Electronic nose on a drone sniffs out wastewater treatment plant stink
https://attract-eu.com/electronic-nose-on-a-drone-sniffs-out-wastewater-treatment-plant-stink/
Researchers from Spain have engineered a portable electronic nose (e-nose) that’s almost as sharp as a human nose at sniffing out the stink of wastewater treatment plants. This work was supported by the ATTRACT project funded by the European Commission.