- Suzanne Gildert’s 2010 proposal to build superconducting adiabatic quantum-optimizer (AQO) or 3-D non-von-Neumann superconducting neural-net chips was recalled; the idea leverages superconductors’ uniform temperature and low heat dissipation to enable very large neural networks for AGI.  
- A debate arose over whether superconductors are “the same temperature everywhere”; it was clarified that superconductivity is governed by a critical surface of temperature, magnetic field, and current density (Ginzburg–Landau parameter κ = λ/ξ).  
- Participants suggested creating a research field dedicated to resurrecting decades-old, now-patent-expired inventions—illustrated by Marvin Minsky’s 1957 confocal microscope patent that took 20 years to become a lab staple.  
- The channel discussed why iron sits at the nuclear binding-energy maximum; the explanation was framed as a quantum-level “packing density” problem analogous to electron orbital filling, with links to interactive visualizations (Falstad quantum-atom simulator) and a ChatGPT-4 conversation log.  
- A scrape of the extropy-chat mailing-list archives (2007-era) was initiated after noticing off-by-one post-ID errors in the public Pipermail mirrors; an existing partial scrape (2003 and earlier) at diyhpl.us/~bryan/irc/extropians/ was noted.  
- A concise system-prompt template for ChatGPT was shared to reduce verbosity and unwanted code rewrites, along with a pointer to the open-source chatGPT-shell-cli tool for terminal use.