This is not exactly on the topic of USHGA.aero, but it is related.
A friend recently let me know about Rick's work on substack.com. Here's the direct link:
https://rickmasters.substack.com/
I haven't read very much of it yet, but it looks like a good place to follow Rick's writing. I did read this article (titled "Ghosts of Wind and Cloud #1") which, as usual, was extremely well written:
https://rickmasters.substack.com/p/ghosts-of-wind-and-cloud-1