- Participants shared a pressure-vessel wall-thickness calculator (http://checalc.com/calc/vesselThick.html) and discussed applying standard formulas to determine whether inexpensive eBay stainless-steel tubing with tri-clamp fittings can safely serve as a DIY vacuum chamber.  
- nmz787_ recommended low-cost custom glassware from AliExpress vendors as a viable route for home-built vacuum or chemistry setups, reporting successful past orders.  
- Jason Wright’s 2016 SETI talk “Frontiers in Artifact SETI: Waste Heat, Alien Megastructures & Tabby’s Star” was linked on YouTube and fully transcribed at http://diyhpl.us/diyhpluswiki/transcripts/seti-megastructures-jason-wright-2016/.  
- The group criticized SETI’s 30-year focus on narrow-band radio signals and welcomed the renewed attention on artifact-based searches sparked by the anomalous light-curve of “Tabby’s Star” (KIC 8462852).  
- A new arXiv paper (1607.08818) describing opportunistic SETI observations with the Murchison Widefield Array was circulated as evidence of expanding search modalities beyond traditional radio techniques.  
- Megastructures were framed as practical infrastructure for transhumanist ambitions, with the “matrioshka brain” cited as a long-term coordination target for macro-scale engineering efforts.