- A Twitter thread was shared suggesting that historical eunuchs experienced measurable life-extension, prompting discussion on hormonal influences on longevity.  
- SpaceX’s Starship orbital test flight dominated the day: participants linked livestreams, shared real-time telemetry commentary, and posted slow-motion ignition footage and satellite timelapse imagery.  
- Debate on alternative launch architectures included proposals for rocket-sled launch (“mag-lev slides”), particle-bed-heated hydrogen guns, and momentum-exchange tethers to cut the ~90 % energy budget now spent on the orbital burn.  
- A new Wiley paper on triangular macrocycles that self-assemble into atomically precise, size-selective membranes was circulated as a potential tool for molecular sieving and nanofiltration.  
- The Science paper “Top-down design of protein architectures with reinforcement learning” was highlighted as a milestone in AI-directed protein engineering.  
- Hackaday coverage of MRI resolution advancing from millimeters to microns was shared, with skepticism voiced that the technique may simply be light-sheet microscopy rebranded.  
- Neuralink’s microCT-based 2-D/3-D imaging workflow for non-destructive debugging of fully sealed implant devices was showcased via a tweeted demo video.  
- A fresh transcript of Austin Bitcoin Developers Socratic Seminar 39 was committed to the diyhpluswiki archive, continuing the channel’s practice of preserving open technical discussions.