Shock! at the Age of Eighteen, I Became the Strongest Academician

[Sweet writing + technology + patriotism + the female protagonist is the strongest! Shen Yian, who finally returned after traveling for more than a thousand years, opened his eyes and found that he was back in his first life before he died. He immediately dropped everything to save his parents who had just had an accident, resulting in unsatisfactory test results. But she was not worried at all, because the endless space that accompanied her through the journey came back, containing the treasures that Shen Yian had collected in countless worlds for more than a thousand years. Gold and silver jewelry, top-grade elixirs, advanced black technology, etc., All came back with her. It doesn't matter if the school is ordinary, these are worthless in the face of absolute strength. Other people's universities: attending classes, falling in love, and part-time jobs.. Shen Yi'an's university: researching photovoltaic cells, lithography machines, rescue robots, stealth combat suits... Chinese Academy of Sciences: Teacher Shen, look at this small modular nuclear fusion... Don't worry, after doing his thing, do yours! When Shen Yi'an got the title of the strongest academician and brought the country to the top of the world's science and technology, he suddenly realized that he hadn't graduated yet and was only eighteen years old... Other countries: I want to report! This person and this country is cheating! We are all going to travel the universe. Are you telling me this?