When the 985 Master of Chemistry transformed into the scapegoat of the first year of Zhenguan, Li Changan discovered that this parallel Tang Dynasty was a bit wild - Turkic craftsmen parkour on the roof, noble ladies use ledgers as weapons, and even sick princesses can use calculations to solve calculus! Faced with the unjust imprisonment of his father, the pressure of the Turkic army, and the death of the monopoly economy of the Five Surnames and Seven Hopes, he took out the ultimate romance of a man of science and engineering: using plant ash to make soap to conquer the circle of ladies, using a pickle vat to purify gunpowder to overwhelm the Turkic wolf riders, and driving a steam sailboat to drift on Suzaku Street.
