# Key Insights from #hplusroadmap IRC Discussions

• Researchers discussed transcranial ultrasound stimulation (tUS) as a promising alternative to tDCS, highlighting its superior spatial resolution (approximately 2mm compared to tMS's 1cm), though challenges remain in precise targeting without real-time imaging.

• The biohacking community debated approaches to innovation, with some advocating for more research-oriented methods versus simpler interventions like magnetic implants, emphasizing the need for collaboration rather than community division.

• Participants critiqued an O'Reilly Radar article on biohacking for oversimplifying DNA as "similar to machine language" and drawing potentially misleading parallels between synthetic biology and computing's usability evolution in the 1970s-80s.

• The Parallella Kickstarter project for a $99 Raspberry Pi-sized supercomputer generated discussion, with skepticism about its practical viability due to the inherent challenges of parallel programming and compilation.

• The LulzBot AO-100 3D printer received FSF certification for respecting user freedom, representing a significant milestone in the intersection of open hardware and free software principles.

• Participants engaged in philosophical discussions about wealth, productivity, and meaning, examining how inherited wealth might impact psychological well-being and sense of purpose.