Researchers grow bio-inspired polymer brains for artificial neural networks

https://phys.org/news/2023-07-bio-inspired-polymer-brains-artificial-neural.html

"PEDOT:PSS polymer mixture, conductive, transparent, flexible, stable... 3D structure of top and bottom electrodes immersed precursor, PEDOT:PSS wires grown between electrodes applying square-wave voltage mimicking formation synaptic connections through axon guidance immature brain... unsupervised Hebbian learning, control conductance... spike-based learning controlling diameter and conductivity, chip larger number of electrodes and using microfluidic channels to supply the precursor solution to each electrode"

Related: Minimal energy loss thanks to smart use of branched fluidic networks

https://phys.org/news/2023-07-minimal-energy-loss-smart-fluidic.html