Zhang Xiangqian's Unified Field Theory: https://www.kdocs.cn/l/crOBGiGdbu8N?f=201 A documentary produced by a netizen: The Adventures of Guo Ke Planet: https://www.bilibili.com/video/BV16Z421y782/? About the author: Zhang Xiangqian, born in Lujiang County, Anhui Province, China, male, farmer, junior high school level, born in 1967. In the summer of 1985, he contacted extraterrestrial civilizations and obtained from them the essential mysteries of the universe, time, space, mass, electric charge, field, speed of light, momentum, energy, force, and motion. The grand unified equation of the universe is obtained, the four forces of the universe are written in one equation, and the core secret of the universe, the unified field theory, the space information field theory of the universe, the secret of the speed of light flying saucer, and the artificial field scanning technology are obtained. He now lives in Erlongxin Street, Tongda Town, Lujiang County. He makes a living by welding and repairing bicycles. In his spare time, he researches and propagandizes unified field theory and artificial field scanning technology.