Traveling through the Ming Dynasty, a child from a poor family passed the imperial examination and entered the Hongwu court
Modern mathematical, physical and chemical scientist Lin Yan (named Zhu Shitou after time travel) woke up in a farmhouse in Yanzhou, Shandong Province in the third year of Hongwu. Faced with a poor family and excessive taxes, he used basic physics knowledge to repair the leaky house and improve farm tools (such as making a model of the Quyuan plow). He initially showed "abnormalities" and aroused the suspicion of his family.
