Novice copy

Pork Ribs Calendar: pg48.

The autumn wind blows across the tree-lined avenue outside the computer room of Dongjiang University, and rows of maple trees are gradually becoming more autumnal.

"Students, roll call," the algorithm teacher picked up the sign-in sheet and called out the names according to the student numbers, "Su Wanxing."

"Here." Su Wanxing answered while playing Spider Solitaire.

The computer room of the School of Computer Science is large and spacious, and can accommodate a whole department of students at a time. Unfortunately, today is the eve of the Mid-Autumn Festival holiday, and the three-hour algorithm experiment class in the afternoon is boring and dull.

Some students were sure that the good-tempered algorithm teacher would not call their names, so they either asked their counselors for leave or skipped class directly, so the huge computer room seemed very empty.

Unfortunately, man proposes, God disposes. With only half an hour left before the end of the get out of class, the algorithm teacher suddenly did something like that.

Su Wanxing shook his head with some emotion, and suddenly heard the loud sound of birds outside the window, so he looked up.

There were several rows of birds standing on the branches of the red maple tree outside the glass window. They looked like crows, but their calls did not seem like them. The originally slightly reddish maple leaves were now covered with dark bodies, which made people's scalps numb.

One, two, three... there were four rows of people standing.

The maple trees were tall, so Su Wanxing couldn't see clearly, but one of the birds seemed to be flapping its wings, like someone taking the lead in speaking in the crowd.

I don't know what was said, the flock of birds suddenly flapped their wings, the red maple trees shook violently, a few leaves fell due to gravity, the birds' calls faded away, and only a group of black dots could be seen on the edge of the blue sky, disappearing.

"arrive--"

The response from beside her brought Su Wanxing back to her senses. She turned around and saw her deskmate Luo Ci huddled behind the computer screen, pinching her nose and answering "here" again.

Of course, it’s not over yet. Luo Ci took advantage of the time when the teacher called on the next person to quickly take off her coat, tear off her hairband, and disguised herself from a ponytail girl into a mature hot girl.

Su Wanxing: “…”

After the algorithm teacher called out the girls' names, Luo Ci took a few breaths as if he had just finished a long-distance run. "I was scared to death, but luckily I got away with it."

"Your three roommates are not here?" Su Wanxing asked. She is a day student and has no roommates. She and Luo Ci are childhood friends. They are close because they share a common interest in playing games.

"This morning, the physics experiment class ended and everyone left," Luo Ci had already picked up his phone to check the news. When he saw something interesting, he came over to share it with Su Wanxing. "Hey, look, my roommate posted on WeChat Moments: If the world ends, what can your major do about it?"

The end of the world? Su Wanxing looked out the window unconsciously.

Luo Ci talked nonstop, "Haha, the junior students of the communication major said that they can pull a network cable, and even if the doomsday comes, there will be no WiFi obstruction; my flight attendant friend said that he can help refugees with tea and water; the big guy of the philosophy department said that he can make this invalid, which made me laugh to death; and the senior of the urban and rural planning said that he would design an ideal safe house for everyone. So what can our computer science and technology major do?"

"It's too difficult. We can't even repair a computer." A classmate shrugged.

Su Wanxing lowered her eyes and took a look. Her neck, which was about to turn back, suddenly froze and she stared straight at the picture in the circle of friends.

The sky in the picture is extremely blue, but it is divided into the shape of a zebra crossing by many radiating clouds like parallel lines.

"What's wrong?" Luo Ci asked.

"These are earthquake clouds," Su Wanxing had a bad feeling in his heart, "When was this photo taken?"

Luo Ci carefully looked at the time when his roommate posted this message on WeChat Moments, "About an hour ago."

As soon as he finished speaking, a bright red earthquake warning alert suddenly popped up on Luo Ci's phone:

【Earthquake time: 16:21:28

Epicenter location: Dongjiang City, Dongjiang Province

Warning magnitude: 4.4

Countdown: 17 seconds

Warm reminder: The earthquake in this area is strong, please avoid risks appropriately]

Then, the calm voice of the AI ​​intelligent voice assistant echoed in the computer room: "Warning countdown, ten, nine, eight..."

This means that everyone’s electronic devices have received earthquake warnings issued by the Earthquake Bureau!

Su Wanxing was no exception. He looked at Luo Ci woodenly. The latter's eyes almost widened, but he seemed to have no idea about earthquakes. There was only curiosity rather than fear in his eyes.

"Squat down," Su Wanxing grabbed Luo Ci's arm and curled up under the table, "Hold your head."

The desks in the computer room of the School of Computer Science are extremely large. Except for a space under the desk for the host computer, the rest of the space is completely empty. It is no problem for one person to hide there. Even the strongest student in the class can hide there.

Su Wanxing went to school near the Nanzhou earthquake zone when he was young, and he knew how terrible earthquakes were, especially after experiencing the Nanzhou earthquake.

Although the place where she went to school was far away from the epicenter and the tremors were weaker, schools in Nanzhou, whether elementary, middle or high school, would conduct one or two earthquake drills every semester.

Even during class, when the earthquake drill bell rings, the teacher must immediately stop teaching, simulate evacuating students from the classroom, and be the last one to go downstairs.

However, Su Wanxing transferred to Dongjiang after graduating from elementary school and had never experienced an earthquake drill again, but his body instinctively responded with a conditioned reflex.

"three!"

"two!"

The sound of the warning countdown had not yet completely dissipated, and the whole world began to twist with the arrival of the earthquake waves.

"one!"

Su Wanxing first felt a slight up and down bump, and then a more violent horizontal shaking.

This is because earthquake waves are divided into transverse waves and longitudinal waves. The propagation speed of longitudinal waves is faster than that of transverse waves. Therefore, when you feel the ups and downs of longitudinal waves, the longitudinal waves are actually about to end, and what follows is the transverse wave that lasts for more than ten seconds.

If a person is lying in bed, the longitudinal waves of a 4.4 magnitude earthquake will not be very obvious. But the arrival of the transverse waves is the most frightening, which is an invisible natural force from underground, violently shaking your bed left and right.

It's like the hand of death, you never know when it will reach out.

In the computer room, the computer swayed and rubbed against the desk, the water in the transparent cup rippled, the chair moved quietly a few steps as if it had legs, and the chandelier on the ceiling seemed to have become a swing of the god of death...

Su Wanxing curled up under the table, holding his head in his hands. It was only a dozen seconds, but it felt like a painful warning that lasted dozens of minutes.

Suddenly, the earthquake waves quietly disappeared, and the snow-white wall fell at Su Wanxing's feet.

"Hahaha, look at how cowardly you are," a boy laughed, "Little Zhen doesn't need to run, but Big Zhen can't run away."

Luo Ci came out from under the table in embarrassment and agreed, "Oh, it's not that scary. Wan Xing even asked me to squat down and hold my head."

Su Wanxing obviously didn't care about the conversation between Luo Ci and the boy. She stood up and looked up along the wall that had just fallen off.

On the wall is a sticker with the name of the father of computer artificial intelligence. The Turing Award, which is regarded as the Nobel Prize in the computer industry, is named after him.

There is a slight winding crack in the lower left corner of the portrait.

Su Wanxing frowned. Would an earthquake below magnitude 5 cause the wall to crack?

Or was it that the magnitude of the earthquake warned was wrong, and what they just experienced was actually an earthquake of magnitude 5 or above?

"Wanxing! Let's go!" Luo Ci's voice came.

Su Wanxing came back to her senses. Luo Ci had already packed his schoolbag and said excitedly, "The algorithm teacher ended the get out of class early because he was afraid of aftershocks. The boys said that aftershocks are not as strong as the main shock. This is my first time experiencing an earthquake, so it doesn't feel scary."

While Luo Ci was talking nonstop, Su Wanxing packed up her bag. She saw Luo Ci, excited about the earthquake, sticking to the window, pointing at the small dots on the screen, and asking, "What is that?"

Su Wanxing looked at the scenery outside the window.

Dongjiang University is built by the sea, and the computer room of the School of Computer Science can just overlook a corner of the Dongjiang Sea.

The small dot that Luo Ci pointed to looked like part of a ship, but it was too far away, and he only vaguely felt that the ship was strange and looked odd.

It doesn't look like a ship or an aircraft carrier.

A flock of birds suddenly passed by his sight, flying in a disorderly manner. Su Wanxing couldn't help but think of the flock of birds chirping on the maple tree before the earthquake, and subconsciously asked:

"What day is it today?"

Luo Ci did not question her sudden change of heart. He picked up his phone and looked at it. "September 20th."

September 20th!

Su Wanxing's eyes lit up, and she thought of something, and looked at Luo Ci, "I have to go home first, see you after the holiday."

"Hey!" Luo Ci was confused and couldn't catch up with Su Wanxing. He had to lower his head and fiddle with his phone, muttering softly, "Okay, my roommates have all gone home, and you've gone home too. I have to go back to the dormitory by myself. Hey? My broken phone, why is there no signal?"

Su Wanxing rushed to the door of the computer room, got on his bicycle, and was one step ahead of the algorithm teacher.

Su Wanxing's home is quite unique, and Luo Ci has only been there once. But Luo Ci thought her home was too hard to find and it was very remote, so she was too lazy to come.

The bicycle stopped in front of a dense coniferous forest. Su Wanxing took out his mobile phone and scanned for a moment. The dense forest emitted a faint light blue light, and a two-story duplex villa was looming.

Su Wanxing pushed her bicycle through the trees easily, as if the forest was just a virtual fantasy.

In fact, it is true. This is a holographic projection forest that looks just like the real thing to the naked eye.

The bicycles were parked casually on the lawn in front of the villa.

Su Wanxing couldn't wait to open the door, rushed into the research room on the first floor, and took out a small square box from the electronic password box. The things inside were very important.

This box was given to her by her grandfather, who raised her, when he passed away four years ago.

Grandpa, who was originally in good health, suddenly became critically ill. Before he died, he did not show any reluctance or regret. He just said with his dying breath: "I am going to find your grandma. Xingxing will have to face life alone in the future. Grandpa knows that you can still live well without us..."

Su Wanxing had already burst into tears by then. She had the courage to face life alone, but the road ahead was bleak and she could not see any hope.

And her grandfather's last words gave her a new direction, "Child, keep this box. On September 20, PG48, open it. Perhaps you will find the answer you want. Remember, one day earlier or later will not work, otherwise, all your parents' efforts will be in vain."

Su Wanxing was overwhelmed with emotion when she thought of this. She had never seen her parents since the day she was born, and all her memories of her parents came from her grandparents' stories.

But my grandparents... alas, they contracted a new disease called "half-hundred spots" four years ago and died one after another. This new disease only affects middle-aged and elderly people over 50 years old. So far, medical institutions have not found the cause and treatment of the disease.

Su Wanxing sighed again, rubbed his sore nose with his fingertips, took a deep breath again, and solemnly opened the box.

This is a very old storage box from 20 or 30 years ago. As you open it, you can feel that the plastic surface of the box has become brittle.

With a "click", the contents of the box floated to the surface.

Inside was a letter from twenty-five years ago.