Chapter 1819

Ma Zhou scratched his head and didn't seem to remember much, while Hao Chujun nodded.

"Now that you've remembered it, go find it. Take it at a incense burning time. I'm in urgent need."

Zhang Feng waved and signaled them to leave. Now he is eager to build the doomsday battery, so that he can improve the hot-air balloon.

They understood and walked out of the door. They were Zhang Feng's students. Naturally, they knew the teacher's ideas. Now it was a critical moment. They couldn't help the teacher a little, and even delayed a little. They were a little ashamed to think of it. Now the only thing they could do was to act meticulously according to the teacher's instructions.

Seeing their backs drifting away, Zhang Feng took back his eyes, took a cigarette from his waist, held it in his mouth, lit the fire fold and slowly smoked it. He couldn't help thinking of the idea of doomsday battery.

Coal has a very low voltage, but if it gathers more, the voltage will increase, which is similar to static electricity. With copper wire and other conductive materials, it is easy to lead out the current. With these currents, it is much easier to produce hydrogen.

At the thought that hydrogen could be produced immediately, he couldn't help but feel a burst of joy. At that time, the hot-air balloon will be filled with hydrogen, which is a real hot-air balloon. It's easy to carry people without the help of air flow and wind.

Zhang Feng showed a proud smile at the corners of his mouth, as if he were celebrating for himself.

"Fengzi, all the coal has been broken. What should I do now?"

Sitting on the ground, Chumo looks up at Zhang Feng and asks.

Zhang Feng took the cigarette end from the corner of his mouth and glanced at the coal on the ground. It's not bad. They all have the size of a thumb and should be able to use it.

"You find coarse cloth to wrap all the coal. Remember, you can't see water."

We must charge these things clearly, or if these things are accidentally screwed up, we will lose a lot.

"OK."

The eldest son smiled and felt a piece of coarse cloth from the side, which was a dressing.

Everything is almost ready. Just wait for the experimental materials of Ma Zhou and the two people. After about a incense burning time, the two people who are eager to see stagger back. They are still breathing heavily in their mouth. It seems that they are very tired.

"Come on, sit down and have a rest."

Zhang Feng greeted with concern. Even if the experiment is important, people can't neglect it.

"En... Teacher, I brought back my things."

Ma Zhou took out a package from his arms and handed it to Zhang Feng.

Zhang Feng took over and opened it in his hand. All kinds of metal equipment appeared in front of him, such as copper wire, iron wire, and all kinds of iron awls, cotton cloth, Mitsubishi army thorn, iron block, etc. anyway, there are all kinds of things you can't think of.

"Ma Zhou, Hao Chujun, where did you rob? How did you get such a thing back?"

He glanced at the package and felt a little disgusted. Most of the things in it were useful, but many of them were useless at all. He felt that the two goods had gone there to rob, but on second thought, just them? ha-ha!

"Mentor, if you give us more courage, we won't dare."

Hao Chujun sat on the stool with a bitter look on his face: "this is all given by the guy alchinnon."

"Alcinnon?"

Zhang Feng frowned: "I don't want cotton cloth."

"Master, we listened to your orders and went to find alchinnon. As a result, the guy gave us these things as soon as he heard it."

Hao Chujun has some grievances, just like what alchinnon did to him.

"Forget it, forget it, it's better to have than not."

Zhang Feng waved and didn't care. Then he glanced at the crowd: "come on, get ready to start the experiment. The iron cow poured these coal into the iron jar. Ma Zhou went to fill the salt water and started immediately."

"Wait."

Chumo holds his right hand high and stops it.

"Iron cow, your fucking skin itches, isn't it?"

Zhang Feng stares at Chumo. He is dissatisfied. He sees that the experiment is about to be carried out. Only this day's killing can he run out to make trouble. He really shouldn't have brought him out.

"Feng Zi, you can do the experiment. Can we go to heaven?"

Chumo said hopefully. He just thought he could go to heaven by pulling the coal back. What ghost experiment would he do now?

Although he had been on a day just now, he still couldn't forget the beautiful scene. Of course, this is only one of them. The most important thing is that he is the Cheng family and the son of Cheng Yaojin. Who is Cheng Yaojin? The well-known Duke Lu, as the son of the Duke, is supposed to bear the supreme glory since he was a child, but is the young man not proud and energetic? How can I live in my father's shadow every day? He even had the idea of surpassing his father.

However, his father's glory shines on him all the time, making him a little unable to open his eyes. Since he can't surpass it, he might as well be a salted fish. Isn't his father known as the devil of the world? Then you should be the biggest dandy in Chang'an.

In this way, he was nostalgic for Qinglou and Tavern every day. He had to change two kidneys until Fengzi appeared and encouraged him to experiment with phosphate fertilizer and make waterwheel. Otherwise, the boy would be abandoned.