Technical Dimensionality Reduction: I Help the First Emperor Unify the World

Lin Heng, 30 years old, a national major project engineer and historical military enthusiast, was reborn as the son of a low-level general "gongshi" with a title on the border of Qin State. The collision between advanced knowledge systems and backward times; the conflict between personal ideals and the iron laws of empire; the balance between changing history and maintaining the general trend of history.