Grandfather Paradox

The Grandfather Paradox is a thought experiment about time travel. It suggests that if someone travels back in time and prevents their grandfather from having children, they would never be born. But if they aren’t born, they couldn't have traveled back in time in the first place. This creates a logical inconsistency, raising questions about whether altering the past is possible without causing contradictions. The paradox highlights challenges in understanding how time travel might work within the rules of causality and physics.