Du He saw a dozen listless men lined up in front of him.

An excited voice came from ahead.

"Hurry up, hurry up, hurry up... haven't you eaten yet, why are you so slow, hurry up..."

Du He rushed forward.

In the center of the hall, there was a sturdy wooden shelf more than two people tall.

In the center of the shelf, there is an extremely huge ball. The volume of this ball is as big as the bodies of five people. Both ends are fixed on the shelf, and a wooden handle extends from each.

At this moment, two burly men with bare upper body were holding the handle and shaking it. The big ball whirled, with two animal skins on each side. When the big ball was spinning, it brushed the brush.The big ball was spinning faster and faster, but Yuan Qingfeng, who was sitting in a wheelchair, was still dissatisfied and kept urging.

When you get closer, you can find that the huge sphere is not iron or copper, but made of sulfur, and it looks a little rough.

"stop!"

Yuan Qingfeng shouted.

This kid was so absorbed in his experiment that he didn't even notice that Du He was walking beside him.

Several men withdrew immediately, and the big ball spun for a while before it stopped.

Then, Yuan Qingfeng waved his hand and said, "Hurry up, line up, come one by one, number one, come here quickly."

An honest-looking man with a sallow face hurried up, with a look of pain on his face, begging for mercy, "Young Master Yuan, I don't want to die, I have old and young, and I beg you to let me go back. I'm going to build a chair too."

Yuan Qingfeng said angrily: "Why are you crying? It's really useless. I can guarantee that nothing will happen. Back then, my teacher tied Chief Engineer Lu to a big tree and drew lightning to strike him. Isn't it all right?" , It was really a fascinating experiment, but unfortunately, now that winter is here, there is no thunder, otherwise, I will also be a king of thunder and lightning... Okay, follow me to do experiments in the future, no one will die, and there will be good days every day Food and drink, daily wages, fifty renminbi, much more fun than you in the furniture factory, hurry up, or I will whip you..."

Under Yuan Qingfeng's coercion and lure, the man stepped forward cautiously.

……

(There is one more chapter, and it will be released soon!)

Chapter 433 Three visits to Banshan College

I saw a thick copper wire under the wooden shelf, one end was placed on the giant sulfur ball, and the other end extended down, lying across the midair.

The man turned his head three times at a step, stepped forward amidst Yuan Qingfeng's cursing, raised his right hand that seemed to weigh a thousand catties, and slowly approached the copper wire.

Seeing it, there is still a distance of more than ten inches.

stab.

Suddenly, an electric current was released from the copper wire, sparks radiated, and there was a loud noise. The originally dimly lit hall suddenly seemed to be filled with sunlight.

Then there was a crackling sound.

The man stood there, his body trembling violently.

When the man turned around slowly, everyone realized that the clothes on his body were burnt in many places, his face was as black as if it had been painted with ashes from the bottom of a pot, and his hair stood up high, which could be called a strange shape.

Yuan Qingfeng was so excited that he seemed to stand up from his wheelchair, and shouted: "Hahahaha, I succeeded, I succeeded... Hurry up, number two, continue, don't be afraid, you won't die, the current will only get worse. It's getting weaker and weaker, and number one is not dead, so you don't have to worry..."

No. [-] man stepped forward and got a little closer before he was electrocuted and let out a scream. The final outcome was indeed much better than that of No. [-].

It wasn't until No. 12 went up that the static electricity stored in the giant sulfur ball was completely consumed.

Yuan Qingfeng quickly took out his notebook and wrote it down: "No. 30 second experiment, turning the sulfur ball for two incense sticks..."

This guy hasn't found Du He and Lu Hao yet.

Du He waved his hand to let everyone leave, and then he walked slowly to Yuan Qingfeng's side.

Yuan Qingfeng was lost in thought, without raising his head, he said, "Hurry up and eat, and continue the experiment in the afternoon. Next time...speed up and take longer."

"We can no longer use humans for experiments..."

"That can't be done, the teacher said, dedicating oneself to science is an extremely great thing..."

Halfway through the speech, Yuan Qingfeng suddenly felt something was wrong. He turned around and stared blankly at Du He: "Teacher!"

Du He said with a serious face: "Send those people back, we can no longer use humans for experiments."

"Teacher, you won't die."

Du He pointed to his head, and said: "This is electricity. Although it won't kill people, it will inevitably affect people's brains. If it is light, it will become a fool, and if it is serious, it will become a vegetable. This is very dangerous. Science Experiments are important, but life is equally important. Your experiment just now was very successful, but the first discharge just now is enough to electrocute a bird."

"Thank you, teacher!"

Yuan Qingfeng felt extremely proud to be praised by Du He.

This guy laughed like a fool.

Du He suddenly asked: "Qingfeng, have you thought about a question?"

"Teacher, what's the problem?"

"Why did you do this frictional electrification experiment? What's the use of it?" Du He asked with a smile.

Yuan Qingfeng tilted his head: "Yeah, what's the use, and why... I don't seem to have thought about this question before!"

The guy fell into deep thought.

Du He waved and led Lu Hao out, closing the door of the laboratory by the way.

When he got outside, Lu Hao couldn't help but asked: "Teacher, senior brother isn't stupid, is he? You see that he didn't answer your question just now, he is completely stupid, and his eyes are distracted!"

Du He shook his head: "This is something he has to go through. Now he is doing experiments like this crazily. It's all because of his interest. Once his interest is no longer there, he may go to extremes. It's better to think about these issues early. For the better, it will also help him go further!"

Lu Hao said helplessly: "It's really troublesome. It's more practical to hunt, so you don't need to think about these issues."

Du He knocked on Lu Hao's forehead: "Once humans stop thinking, monkeys will laugh."

"What do you mean?"

"Think for yourself."

"It's so difficult, I don't want to think about it." Lu Hao said dejectedly.

Du He: "...I'm afraid you are not Lu Bu's biological son."

……

"Master, what do you think will happen if Du He refuses to agree this time?" the housekeeper, Wang Fu, looked at the magnificent buildings of Banshan College, and couldn't help but said.

The eldest grandson said angrily: "You son of a bitch, you really want Du He to see me, don't you?"

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