- Iontronic memristive materials are being explored for neuromorphic computing, with recent examples using silk-fibroin hydrogel (Wiley paper) and sulfonated polyaniline for spoken-digit reservoir computing (Advanced Materials paper).  
- Skyrmions—topological spin textures—were highlighted as a potential physical substrate for ultra-dense, low-power memory and logic; an Applied Physics Letters article was shared for background.  
- A speculative proposal was floated to cross-link and decellularize a large mammalian brain to create an iontronic gel whose electrolyte/ion distribution could serve as a highly non-linear computational medium.  
- DNA-based crystalline or gel scaffolds were discussed as another route to molecularly identical, programmable iontronic systems, though evidence of such monodispersity is still lacking.  
- Hydrogel-based inkjet printing of living constructs was noted (ScienceDirect article), suggesting a path toward rapid prototyping of soft bio-electronic devices.  
- Open-source molecular biology: docl linked a Bioengineering paper on producing Taq polymerase and reverse transcriptase in Vibrio natriegens, and mused about fermenting an entire PCR master mix by tuning ammonium, potassium, and magnesium ion concentrations.  
- A low-cost hardware hack idea emerged: repurposing a thermal printer head to deliver micro-scale, spatially precise heat pulses for microfluidic reactions.  
- A teardown video of a mini Bluetooth thermal printer was shared as practical reference for the above hack.  
- Methylene blue’s ability to stain brain tissue was noted via a Wikipedia pathology image, hinting at its dual use as both contrast agent and potential metabolic enhancer (“blue brain”).