Physicists Finally Solve the Biggest Time Travel Paradox
Posted: Thu Jan 23, 2025 7:03 am
Vanderbilt University physicist Lorenzo Gavassino has presented a new explanation for the grandfather paradox, one of the most famous obstacles to time travel. According to his research, quantum mechanics can smooth out the contradictions that arise when returning to the past. The work was published in the journal Classical and Quantum Gravity (CQG).
© Gazeta.Ru
The grandfather paradox occurs when a time traveler goes back in time and kills his grandfather before his parents were born. This prevents his own birth, making the journey impossible.
Gavassino looked at the issue from the perspective of vnpay database and quantum mechanics. His research shows that when going back in time, the system’s entropy—a measure of disorder—cannot continue to increase. Instead, a parallel “entropy” line forms that connects the beginning and end of the time loop.
This approach allows us to imagine situations in which events that happened in the past can be reversible. For example, the grandfather's death can be "corrected" and the traveler's memory of his actions can be erased, thereby eliminating the contradiction.
Time travel is made possible by so-called “closed time curves” – loops predicted by general relativity. They can occur in extreme environments, such as black holes, where space and time are curved to the extreme. However, understanding how quantum particles behave in such environments requires further study of the interaction between quantum mechanics and general relativity – a question that scientists are still working on.
© Gazeta.Ru
The grandfather paradox occurs when a time traveler goes back in time and kills his grandfather before his parents were born. This prevents his own birth, making the journey impossible.
Gavassino looked at the issue from the perspective of vnpay database and quantum mechanics. His research shows that when going back in time, the system’s entropy—a measure of disorder—cannot continue to increase. Instead, a parallel “entropy” line forms that connects the beginning and end of the time loop.
This approach allows us to imagine situations in which events that happened in the past can be reversible. For example, the grandfather's death can be "corrected" and the traveler's memory of his actions can be erased, thereby eliminating the contradiction.
Time travel is made possible by so-called “closed time curves” – loops predicted by general relativity. They can occur in extreme environments, such as black holes, where space and time are curved to the extreme. However, understanding how quantum particles behave in such environments requires further study of the interaction between quantum mechanics and general relativity – a question that scientists are still working on.