- A lightweight, interactive battery-usage visualization was prototyped using D3.js instead of heavier tools like Grafana or R/ggplot2; the D3 Graph Gallery’s line chart with brush-zoom was recommended as a starting point.  
- Discussion of open-source Linux phones compared the Fxtec Pro1-X and Planet Computer devices; Purism was praised for upstreaming drivers, though skepticism was voiced about vendors’ long-term commitment to mainline kernel support.  
- The “dipole drive”—a propellant-less electric space-propulsion concept that uses ambient solar-wind plasma—was shared as an alternative to the controversial EM-drive.  
- DIY chemistry and bioengineering regulations were debated; Oregon was cited as a permissive jurisdiction where most chemistry or GMO work is legal on private property unless products are sold or leave the premises.  
- A 2019 Lab on a Chip paper on “self-sufficient, low-cost microfluidic pumps utilising reinforced balloons” was linked; participants questioned whether simple compressed-air reservoirs (e.g., car tires) might already solve the same problem more effectively.