How to Build a Nuclear Weapon in Ancient Times

The original blurb was for The Male Lead of the Starting Point, Who Doesn't Keep to Virtue, but I chose the wrong category and couldn't change it, so I took one of its ancient-world arcs and made it a standalone story. Blurb to be revised, main plot unchanged. Jiang Chongshui is an outstanding employee of the Space-Time Infrastructure Bureau, responsible for raising the technological level of ancient-world planes. Until the day she took up her post, her System rolled into a Beloved Consort System. [Mission: Rise from the Cold Palace] Easy. At midnight, a phoenix flies through the sky, and an artificially created auspicious omen makes her famous throughout the six palaces. [Mission: More children, more blessings] Got it. Introduce postpartum care across the nation and use science to improve women's lives. [Mission: Become the Mother of All Under Heaven] Simple. Win the emperor's favor, then seize the throne. Hand over that ancestral throne, will you? Everyone in this harem vies for favor and schemes against one another day in, day out. The emperor is very pleased. Later, the dog emperor discovers that his beloved consorts are trying to make boom bombs by hand and send him straight to hell. Theme: Let's get some physics, chemistry, and biology in here