Bacteria 'nanowires' could help develop green electronics

https://phys.org/news/2024-04-bacteria-nanowires-green-electronics.html

"mimics photosynthesis' electron movement... bacteria produced protein filaments, a fiber genetically engineered using E. coli, and adding a heme molecule, conducts electricity over short distances, harnesses energy from air's moisture... thick amounts of the material sandwiched between 2 gold electrodes... humidity creates gradient of charge across material's depth enabling current... eco-friendly, low power, scalable, tunable... energy harvesting, biomedical (human–machine interface), environmental (humidity) sensing"