Inventing Things in Ancient Times

Fang Yuan transmigrated to ancient times, where people couldn't get enough to eat or warm clothes to wear, and countless beautiful women without a home were waiting for someone to care for them! All he did was use math, physics, and chemistry to make sure everyone around him could eat meat and wear padded coats, crush their foreign enemies, and give every beautiful woman a safe home. So how did the imperial robe end up on his shoulders? You... have truly made things hard for “Your Majesty”!