• A short paper on tDCS safety limits was circulated, and participants noted the near-absence of literature on pulsed tDCS above 1 kHz; they proposed a low-complexity “current-steering” approach using time-division-multiplexed multi-electrode arrays instead of high-density computational modeling.  
• Open-hardware tDCS designs evolved from 9 V battery + trimmer circuits to LM334 constant-current sources with JFET regulation and 2-minute soft-ramp control; round sponge electrodes and the brmlab.cz brain-hacking wiki were recommended as practical references.  
• DNA-sequencing costs are dropping faster than storage costs; the $15 K “quip” FASTQ compressor (https://github.com/dcjones/quip) was highlighted as the current best solution for genomic data compression.  
• A $100 k Brain Preservation Prize for verified plastination-based brain preservation is in the testing phase but still needs ~$25–50 k in funding to complete.  
• Cryobiology data showed that golden hamsters, juvenile red-eared sliders, rabbits and galagos can survive having 50–70 % of their body water turned to ice and fully revive on thawing, whereas goldfish tolerate only 5 % DMSO and succumb to any intracellular ice formation.  
• Participants debated DIYbio’s risk profile, arguing that the FBI monitors established community labs more than lone individuals, and shared mainstream press coverage of Manchester Metropolitan University’s public DIYbio lab and Lancaster University’s open-source health-monitoring work with the homeless.  
• OpenPCR firmware was criticized for writing data to a plain file instead of using proper IPC; the community floated a redesign proposal with modest funding to John Griessen.  
• HUD development discussion centered on backless OLED/LED micro-displays as the next step beyond CRT-based projection optics, while chording keyboards were deemed too conspicuous; invisible finger-bend or acoustic-tap virtual keyboards were suggested as discreet alternatives.