Chapter 85: Learn Mathematics, Physics and Chemistry [Seeking for reading, collection, monthly pass recommendation]

"Actually, there is an easier way."

With the sound of these words, a young man with an unsmiling smile and well-dressed clothes walked out from behind.

"Wang Yu?" Wang Bo recognized the person immediately.

"Isn't your first class down there? How did you run up here?"

"Our class is setting up camp. My tent has been finished. I'm bored, so I came to see you Class 9."

Wang Yu answered formally, then smiled:

"Sure enough, you Class 9 are as interesting as I thought."

“Creating difficulties for yourself through outings, and then using your own knowledge to solve them is indeed very teacher Ren’s style.”

"No matter how stylish you are, you are still the class teacher of Class 9, so don't make random decisions."

Listening to Wang Yu's words, Wang Bo's heart tightened for no reason, and he immediately looked at the other party warily.

This grandson still doesn’t give up on his homeroom teacher~

You must be on guard!

"You don't need to guard against me like a thief. I just want to experience the fun of learning with you." Wang Yu shook his head helplessly and spread his hands to show that he was innocent.

Wang Bo and others looked at each other and relaxed a little.

After the last 'cooperation', Wang Bo and others also know Wang Yu's style, and generally they still say one is one.

But even so, they would only allow each other to play occasionally.

But if the other party really plans to abduct Ren Yan to Class 1, then they still have to resist resolutely for a while.

"What is the simpler method you just mentioned?"

After the atmosphere calmed down a little, Wang Bo asked his doubts.

"Battery." Wang Yu answered naturally.

Then he walked to the pile of sundries in Class 9 and picked up a scattered battery. Then he pointed to the pocket containing the sundries and asked, "Can I get a piece of wire from inside?"

Wang Bo nodded, but then he felt something was wrong: "How do you know we still have wire?"

"You have almost surrounded yourselves with wires. No one can see it yet." Wang Yu laughed noncommittally and lowered his head to search for the wires.

This made Wang Bo slightly embarrassed.

Mud, you were careless, you forgot that you asked your classmates to make fences before!

Not long after, Wang Yu took out a small piece of wire from the debris and looked at Wang Bo and others.

Then, under the watchful eyes of Wang Bo and others, he took out some toilet paper from his pocket and wrapped it in the middle of the wire.

The other two ends are directly pressed on the positive and negative terminals of the battery.

Three seconds later.

The toilet paper in the middle of the wire immediately burned.

Seeing the almost instantaneous flames in front of them, Wang Bo and others blinked, feeling a little confused for a moment.

What the hell is this principle?!

Is it so easy to light a fire with bare hands these days?

So what is the use of a lighter?

Seeing the obviously stupid looks in Wang Bo and others' eyes, Wang Yu extinguished the flames and began to explain with a smile:

"The principle is actually very simple. It mainly uses electric current."

"After the electric current passes through the conductor, it will leave a certain amount of energy. This energy will always appear in the form of heat on metal materials such as iron wires."

"At this time, if you find some substances with a relatively low ignition point, they will be easily ignited."

"I think this is probably the reason why Teacher Ren didn't bring a lighter directly, but brought a bunch of batteries."

"After all, this is just some very basic physics knowledge."

Wang Yu explained it very plainly, and Wang Bo and others understood it very clearly.

But then they got a little confused.

Why the hell is this physics again?!

As the saying goes, if you learn mathematics, physics and chemistry well, you will not be afraid of traveling around the world.

Previously, they thought it was nonsense, how could mathematics, physics and chemistry be more effective than money.

But now it seems that this sentence may actually be a truth!

But then, they turned their attention to Wang Shanhai.

The meaning of that look is also very clear.

Look at this person!

They all use physics, and lighting a fire is realistic and comfortable, even just bending over!

But when it comes to you, you have to make a disk, pull a rope, and the key is to get a wooden board with a fire groove engraved on it. It doesn't have to be too complicated!

As an adult, he is actually not as good as a student.

Little brother, can you do it?!

At this time, Wang Shanhai, who was standing by the side, was also going crazy in his heart.

Looking at Wang Yu's harmless smile, he felt a little sick in his stomach.

At this moment, he wanted to give Wang Yu some kind words of advice.

Children, if you pretend to be someone else's B, you will easily get beaten in society. Do you know this?

He originally planned to use this method of igniting the battery as a trump card and tell Wang Bo and others step by step.

Let them admire his "eruditeness" and thus create a sense of existence, paving the way for the subsequent scene where father and son will recognize each other.

Although Ren Yan told him all this.

But this does not prevent you from using it to pretend to be X!

Well now, B was cut off by a kid before he finished pretending, and he just finished pretending right to the end.

Do you understand what gradual progress is and what foreplay is?

Wang Shanhai was extremely tired, but at the same time he was also surprised.

To be honest, the principle of battery ignition is very simple. As long as it is explained, any modern person can understand it.

But this does not mean that everyone can think of this in time.

There is always an invisible gap between theory and application, which requires long-term exploration and observation.

But now, a high school student can actually think of this method as soon as he sees the battery.

This really surprised him.

When I was in high school, there were no such 'practical' bosses.

What do children today eat when they grow up? Have all of them grown to this point?

However, after looking at his sons and others, Wang Shanhai breathed a sigh of relief.

Maybe, this kid named Wang Yu is a special case.

Wang Yu, on the other hand, completely ignored Wang Shanhai's "confused" look. After demonstrating the method he thought of, he went to the flywheel firearm.

Observed with great interest.

"Although this thing looks quite complicated, the mechanical structure is really ingenious, including inertia, friction, centrifugal force, and energy conversion."

"It contains indeed a lot of knowledge points. If you are not a person with rich theoretical knowledge, it would be difficult to think of this."

After looking at it for a moment, Wang Yu looked at Wang Shanhai sincerely and sighed: "Uncle, you are really extraordinary. You can compete with Teacher Ren."

After listening to these words, Wang Shanhai instantly felt a lot more relaxed.

The look in Wang Yu's eyes became kinder.

This young man is quite discerning~
Chapter completed!