- A call for a fully open, public database of all chemical reactions was highlighted via two ACS papers (10.1021/acs.jcim.1c01140 and 10.1021/jacs.1c09820), with participants lamenting that commercial tools like Reaxys remain locked behind expensive institutional paywalls.  
- The open-source RISC-V core “OpenC910” (T-Head Semi) was shared as a link, continuing the channel’s interest in open hardware IP.  
- Discussion of spaced-repetition software centered on SuperMemo and its creator Piotr Wozniak, including a 2008 Wired profile and the observation that Wozniak appears to schedule even website maintenance via his SRS system.  
- A brief debate on the limits of SRS/Anki concluded that while excellent for language learning, it should not be treated as a universal life-management tool.  
- Space-debris remediation was revisited: Lumi.space’s proposal to use ground-based lasers to de-orbit debris was noted, with skepticism about scalability.  
- SpaceX’s 72-hour coding assessment window (later clarified to 4–6 hours of actual work) was mentioned, prompting jokes about modafinil as a performance aid.  
- Hardware-wallet architecture came up; MicroPython was judged “probably okay” for the task, with a pointer to a security-oriented MicroPython-IoT library.  
- A Home Depot product page featuring interactive 360° images sparked interest in building a DIY turntable system to photograph personal inventory for 3-D reconstruction or at least 360° cataloging.