Due to unknown reasons, the sophon and the two-dimensional solar system from the Three-Body Plane traversed through different planes and arrived at the Earth Plane in 1981, merging with the consciousness space of the main character, Wang Jiankun. With the assistance of the super artificial intelligence sophon and its capability to create a three-dimensional map of the objects it interacts with and manipulate the motion of certain elements of those objects, the protagonist enhances the productivity and technology of the current plane. He guides the Earth civilization of this plane towards advancement, leading humanity into the sea of stars and enabling immigration throughout the entire universe. Novel keywords: Development of productivity from 1981 without pop-up window, Development of productivity from 1981 txt full download, Development of productivity from 1981 latest chapter reading.