The concept of time travel is a popular subject in science fiction, but there is no scientific evidence or widely accepted theory that demonstrates the possibility of practical time travel.
In the realm of theoretical physics, there are some discussions about the potential for time travel within the framework of certain models, such as general relativity and quantum mechanics. For instance, solutions like "wormholes" or "closed timelike curves" have been explored in theoretical physics, but their feasibility and the practical implications are still under debate.
In hypothetical scenarios where time travel is considered, there are different theories and concepts regarding what might happen to a person once the trip is over. These ideas vary depending on the specific theoretical framework and the assumptions made.
Some theories propose that if time travel were possible, a person might return to their original timeline or dimension after the journey. However, alternative theories suggest that traveling through time could result in branching timelines or parallel universes, where the traveler enters a new timeline that is distinct from their original one. In such cases, the traveler would not be stuck but would instead exist in a new timeline or dimension.
It is important to note that these are speculative ideas and are not currently supported by empirical evidence. The scientific community continues to explore the nature of time and the possibilities of time travel, but until concrete evidence or a widely accepted theory emerges, time travel remains speculative and confined to the realm of imagination and fiction.