Can a black hole tear a hole in the fabric of reality itself? Tonight, a slow journey from the death of a massive star, through the event horizon and the crushing pull of spacetime, down to the strange question physics still hasn't fully answered — what actually happens at the center. Along the way: string theory, loop quantum gravity, Hawking radiation, and the impossibly distant future when even black holes fade away. Some of this is settled science. Some is still genuinely unresolved — the script tells you which is which. Perfect for falling asleep to. No adverts.

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