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Philosophy

The Philosophy of Time Travel and Causal Loops

Quick fact

A causal loop has no beginning and no end—it's a self-contained chain of cause and effect where information or objects are never created, only recycled.

Why this is interesting

You've probably seen movies where a hero goes back in time to stop a disaster—but what if the disaster was caused by that very act? The idea of causal loops makes time travel suddenly philosophical, asking: can an event cause itself?