Three Kingdoms: from Red Cliff to Rome

The soul of a ship engineer traveled through the Three Kingdoms, and after being driven mad by involution, he went on an overseas expedition. Use technology to reduce dimensionality to attack the Mayans, Incas, and Rome, and establish a transcontinental federation. Many years later, the armored ship returned to the Yangtze River Estuary: "Stop studying, come and learn mathematics, physics and chemistry."