The Novikov Self-Consistency Principle says that if time travel is possible, then anything you do in the past will not change things in a way that makes time travel impossible. It's like a magic rule that keeps everything working just right, even if you go back in time and do something different.
Temporal manipulation refers to the theoretical possibility of altering or controlling the flow of time, a concept explored in science fiction and speculative physics. It raises questions about causality, paradoxes, and the nature of time itself, challenging our understanding of the universe.