It’s really lost!
Professor Tang is knowledgeable, but he also feels a little dizzy at this moment.
"Professor Tang, please take a look at this file. What is it?" Wang Liang pointed out a path.
Professor Tang just glanced at it and said, "The experimental data during this period was encrypted. Is this the file that was lost?"
"Yes, that's it. This file shows signs of having been copied in its entirety," said Wang Liang.
"Sure enough." Professor Tang held the table and nodded slightly.
"What encryption method is used?" Wang Liang looked at the folder and did not act rashly.
"It's a professional software, this is it, take a look." Professor Tang has discovered that Wang Liang is a professional and is very cooperative with Wang Liang.
"This? I've never seen it before." Wang Liang frowned. "I can't open your file. And according to what you said, if I open this folder, the files inside will probably be destroyed. But just because I can't open it doesn't mean others can't. There are many experts who are ten thousand times better than me. After the folder is copied, it's useless to lock it tightly."
"I understand what you mean." Professor Tang said he understood: "That's why I'm anxious."
“Why don’t you use Linux on your computer?”
"All the computers in the lab are not connected to the Internet and are physically isolated, so the system is easier to use."
"That's right. This kind of theft method is useless no matter what system you use." Wang Liang asked, "So, how many people know the lock screen password of this computer? I didn't find any signs of intrusion. It should be someone who knew the password and entered directly."
"My five students." Professor Tang introduced them one by one. All five students have doctoral or postdoctoral degrees, and each of them has followed Professor Tang for at least three years.
There are five students, two male PhDs, one female PhD, and the rest are a male postdoctoral fellow and Ding Jianguo.
The computers in this laboratory are used to store preliminary data after each experiment. Students can also use them. Professor Tang will put the truly valuable data in an encryption software, and only he knows the password.
Bai Song listened carefully to Professor Tang's information about the five people and said, "If these five people have been following you, then one of them must have told the password here to his friend, oh no, it should be called an accomplice, and then came in to steal."
"That's true, but the problem is, if it's related to my students, there's no need to steal the data," Professor Tang was puzzled. "Most of the students know about these experimental data. Although each of them only knows a part of it, it's not as confidential as you think. We discuss it every day."
"But these data cannot be remembered by the brain, right?" Bai Song asked back.
"Yes." Professor Tang glanced at the computer and said, "I can't remember everything."
Experimental data is not just a result, it includes the details of the entire reaction changes from beginning to end. It is completely impossible to memorize all of them.
"That's it. This shows that it is still worth stealing." Bai Song asked, "I'm not targeting anyone. Among your five students, are there any who think highly of themselves but come from ordinary families?"
"None of them are particularly poor. I even pay them wages." Professor Tang shook his head. "None of them think highly of themselves. I have examined these people. I would not hire someone like you."
"This is weird." Bai Song scratched his head: "So the data was lost by itself?"
"Let me check the video footage at the lab exit first." Wang Liang said, "Although there are no surveillance cameras in the lab, there are quite a lot of surveillance cameras in this building."
"There are blind spots in the surveillance in this building," Professor Tang said. "There are many cameras and they are quite old. Some of them break down easily and people often have to repair them. Although I don't care much about surveillance, if someone really comes here with a purpose to steal, I will definitely take precautions."
"Wait, let me ask again, are there any of your students who need a lot of money recently? Or have just started dating?" Bai Song asked without giving up. He always felt that in this matter, from any angle, money was the most basic motive for committing the crime.
"The only one she's dating is Ding Jianguo. I don't know how she's doing with your friend, and I haven't asked."
"Well, that can't possibly require money." Bai Song shook his head.
The situation of Ke Xue Wang is really miserable. All five of them are at least 26 or 27 years old, and they are all single. Bai Song doesn’t even know whether Ding Jianguo is single now. Wang Huadong is still slow to act.
…
"Even if it may have an impact, call all your five students over." Several people tried several methods. Wang Liang went to check the surveillance, and Liu Shuyuan began to investigate the scene.
On-site investigation is also a basic skill. There is nothing to investigate in this laboratory because there are shoe covers and the like for entry and exit, but we still need to take a careful look.
"Why did you ask my students to come here?" Professor Tang and Bai Song asked separately.
"Chat." Bai Song said, "Let them hand over their phones to me, and then you guys can continue chatting about this topic."
"I'm not in the mood to talk about this right now." Professor Tang shook his head.
"You are not in the mood to chat. If someone stole it, they would definitely not be in the mood to chat either." Bai Song said with a smile.
Professor Tang glanced at Bai Song and took a deep breath. Although he was reluctant to doubt his student, he knew that this was the best way.
After finding a classroom with surveillance cameras, Professor Tang called all the students over and began to discuss yesterday's experimental results and continue to arrange tomorrow's experiments.
Unlike usual, Professor Tang is very satisfied with the recent experimental results. He excitedly talked about the huge impact these experimental results may have. Judging from this state, in a few years, Old Tang will be nominated for the Nobel Prize in Physics.
Bai Song saw very clearly from the surveillance video that there was something obviously wrong with one of the boys' expressions, and his surprise did not come from within at all.
After watching for more than ten minutes, Bai Song sent a WeChat message to Professor Tang, indicating that he could make some sarcastic remarks.
Professor Tang was talking in an exaggerated manner, but then he changed the subject and became serious again.
It must be verified through continued experiments, otherwise it cannot be proven to be effective.
At this time, the male doctor's condition recovered a little.
Several students were confused by what was being said. They had not yet fully grasped some of the things here. They had just heard the instructor bragging about it and felt very proud. They thought that for this seemingly simple project, anyone here would have no problem writing three or five papers. Why did the situation change suddenly?
That is, Ding Jianguo, who seemed a little thoughtful, but did not say anything.
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