Astrophysics professor Yu Chen encountered a magnetic storm while observing a total solar eclipse, and traveled to the outskirts of Xianyang in 247 BC with a modern knowledge base. Establish a special bond with Ying Zheng, who has not yet taken charge of the government, and gradually gain trust through solving the Weishui plague, improving agricultural tools and other incidents. From papermaking and printing to metallurgical forging, use progressive technology trees to reshape the foundation of Qin and establish a scientific research system with "Mo Yuan" as the core. In the political gap between Lu Buwei and Zhao Ji, modern management concepts were used to reconstruct the power structure of the Qin court and cultivate a new generation of technocrats. By establishing a patent system and a compulsory education system, we inject sustainable development genes on the basis of maintaining the Qin system, circumvent the laws of historical cycles, and forcefully extend the life of the Qin Dynasty for 200 years.
