The Nanogravity Announcement

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Roy Thompson talks about the Nanograv announcement on gravitational waves. He says it's very, very likely they have actually seen this background of gravitational waves. The amplitude is lower when the black holes are moving more slowly and their wavelengths are different so LIGO can't see them. Roy: At some point, there'd be no point in doing the ads.

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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