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Don't do it. Seriously.
What happens if you go back in time and kill your grandfather?
Would you disappear… or would the universe somehow stop you?
This is the famous grandfather paradox — one of the biggest problems in time travel.
In this video, we explore:
Can time travel actually exist?
What do wormholes have to do with it?
What are closed timelike curves?
And why physics might prevent paradoxes from happening
From Einstein’s theories to modern quantum physics, reality might be stranger than you think.
