May 22, 2023, 10:59 PM IST
The grandfather paradox is a classic time travel conundrum. It poses the question of what would happen if you were to travel back in time and kill your own grandfather before he had children, thus preventing your own existence.
A situation in which an object or information exists without having been created. It occurs when an item is brought back from the future and becomes the basis for its own creation.
A time loop is a recurring sequence of events that repeats itself indefinitely. It occurs when an individual or a group of people are trapped in a specific period of time, forced to relive the same events repeatedly.
The concept of altering the past through time travel raises numerous mysteries. If one were to change the past, would the present and future be rewritten accordingly?
When a person travels back in time, their existence in the past raises questions about their identity. Would they encounter their past selves? How would their presence in the past affect their own timeline?
A closed time loop occurs when an event in the past is caused by its own future consequences. It creates a self-reinforcing cycle in which the cause and effect are one and the same.
Time travel raises ethical dilemmas and moral questions. Is it morally acceptable to alter the past or intervene in historical events? What are the potential consequences for future generations?