This study assumes everybody is oblivious to contamination, and explicitly says they can't differentiate. Not useful and bordering on the tautological
This study assumes everybody is oblivious to contamination, and explicitly says they can't differentiate. Not useful and bordering on the tautological
The non-trivial part isn't contamination per se, it's that the contaminant is chemically and spectroscopically similar enough to evade standard discrimination