“Electronic tongues” are devices that can analyze materials just by coming in contact with them — and they have near-infinite applications, from testing water quality to ensuring an expensive wine isn’t a counterfeit.
The problem is most fall into one of two categories: portable and specialized for only certain materials, or stationary and versatile. But now, IBM researchers have unveiled a new electronic tongue capable of bridging gap, making it easier to identify a range of liquids on the fly…”
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