot of questions. Let's talk about what light is first? I partly agree with Democritus' atomic theory, but I don't think light is composed of moon atoms or sun atoms, but photons. This It’s another special particle besides atoms."

"For example, the reason why we can see this table is because the photons shine on the table, and then reflect, part of the photon reflected in our eyes, we see the table. The reason why glass allows us to see the naked eye. What I got is because of refraction."

　　 Li Wei said.

　　 "What is reflection? What is refraction?"

　　Dora Bella did not raise her hand, but stood up and asked.

　　 His behavior of rushing to ask questions drew other people's glare. Why is this guy so unruly?

　　 Li Wei had a terrible headache. No matter what, the discipline of this class will be over.

　　 "In the future, you must raise your hand first, or you will be deemed to have given up your qualifications.

　　 Li Wei said.

　　Dora Bella sat down triumphantly, as if he had won a big battle, attracting the unanimous contempt of others.

　　 A group of shameless guys, Li Wei complained.

　　 "What is reflection and refraction? This question is more complicated. I have a specific description in the textbook I issued. It is in the last chapter of the first volume."

　　 Li Wei said.

　　 "Textbooks? Where can I find them?"

　　Dora Bella asked.

　　 Li Wei has the urge to scold his mother. You are not my student. What textbooks shall I send you?

　　 Only then did they discover that the students sitting behind them were holding a roll of papyrus with densely written text on it.

　　 Sura turned to a doctor behind her, stretched out her right hand and looked at him faintly.

　　 Seeing this, the doctor's cold sweat, so he had to obediently offer the papyrus in his hands.

　　Dora Bella unceremoniously snatched away the papyrus in the hands of the person behind, seeing that Li Wei wanted to hit someone, so she would definitely not let it come next time.

　　 Pompeo turned around and smiled, his handsome face made the heart of the midwife behind him plop like a deer.

so hot!

　　 She blushed and handed him the papyrus in her hand.

　　 "Thank you."

　　 Pompeo said with a smile.

　　 The midwife almost lowered his head to his chest, and said like a mosquito.

　　 "A bunch of bandits."

　　 Seeing that the generals "borrowed" textbooks from his students, even some of the veteran knights behind were no exception, Li Wei couldn't help cursing.

"As stated in the book, when a photon hits an opaque object, it will reflect. In a perfectly ideal environment, its angle of incidence equals the angle of reflection. What is the angle of incidence and angle of reflection is introduced in the books, but this is not The focus of our lecture, the focus of our talk is the refraction of light."

　　 Li Wei said.

　　 He took out a wooden basin half filled with water, and then put a sword in the basin.

　　 "Is this sword straight?"

　　 Li Wei asked.

"Yes it is."

　　 his students said one after another.

　　 "Then look at it, is it bent in the water?"

　　 Li Wei motioned to Duilius next to him to walk over to the students with a wooden basin.

　　 Du Ilius flushed with excitement. He thought that Li Wei was just a dude, and running a school was just for fun.

　　 I didn't expect it to be so good, he can still tell if someone is really in stock.

　　 If Li Wei really becomes a great philosopher of a generation, will he become his disciple and become famous in history?

　　 is like Socrates and his disciple Plato.

　　 Just when Duilius released himself, he looked at Li Wei questioningly. What was he talking about just now? He did not hear clearly.

　　 Li Wei looked at this guy angrily, what the **** was this guy doing.

　　 "Show this end to the students."

　　 Li Wei said with restraint that there were too many accidents in class today.

　　Duilius immediately understood what Li Wei meant, and he walked over to the students with the basin of water.

　　 "It really is curved."

　　 Some students said after watching it.

　　They may have seen this kind of thing in normal times, but they have never seriously thought about why.

　　 After Li Wei's reminder, they found that it was indeed the case.

　　 After all the students had observed, Li Wei asked, "So is the sword really curved?"

　　 Those students shook their heads one after another, how could it be possible?

　　 Li Wei asked Duilius to take out the sword, and the sword was really straight.

　　 "This is the phenomenon of light refraction. When light enters another transmission medium from a transparent medium, the light will be refracted."

　　 "Fake! Absolutely fake!"

　　 At this moment, a roar suddenly sounded in the classroom.

　　 Li Wei looked at the source of the sound very angrily, and found that Dora Bella was holding the roll of papyrus and shouting loudly.

　　 "Tell me where I am wrong?"

　　 Li Weiqiang said angrily.

　　 "How can sunlight consist of seven colors of light, it's impossible!"

　　Dora Bella said loudly.

　　 "It's impossible! How can sunlight be composed of seven colors of light?"

　　 someone asked.

　　 "How can it be impossible~www.readwn.com~ It's written here."

　　Dora Bella pointed to the papyrus and said.

　　 A group of heads leaned forward immediately.