If you travel back in time and meet your past self, what paradox could occur if you change something significant?
Category: Brain · Difficulty: hard
Hint: Consider the implications of changing past events on your existence.
Answer
The grandfather paradox
Explanation
The grandfather paradox describes a situation where a time traveler prevents their own existence by changing past events.
This is a hard brain riddle — a tricky one that takes a little thought. The answer is The grandfather paradox.
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