After Rebirth, I Invented Super-Light Communication

In the 3rd year of the FTL era, the FTL communication test was successful. However, super-light speed itself destroys the causal rate, and the universe becomes fragile. At that unknown moment, the universe shattered like a mirror. I don't know how many years later, the universe came back to life. Although the new universe still has causal limitations on superluminal speed, at least it will not become more fragile. One day, after completing the task in the practical class, Dong Huaian accidentally made a device capable of super-light communication. What does superluminal communication mean? It means being able to send information to the past! Director of Lottery Center: Wrong? 110? Found a time traveler "What's the use of talking so much?" Tell me the winning lottery numbers! "What does it mean that the director of the lottery center can catch time travellers?" "I don't eat beef!" … The early stage is more urban + some science fiction settings, and the later stage will gradually transition to science fiction. It's not soft science fiction or hard science fiction, it's mainly story-based. Note: The full text of this article was typed randomly on the keyboard by a monkey at home.