- A member shared the PDF “Fabrication of Multi-Electrode Array Devices for Electrophysiological Monitoring of In-Vitro Cell Tissue Cultures,” highlighting open-source approaches to building high-density electrophysiology hardware.  
- Discussion centered on constructing a low-cost LED-based maskless photolithography system for micro-fabrication; participants debated component lists, UV-LED sources, and optical-path design.  
- Clean-room requirements for photolithography were analyzed: participants referenced Make magazine DIY clean-room builds, HEPA-filter air-purifier selection, and Instructables guides to achieve ISO-class conditions on a sub-$1 k budget.  
- A side thread explored chemical synthesis infrastructure—links to “perchlorate cell” and “chlorate cell” designs were offered as examples of open-source equipment for producing reagents needed in micro-fabrication.  
- The feasibility of a semi-self-sufficient lab powered by solar panels and closed-loop water recycling was proposed to reduce operating costs for rural or off-grid biohacker spaces.  
- Practical constraints such as parental approval, space allocation, and the trade-off between immediate prototyping versus securing a dedicated facility were weighed by the Alabama-based participant.