# Key Points from #hplusroadmap IRC Discussions

• Participants discussed various cryptocurrency implementations, including Bitmarket and Bitshares, highlighting the challenge of tracking numerous "colored coin" implementations, with specific mention of "Coinye West" cryptocurrency facing legal challenges from Kanye West.

• Technical details of ultrasound transducer amplifier design were exchanged, comparing Class A, B, and AB amplifiers for a specific gravity measurement project, with emphasis on the challenges of handling 2MHz signals and high-frequency bipolar transistors.

• A PNAS paper on prehistoric dental caries sparked discussion about the relationship between starchy foods and tooth decay, with critique that the research overemphasized oral flora while neglecting the role of fat-soluble vitamins from animal foods.

• Several scientific papers were shared and retrieved through the channel's paperbot system, including works from Nature Nanotechnology (doi:10.1038/nnano.2011.217 and doi:10.1038/nnano.2013.253) and Science (doi:10.1126/science.1160311).

• Microfluidics research was discussed, including a simple hand-actuated peristaltic pump design from Thingiverse, with interest in finding research papers that include associated microfluidic device designs for point-of-care diagnostic technologies.

• A brief debate occurred regarding the educational value of physical hackerspaces versus remote learning with just an internet connection and computer for programmers.