Science Fiction Began in Da Qin, Time and Space

Does time and space have multiple attributes? When time encounters different spaces, when the same space encounters different times, planets meet planets, galaxies meet galaxies, and the universe collides with the universe... Here is the interpretation of the integration of time and space. The rapid development from a low starting point from the Qin Dynasty. This is a story of modern people traveling through ancient times and changing the lives and knowledge of ancients. I write slowly, you read slowly, don't be anxious, go out in a hurry, turn left and right, time and space are so big, in addition to encounters, there is also parting...