Su Yuansheng felt that it was not enough to treat his wife Cheng Fei's depression. He also had to cure Gu Cheng's injured head. His wife Cheng Fei would not secretly help Gu Cheng because of guilt or other things, and the relationship between him and her would no longer be in a discord because of Gu Cheng.

"You have thought it through very thoroughly." Meng Gui quickly guessed the significance of Su Yuansheng's second medicine.

"In addition, I have combined them together to meet your needs." Su Yuansheng took Meng Gui into a room inside, mysteriously opened a hidden safe in the wall, took out two metal balls the size of billiards and took them to Meng Gui.

"This is..." Meng Gui looked at the two balls with some confusion.

"I have made a great success in my life and have not yet officially put into the market. The nuclear-powered small robot has a very complete function and covers all the functions required by your things." Su Yuansheng said and threw the ball upwards.

The ball did not land, but extended two extremely thin wings from both sides, hovering in the air like a hummingbird. A small hole was exposed on it and a beam of blue light was shot out to scan Meng Gui. Under Su Yuansheng's operation, Meng Gui's identity, voice and other information were confirmed.

"The wings are not real wings, but the levitation force generated by directional magnetization of the surrounding air to maintain its flight... The specific operation method is like this, I will demonstrate it all to you..." Su Yuansheng explained to Meng Gui in detail.

After learning to control the operation of this ball, Meng Gui couldn't help but be surprised. Having these two ball robots by his side should be of great help to him complete the rescue mission. Everything is indeed as Su Yuansheng said, and the functions of this thing have covered all the content he asked Su Yuansheng before, and it is far beyond his original expectations.

After all, it is 2044 now, the era of quantum computers and nuclear batteries, and mankind has completed another scientific and technological revolution.

"How long can it last if it is not charged?" Meng Gui confirmed to Su Yuansheng.

"The nuclear energy battery has now been miniaturized. It contains three miniature nuclear energy batteries, which are enough to drive it to run continuously for a whole hundred years without any problem. When you don't need it, you can also let it go to a dormant state and set the time when it is automatically awakened..." Su Yuansheng said to Meng Gui proudly.

"That's good, well. Almost all the things I have prepared for you are in place. Now there is one last thing. If I can go back to the past and see you when I was young, how can I convince you most effectively so that you don't think I'm ridiculous and willing to cooperate with what I did?" Meng Gui asked Su Yuansheng a very critical question.

"It would be a very troublesome thing to switch to others, but it is an extremely easy thing for me. I wanted to tell you last time. But when I thought about it, you had already left..." Su Yuansheng said to Meng Gui.

"Oh? Let's hear it."

"That's right. I've been a person who is very interested in the theories of the universe, everything, time and space since I was a child. I have always believed that people can travel through time and space, from the past to the future, and then from the future to the past. I even set a password for this when I was nine years old..."

"A password that only I know is, I have been fantasizing that my future self may have found a way to travel through time and space, and can go back to the past to help my past self, just like in the Terminator movie. But in order to confirm whether the person who comes back from the future is really kind-hearted, rather than maliciously trying to use me or kill me, I have always kept this password deep in my heart and never told anyone. Only those who have confirmed this password in front of me will believe that he has really traveled back from the future to help me."

"I have not been able to complete the theory of time and space travel until now, but I didn't expect to meet you who can travel in time and space. If you can take that password and find the past who is still full of fantasy about the future, you will definitely be able to convince me to perform everything you want me to do according to your plan." Su Yuansheng explained to Meng Gui.

"Then tell me the password." Meng Gui immediately told Su Yuansheng after he understood it. He didn't want to be teleported back before he got the password.

"Just in the supercomputer I gave you, you can see it on the desktop. It is a combination of letters and numbers. I can tell you it, but you definitely can't remember it." Su Yuansheng and Meng Gui said.

"Is this the case?" Meng Gui opened the crystal computer and asked Su Yuansheng.

"Well, that's it." Su Yuansheng nodded to Meng Gui.

Although it was recorded in a crystal computer, Meng Gui still tried hard to record the string of meaningless letters and numbers. Because he was not sure whether this thing would be lost during the shuttle time and space, or the items that the system judged were inconsistent with the times were erased.

Fortunately, Meng Gui's memory has always been very good. After memorizing it a few times and using the associative memory method, he quickly remembered the string of letters and numbers in his mind.

"There is another letter here. If you can bring it back, please hand it in my hands. I can recognize my handwriting. If I want to change my tragic life, I think no one can convince myself better than myself." Su Yuansheng took out a thick paper letter and handed it to Meng Gui solemnly.

The past that Meng Gui traveled through is likely to be a storage medium that does not have a U disk or something, and paper letters will be more reliable. Moreover, this is a special paper made of high-tech and will not be easily damaged.

In addition, handwritten words are the best evidence to convince himself. Su Yuansheng had decades of trying to plan these things, and of course he would consider them more fully and comprehensively than Meng Gui.

"This is indeed a good idea." Meng Gui put away the letter.

"There are some theoretical and technological knowledge I urgently needed in the computer you have at that time, which is only a little ahead of that era. It is a treasure that is more precious than diamonds and gold. To bring it to me at that time, I believe that not only my wife and daughter, but also Diqing Technology will be reborn." Su Yuansheng reminded Meng Gui again.

"I'll turn it into your hands."

"When will you leave?" Su Yuansheng asked Meng Gui.

"I'm not sure about this. It may be in a few seconds or in a few hours, there may be no rules for my time and space travel." Meng Gui shook his head.

"Last time I wanted to ask you... If you don't have any other important things now, why don't we talk about your time and space travel. Maybe I can help you find some rules and then find the technology you use for traveling through time..." Su Yuansheng asked Meng Gui with anticipation.

"Do you know the upper realm? Do you know the cracks in the realm? Do you know the human realm and ghost realm? Do you know the fierce ghost clone bound to the system?" Meng Gui raised a lot of questions to Su Yuansheng.

Su Yuansheng looked confused...

"So, it doesn't make any sense to tell you about this. The world I'm experiencing and the world you're living in may not use the same rules. You can use the technology in your hands to define many things, but you can't define my life and everything I'm experiencing." Meng Gui shook his head.

Just when Su Yuansheng wanted to ask Meng Gui something again, dizziness also came again at this time.

Dark, silent.

...

1994.

In the second floor private room of a small restaurant in Huanghe City, the door was locked, and two men sat face to face at the dining table.

"I come from the future. I know that you have always had your own fantasy about the theory of time and space, and are waiting for the future you, and come to you with the password that only you know. This is actually the real reason why I come to you." Meng Gui sat in front of Su Yuansheng and talked happily.

Su Yuansheng looked at Meng Gui blankly... It was Meng Gui who said he wanted to invest in him before, so he met Meng Gui in the small private room of this coffee shop, but he really didn't expect that Meng Gui actually said this to him.

If it were someone else, he would definitely think that the other person was a crazy man, just talking crazy. Moreover, after growing up, Su Yuansheng has theoretically confirmed that time and space cannot be transmigrated, so he does not believe in what the other person said.

Until Meng Guizhen reported him the string of passwords composed of letters and numbers, and then took out a crystal that was said to be powered by a micro-nuclear battery and powered by a quantum computer chip, he became irresistibly excited.

My childhood and youthful dreams have become real!

Someone has traveled over to find him from the future!

"Listen, I don't know when I will stay here. I was entrusted by you to change the tragic life of your wife and daughter's death and your own imprisonment. So, you must listen carefully to what I said later... In addition, there is a letter from you in the future to you now." Meng Gui said and pushed a letter to Su Yuansheng.

After browsing the letter briefly, Su Yuansheng swallowed, his expression became even more excited, and even his hands trembled.

"The content of the last few pages of the letter is what I wrote to you, and it is something you must do for me. Without me from the future, there will be no future you, and without future you, you will still be a tragedy now. This cause and effect cannot be destroyed. Do you understand?" Meng Gui confirmed to Su Yuansheng seriously.
Chapter completed!