Artificial tongue can taste whiskeys apart

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Most people would think that testing different kinds of whiskey scientifically would just be a case of chemical analysis. However many of the higher end whiskeys have such similar chemical make ups that regular tests don't work. It’s often down to experienced distillers to do the testing in the old fashioned way - by tasting the whiskey. A method that’s both subjective and hardly an absolute. But a team from Germany's Heidelberg University has made what’s been described as an “artificial tongue”, which is a handful of small bottles filled with polymer dyes that glows. The test works by adding a drop…

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