The AI Nose

Have followed the idea of an 'Artificial Nose' for decades, we were first interested in using it as a automatic way to to evaluate and duplicate coffee blends and their components in the supply chain.  

Also, the argument was if we could digitize  such analyses, we could use that to deliver scents where we wanted to.  We did that in places like the retail store shelf and even the store aisle.   The solutions were never completely satisfactory.   The method here claims to use deep learning.  Continue to follow related tech, see the scent tag below.

An AI ‘nose’ can remember different scents
It can also detect potentially silent but deadly gas mixtures.    by Timothy J. Seppala, @timseppala  .... "