- A deep technical discussion explored how to compute a provably-correct minimal circle that must contain the true intersection of two noisy geometric lines, with juri_ reporting that naive error-propagation fails in ~1/30 cases and that the error grows non-linearly with the sine of the intersection angle.  
- The conversation pivoted to using projective geometric algebra (PGA) as the underlying representation—lines encoded as (X,Y,T) and points as (X,Y,S)—and muurkha pointed to his 2014 interval-arithmetic code and the SIGGRAPH 2019 PGA course notes (arXiv:2002.04509) as potential foundations for tighter, provable error bounds.  
- Links shared included a 53-minute VPRO documentary on ASML’s extreme-UV lithography monopoly, the public PS5 4.03 kernel exploit on GitHub, and the arXiv paper “Protein structure generation via folding diffusion” (2209.15611).  
- A short side-thread reviewed metal seed-plate fire-resistance tests for long-term Bitcoin key backup (YouTube: “A Treatise on Metal Bitcoin Seed Storage Design”).  
- kanzure circulated Patrick Collison’s curated list of “fast” technological accomplishments (patrickcollison.com/fast) and David Wood’s attempt to re-brand transhumanism under the new “Future Surge” initiative (futuresurge.org).