Glasgow scientists develop artificial tongue to tackle fake whisky
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They have built a tiny taster which exploits the properties of gold and aluminium to test differences between the spirits. "We're not the first researchers to make an artificial tongue, but we're the first to make a single artificial tongue that uses two different types of nanoscale metal 'tastebuds', which provides more information about the 'taste' of each sample and allows a faster and more accurate response.
Whisky was poured over a chequerboard pattern of the two metals - which act as"tastebuds" - and researchers then measured how they absorbed light while submerged.
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