Doomsday: Humanity shrinks 100 times

Chapter 97 Launcher
Lu Yuning's other idea was the combination of potential energy bomb and boiling water.

Yes, this is actually equivalent to replacing aluminum powder with 100-degree boiling water.

However, this type of bomb is somewhat difficult to make. How to wrap boiling water around iron products that generate potential energy is a problem.

In this case, the bomb itself needs to have a certain pressure so that it can generate explosive power when the potential energy of the internal iron products is converted.

Otherwise, it would be like throwing a firecracker into the water. It would make a noise but it wouldn't make any splash.

If the water can't splash out, the weapon is meaningless.

There are also some problems with using items containing water in projectile weapons.

Due to the inertia of the water inside, the projection speed will drop sharply. This principle is a bit similar to how a boiled egg is easier to spin, while a raw egg will stop spinning quickly.

In short, the application of Zou Yun’s new abilities in weapons is quite diverse, and they need to develop them slowly in the future.

The same goes for other people's abilities.

Lu Yuning and Xu Ting worked together to process almost all the aluminum products.

Processing the aluminum slag is the most time-consuming, so Lu Yuning carefully wrapped up the aluminum slag.

It is very dangerous if this thing accidentally enters the respiratory tract. Given their current vulnerability, it is probably a fatal threat.

However, Lu Yuning did not make the aluminum slag too small. Firstly, it could be easily inhaled into the lungs if not handled properly. Secondly, it was extremely difficult to recycle and would almost never come back.

So crush it into something that is almost collectible.

The remaining aluminum cans were cut into pieces by Lu Yuning, all of which looked about the same size. These would become their important energy storage devices in the future. Of course, Zou Yunxin and Zhang Qian still had to take action.

Finally, some aluminum was retained for other uses.

The aluminum products have been processed almost completely, and the next step is to deal with the iron nail.

The nails ultimately have two uses: making bombs and catapults.

In ancient times, when marching and fighting, common catapults were used to convert potential energy into kinetic energy. Usually, there would be a heavy object behind the catapult that was responsible for storing potential energy, thereby generating kinetic energy to launch the shells.

However, they now have more advanced potential energy conversion items, which are naturally iron products.

The projectile structure made of iron products that can automatically store potential energy is much simpler.

You can refer to ordinary crossbows, except that the string used for launching is replaced with iron, and Zou Yunxin can charge it when firing.

However, a problem arose.

The potential energy transformed by Zou Yunxin requires a certain collision to be released.

This puzzled Lu Yuning a little.

"What's wrong?" Xu Qi looked at Lu Yuning, who looked a little sad, and came closer with some curiosity.

She wanted to see more about what was stumping this master who, in her eyes, was almost omnipotent.

"How do we get rid of this bomb?" Lu Yuning also imitated Zhang Xinyue, using the ground as straw paper and writing and drawing non-stop.

"Bounce? A spring?"

Xu Qi said it unintentionally, but Lu Yuning listened with intent.

"Spring? Spring!" Lu Yuning suddenly reacted and was a little surprised for a moment.

Xu Qi was startled by Lu Yuning's reaction.

Then Lu Yuning immediately squatted on the ground and modified the design, adding a spring at the launching position.

The conversation between the two attracted other people as well.

Zhang Xinyue had the sharpest ears. When she heard them talk about spring and looked at the design draft drawn by Lu Yuning on the ground, she already understood a little.

"Did you draw this?" But her focus was on the somewhat crooked design draft on the ground.

It actually looks a little funny.

"Excuse me, I'm not good at drawing." Lu Yuning scratched his head. Xu Qi also came over to take a look and immediately found it funny.

Later, other people also came to watch, and in the end they all believed that Lu Yuning had no talent in painting.

"It turns out that there are things he is not good at," Xu Qi whispered to Zhang Xinyue.

"Well, it seems he has no talent for painting, and he has a weakness."

"What?" Xu Ting joined the conversation curiously.

"Super scared of spiders."

"Ha ha"

Several people were whispering, but now they had excellent hearing, so Lu Yuning heard everything even if he didn't want to listen.

Listening to the whispers of several people, Lu Yuning felt as if they were studying an unknown creature, and his face was full of black lines.

"Ahem, let's deal with the materials first. Xinyue, how about you help me draw the design?" Lu Yuning had to interrupt the discussion of several people, and then made a request to Zhang Xinyue.

"Okay, let me do it." Zhang Xinyue found another twig.

Then she looked at Lu Yuning's work on the ground, couldn't help but smile, and then started to work.

Then a lifelike crossbow-shaped device appeared on the ground.

Lu Yuning hurried over and wiped off what he had drawn.

"Well, here, add a spring." Lu Yuning pointed to the place where the crossbow arrow was launched.

"You want to use a spring to launch it?"

"No, it can be started with a spring. The launcher is a small iron block. When launching, just pull the brake device and hit the spring on the fixed iron block."

"Like this?" Zhang Xinyue understood and drew it immediately.

Lu Yuning nodded in satisfaction: "Yes"

"Why not just launch it directly using a spring?" Zhang Xinyue was puzzled.

"Unstable"

"Ah, I see."

"What do you mean?" It was Xu Ting who asked the question. She was obviously more interested in this, but it was a little difficult for her to understand what the two were saying.

"Since we want to accurately launch the bomb into the spider's nest, we need to do some launch experiments before that. Then, based on the experimental results and the horizontal projection formula, we can calculate the initial potential energy. Only then will it be possible to send the bomb into the spider hole."

Lu Yuning cleared his throat and continued, "This requires that our launch device be relatively stable and avoid large random numbers. Otherwise, the experimental results will be useless. If we use a spring to launch, the spring will generate a thrust, which may cause imbalance and some random numbers of initial friction and speed. Therefore, the best way is to fix the initial position of the ejection device and the bomb. Only in this way can the experimental data be meaningful and the ability to accurately strike is guaranteed."

Xu Qi and Xu Ting nodded, probably understanding what was said.

"Do you understand everything?" Zou Yunxin was feeling a bit gloating, thinking Xu Qi and Xu Ting didn't understand either. Unexpectedly, they both nodded, which immediately hit him hard.

"I can understand it to some extent," Xu Ting said.

"Study hard in your next life." Wu Xiao patted him.

"Le Le doesn't understand," Xu Le Le said timidly.

"."

There is a university near this park, and Xu Qi and Xu Ting are obviously students, so they can understand some basic physics knowledge.

If you are an office worker, you probably have returned some of the knowledge to the teacher.

Of course, people like Zou Yunxin who study sports can understand it, but it doesn’t matter anymore. In short, just let him know how to use it. His participation is required in the operation of the entire device.

Of course, the entire device can also trigger potential energy conversion by knocking, but there is still the same problem, knocking will produce random kinetic energy numbers.

The spring force is the action and reaction force of the entire device itself.

(End of this chapter)