The Importance of Quantum Gravity in the Early Universe

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Nanograv is like all other currently available windows on gravitational waves, very, very deep into the classical regime. You're not looking at gravitational waves made by single atoms,. But there's a couple of caveats there that might be relevant. And you can imagine detecting something that you might call the echo of the Big Bang but it's only a poetic kind of phrase. If we did, it would be indirect evidence. It would not be immediately very useful, but it would be a clue to something and that would be very exciting indeed.

Welcome to the August 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!

Blog post with questions and transcript: https://www.preposterousuniverse.com/podcast/2023/08/07/ama-august-2023/

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