Source Qi

"About 13.8 Billion years ago, the universe began to explode from a "singularity" of extremely high temperature and density. This initial inertial dynamic continues. To this day, the universe is still expanding." ——"This is the Big Bang theory generally believed by scientists," Lin Fei said slowly and leisurely. Xu Yi: "Tell me something I don't know. You've been here for almost five hundred years. Are you going to talk to me about the origin of the universe as soon as we meet?" Lin Fei: "I want to say that we are no longer in the original universe." Xu Yi rolled his eyes and said, "Thank you! Mengguren, if you hadn't told me, I wouldn't have known I had traveled through time!" Lin Fei: "We have traveled through time, but not into a parallel universe or parallel time and space." "You can think of the original universe as a balloon. We used to live inside the balloon; now we are outside the balloon." "People here are used to calling the world inside the "balloon" the "origin world" and the world outside the "balloon" the "evolution world." " Xu Yi thought thoughtfully and asked: "So they call us "Yuan Pi" because we come from the "Yuan Realm"? " Lin Fei: "..."