Becoming Emperor at the End of Qin Dynasty

Xiao Ming, a doctoral student in materials science at Tsinghua University, accidentally traveled to the troubled times of the late Qin Dynasty in 209 BC. Both parents are dead, leaving only eight-year-old sister Xiao Yu and six-year-old brother Xiao Yun to depend on each other. The only modern item he carries with him is a tablet computer that stores a large amount of academic literature and is charged by solar energy - no drawings, no instructions, only the purest subject knowledge. Starting from his exile on the banks of the Weishui River, the first lesson Xiao Ming faced was not how to dominate the world, but how to let three people survive tomorrow in troubled times. When bark and grass roots became a staple food, and when the sound of bandits' hooves became a nightmare, he gradually understood that in this era when human life is as trivial as insignificant, knowledge is the most luxurious weapon and the heaviest responsibility.