13 Time Travel Paradoxes Explained With Examples
Time travel paradoxes—also called temporal paradoxes—appear when hypothetical travel into the past creates contradictions, closed causal loops, or events with no ordinary origin. The most widely discussed examples are the grandfather paradox, bootstrap paradox, predestination paradox, and Polchinski’s billiard-ball paradox. This list explains those famous cases plus several fiction-friendly variants writers use to test cause…









