The Anthropic Principle

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The details of quantum gravity don't really affect how a large massive object in a quantum superposition would gravitate. We can measure the gravitational field of things with Avogadro's numbers of particles, macroscopic things, measuring grams or more. But that's never going to keep something free from decoherence and collapsing its wave function. To actually have a macroscopically large self-gravitating system being a superposition of being in two different places is very, very difficult to even imagine doing any time in the foreseeable future.

Welcome to the July 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.

We're experimenting with a new benefit for Patreon supporters: short video (or audio-only) reflections by me on the podcast that just happened. If you've been wondering whether to join up, this could be the time.

Blog post with questions and transcript: https://www.preposterousuniverse.com/podcast/2023/07/03/ama-july-2023/

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