"So these are fireworks?"
Li Er stood beside Li Zexuan with his hands clasped behind his back. He looked up at the dazzling fireworks in the sky, and a look of surprise flashed across his eyes. Although he was an emperor, this was the first time he had seen such a dreamy and magnificent spectacle! He couldn't help but mutter to himself.
Seeing this, Li Zexuan couldn't help but feel a little smug. How many people in the world could shock Li Er, a famous emperor?
But while he was feeling smug, his eyes were still vigilantly watching the students who were running to light the fireworks. After all, if this thing exploded, the consequences would be very serious, so he had to be prepared to save people at all times!
"Marquis Yong 'an, how can this firework fly so quickly into the sky?"
Suddenly, Li Er asked such a "naive" question. It seemed that the sky had a very strong attraction to the ancient people!
"Your Majesty, Qingque should know the answer to this question. Let her explain it to you!"
Li Zexuan cupped his hands and said.
"Oh? Qingque, you know the reason? "
Li Tai, who was standing to the left of Li Er, stood up excitedly and replied:
"Father, as far as I know, the reason why this firework can fly so quickly into the sky is related to the gunpowder in it! Once the gunpowder explodes, it will produce a very strong thrust, which will make the upper part of the firework overcome its own gravity and fly into the sky quickly!
As for the upper part of the bullet, its fuse will be ignited when it flies out of the pipe. The length of the fuse is calculated by Yamachō, so it can be guaranteed that it will fly to the highest point and explode every time! This is the scene we are seeing now! "
The previously arrogant Li Tai had now transformed into a big shot in the physics world. He explained the analysis of the force of the firework to Li Er. Hearing this, Li Er, Empress Zhangsun, Li Chengqian, Changle, and the others were all stunned!
"Thrust, gravity?"
Faced with these new terms, Li Er was caught off guard. Although he had glanced at the academy's physics textbooks, he had only glanced at them and didn't study them in detail. Of course, what caught him even more off guard was that his son had only stayed in Yanhuang College for half a year. How could he know so many things that didn't exist in the Tang Empire before?
Seeing the shock on his father's face, Li Tai's sense of accomplishment instantly exploded. This was like a child who knew something amazing and would show off in front of their parents, asking for praise. Right now, Li Tai belonged to this type of person who wanted to show off.
"Cough! Father, when you talk about gravity, it's actually … "
"Alright, alright! I have a rough idea what it means! "
Li, Li Er's, Li Er's's, he's's's's's,'s's's's's's,'s's's's's's.
Li, Li's's, Li's's.
Changle, who was at the side, suddenly had an idea. "Brother Xiaoxuan, since gunpowder can propel projectiles into the sky, can it send people to the moon?"
Li Er's eyes instantly lit up, and he turned his gaze to Li Zexuan. That night at Yanhuang College, he had used an astronomical telescope to observe space. It was still unforgettable. Changle's suggestion made him feel a little excited.
Although Li Zexuan had said that night that it would take at least a hundred years of technological accumulation to send humans to space, what if there was a shortcut?
"Pfft!"
Li Zexuan almost vomited blood when he heard this. Changle's' suggestion was a little similar to a rocket. He didn't expect her to have such a bold idea even though she didn't have much knowledge of engineering.
"Changle, although gunpowder is extremely powerful and can propel objects into the sky, it will explode instantly once it's ignited. It can only provide an instantaneous explosive force. We can't control its combustion speed, so it can't provide a continuous thrust to send heavy objects or human bodies out of the ground beneath our feet!
Furthermore, with Tang Empire's current conditions, even if we send people out of Earth, we can't guarantee their survival in space! After all, there's air on Earth, but nowhere else! "
Li Zexuan tried his best to explain in a language that Changle could understand.
"Oh!"
Changle thought for a moment, then nodded, not fully understanding.
Li Er waved his hand and said, "Those who achieve great things don't bother about trifles! If you have the ability to send people to the moon, just do it. As for whether they can survive on the moon, you don't have to worry about it! "
Old Li always had an obsession in his heart, and that was to go to the heavens! Even if he didn't do it himself, the people under his rule could do it! This was something that even the Three Sovereigns and Five Emperors, Qin Huang, and Hanwu couldn't do!
So what if he had to make a small sacrifice for this?
Li Zexuan rolled his eyes and didn't say anything. He couldn't be bothered to argue with Li Er over this matter!
Aerospace was such a sacred thing. Even if Tang Empire had the means to carry out manned space missions in the future, as long as he was around, he wouldn't allow anyone to mess around!
Li Er knew what Li Zexuan was thinking. He shook his head and remembered that today was New Year's Eve, so he didn't blame him. He just thought to himself, This kid is too kind!
… … … …
Boom, boom, boom ~!
The sky of Yun Mountain was especially charming tonight!
After the students of Class 1 finished setting off the fireworks, Li Zexuan asked the remaining guards of the academy to "go into action together". Previously, there were four sets of fireworks, but later, there were more than ten sets of fireworks aimed at the sky!
Colorful sparks flew up and landed, blooming proudly in the sky. Red, orange, yellow, green, blue, indigo, and purple. Everything was there. Colorful purples and reds decorated the night sky beautifully and gracefully, illuminating the earth as if it was daytime. This was really a night filled with fireworks to welcome the new year!
The people on Yun Mountain and at the foot of Yun Mountain hadn't stopped exclaiming since midnight. Most people didn't even blink their eyes. They were completely conquered by the beauty of the fireworks!
However, tonight's fireworks lasted longer than expected. Fifteen minutes, thirty minutes, forty-five minutes, forty-five minutes. The clock chimed at one o 'clock, but the fireworks on Yun Mountain didn't seem to have any intention of stopping. This made everyone exclaim in satisfaction, but at the same time, they were lamenting because their necks hurt from looking up!
In the end, many people simply got some hay, laid it on the ground, and lay down on their backs. The rich kids or rich old masters got people to get cushions or blankets and laid them on the roof of the horse carriage. This way, they could enjoy the fireworks in the sky and save time and effort!
As for Li Zexuan, after watching the fireworks for fifteen minutes, he took his wife and Old Li's family to the top floor of the left tower of Guanghua Tower. Oh, to be precise, it was Li Er who took him there, because the tenth floor of the left tower was Li Er's office. Only Li Er had the key. However, Old Li had never been here before. Today was his first time here!
After entering the "dean's office", they sat on the sofa. Through the large floor-to-ceiling window, they could see the fireworks above the sports field while lying down. It was extremely comfortable!
At midnight, all the fireworks were released. Li Er stretched. He was very satisfied with this New Year's Eve. It could even be said that this was the most satisfying New Year's Eve in his life!
Old Li was satisfied. Of course, he had to reward his subjects. He stood up and said to Li Zexuan, "Tomorrow, oh, no, it's today. Today is the imperial court meeting. I temporarily lift the ban on you. Remember to attend on time. If you're late or absent, humph!"
After that, he left with Changle, Zhangsun, Li Chengqian, and the others, leaving behind a dumbfounded Li Zexuan!
"Damn! Damn God! What did I do wrong? Why are you punishing me like this? "
After a long time, Li Zexuan pointed at the sky and cursed.
He wanted to stay up for the New Year tonight. Tomorrow morning, he still wanted to sleep in? And attend the imperial court meeting? Participate my ass ~!
Yes, Old Li thought it was a reward, but Little Li thought it was a punishment!
…
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