[No system + hard core technology + Machiavellian game + historical suspense]
Zhao Yan, a doctor of mathematics, crosses over into the person of Zhu Gaoxu, the second son of Emperor Yongle. He holds the "Secret Edict of Suspended Death" at the beginning, but smells a conspiracy——
According to historical records, Zhu Di died of illness in Yumuchuan, but the gunpowder stock in the military camp tripled. Emperor Yongle, who was described as "seriously ill" by his confidants, secretly improved the gunpowder blueprints?
Zhao Yan sneered: "Dad, if you pretend to be dead to fish, I will blow up a fish pond for you!"
While using calculus to reconstruct the household tax system, he used chemical formulas to mass-produce gunpowder, and even used a prototype of a hand-rolled steam engine from "Tiangong Kaiwu".
However, before the throne was firmly seated, an urgent report came from Mobei: the Wala cavalry held flintlock guns and shouted in front of the battle: "Your Highness, King of Han, does this gun look familiar?"