Can a person lift himself up by his own strength?
Although everyone didn't understand why Lu Chen suddenly asked this question, it didn't stop them from thinking about it.
"That's a very good question. An ordinary person probably can't do it, but legend has it that the Overlord possessed the power of a single grasp." Sun Jijiu shook his folding fan and explained to the disciples beside him with a smug look on his face, "The so-called power of a single grasp means that one can lift oneself up by grabbing one's hair."
Director Cao on the side also nodded and agreed: "Yes, in ancient and modern times, both in China and abroad, only the King of Chu has such power."
After listening to Lu Chen's question and the explanations of Sun Jijiu and others, many people tried to grab their hair.
But they soon gave up because they found that it was impossible to do so. How could a normal person lift himself up by grabbing his hair with one hand?
Not to mention one hand, even if I use both hands together it’s impossible!
Even Li Xiang, who had been studying with Lu Chen for a while, frowned. He used the knowledge he had learned to analyze it and felt that this was impossible and the force would be offset.
After Lu Chen asked this question, he stopped talking and let the people below discuss it.
After the noisy discussion gradually turned into silence, Lu Chen said with a smile: "The answer is yes, but it requires a few tools."
Lu Chen pointed and said, "Look everyone, this is a pulley system and a martial arts master who can master balance. Now he will show you how a person can lift himself up with his own strength."
As Lu Chen spoke, he nodded to Ma Tong who was ready on the side. Ma Tong shouted, grabbed the rope and pulled out the wooden board he was standing on along with himself.
Everyone exclaimed in surprise upon seeing this. Although it was obvious that Ma Tong was struggling and the wooden board was shaking, it finally left the ground.
Lu Chen nodded in satisfaction. To be honest, he had originally planned to conduct this experiment himself, but it was really difficult to master the balance in this experiment, so in the end he had to let Ma Tong do it for him.
However, the effect is the same, which is enough to prove that people can lift themselves up through the pulley device.
Looking at the ignorant expressions on the faces of the people below, Lu Chen knew that his appearance was a success.
Sun Jijiu, Director Cao and others looked at Lu Chen in shock. As they had said before, throughout the history of China, in the past thousands of years, the only one who could lift himself up was Overlord.
That's the Overlord! That's practically the ceiling of human combat power.
You, Lu Chen, look thin and weak, how come you have such ability?
Facing the puzzled looks of the crowd, Lu Chen explained with a smile, "This is mechanics in physics. It's a simple application of mechanics. As long as you master pulleys and levers, you can use less force to accomplish more work."
"As for the rainbow from earlier, it's an application of optics. The reading glasses and myopia glasses you use now are also applications of optics. You should have seen the microscope experiment a while ago, which is the current limit of optical applications. If optics can be mastered to a high level, taking a general's head from a thousand miles away would be as easy as taking something from a bag."
A group of scholars who wanted to become Lu Chen's disciples were extremely excited. This was the immortal art they wanted to learn! This feeling of controlling the life and death of others and looking down on the world from a high place was what they wanted.
Just when everyone was about to shout "Master Imperial Master is mighty," Lu Chen clapped his hands again and said, "I've shown you the applications of mechanics and optics. Now I'll show you the applications of electromagnetism."
As he was speaking, someone had already brought a two-meter-long steel needle onto the podium, followed by a half-meter-long centipede.
Lu Chen had a centipede skewered on a steel needle. He pointed at it and said, "In folklore, thunder has been a power wielded only by gods since ancient times. Thunder can destroy evil and eliminate all evil, and it can wipe out all the filth in the world. Thunder is the majestic power of heaven!"
"But what if I tell you that ordinary people can also master the power of thunder?"
What! ?
Many people, including Sun Jijiu and Director Cao, stood up suddenly. They looked at Lu Chen in shock, unable to believe what they heard.
That is the power of thunder. Is it something that an ordinary mortal can easily master?
Lu Chen was very satisfied with the shocked expressions of the group. He smiled and said, "Don't be surprised. Ordinary people can indeed master the power of thunder, but it's a bit laborious."
Lu Chen nodded to Mou Ping beside him, and Mou Ping immediately ordered, "Everyone, shake it up!"
As a group of people shook the thick joystick, people heard a squeaking sound.
Just when everyone was wondering what was going on, someone suddenly pointed at the centipede on the steel needle and said, "Look, that's Thunder!"
Yes, countless tiny electric currents spurted out from the centipede's feet, and the scene was extremely spectacular.
The centipede, which was obviously dead, began to sway continuously under the stimulation of electric current.
This scene deeply shocked everyone present today. Even many years later, they still looked incredulous when they recalled it.
Sun Jijiu ripped off his few remaining whiskers, his eyes wide open as he muttered, "How is this possible! How is this possible! Isn't Lei Tian the authority of Heaven? Is he really an immortal?"
Looking at the shocked expressions on everyone's faces, Lu Chen chuckled and thought to himself, if I don't do something fancy for you, are you going to forget that I'm a god?
"As you can see, these tiny electric currents appearing on the centipede are actually lightning. As for the reasons for their formation, that's the subject of electromagnetism. Let me briefly explain: this machine you see is a very primitive hand-cranked generator. To put it simply, its principle is to cut magnetic lines of flux."
"Of course, due to the lack of many important conditions, the hand-cranked generator can only be used for teaching at present and cannot be actually applied in daily production. However, I believe that as long as everyone works hard on research, this day will not be too far away."
"Everything I showed you today can be categorized into physics. Tomorrow, I'll show you what you need to learn in chemistry. I know a lot of people say my books are incomprehensible, and that's okay. Do you think just anyone can learn this kind of skill?"
Lu Chen's words caused a burst of whispers from the audience, and many scholars who were about to give up on natural sciences regained their confidence at this moment.
But just as everyone was thinking about how to get a high score next time, they heard someone in the crowd shout, "Master Lu is truly extraordinary. The Imperial Master of the Great Liao was also extremely delighted to hear this. He will be arriving in the Immortal Realm soon, and when he does, he will definitely ask Master Lu for some advice!"
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