- A Brooklyn startup’s launch of “OpenBCI.com” is creating a namespace clash with the earlier open-source OpenEEG/OpenBCI projects; participants cite 2014–2015 Hacker News threads documenting the tension.  
- The 2004 POSaM ink-jet microarrayer/oligo synthesizer (open hardware, NCBI PMC507883) is re-surfaced as a still-relevant DIY DNA oligo synthesis platform, with kanzure’s synthesis notes wiki offered as a practical resource.  
- Matt Keeter’s 2013 MIT thesis on hierarchical F-rep kernels for digital fabrication is linked; debate centers on whether CadQuery should next wrap the heavier PythonOCC or the lighter Verbnurbs library.  
- Mach30’s “Yavin Thruster” open-source cold-gas thruster project is showcased, accompanied by a YouTube demo of parametric CAD and engineering analysis, while participants warn about ITAR/EAR export-control pitfalls for open rocketry.  
- Disney Research’s new smart-watch prototype that identifies every touched object via electromagnetic signatures is circulated (Ars Technica coverage).  
- A Medium tutorial demonstrates playing Pac-Man with Python + OpenCV hand-gesture control, illustrating low-cost computer-vision interfaces.  
- A former ArXiv staffer claims each paper costs ~$5 to host, sparking debate on sustainable open-access funding models.  
- PLOS Medicine’s 2005 paper “Why Most Published Research Findings Are False” is shared, prompting discussion on reputation-based incentives and the relative merits of blogs versus journals for disseminating reproducible science.