The Limits of Gravity

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The holographic principle is the idea that not all points in space are independent from each other. Once you know there's gravity, once you know there are black holes, okay? That's kind of a new limit on how much you can do in any one region of space time. As in quantum field theory, we talk about an ultraviolet cut off. We say at very, very short distances, we don't know what's going on.

Welcome to the May 2023 Ask Me Anything episode of Mindscape! These monthly excursions are funded by Patreon supporters (who are also the ones asking the questions). We take questions asked by Patreons, whittle them down to a more manageable number — based primarily on whether I have anything interesting to say about them, not whether the questions themselves are good — and sometimes group them together if they are about a similar topic. Enjoy!

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