Non-contact sensing with brain-like synaptic analog memory in single component executes based on ambient moisture fluctuations

https://www.eurekalert.org/news-releases/1145102

"porous nickel memristive device senses finger moisture 1 mm away... adsorbed water molecules narrow material's bandgap/ introduces hybridized electronic states, allowing humidity as tunable programming signal... varying moisture proximity emulates short-/ long-term memory functions, achieving >97% classification accuracy across proximity/ humidity states when paired with machine learning... touch-free human-machine interface, sterile healthcare monitoring, intelligent electronic skin"