Artificial Tongue Can Taste Different Whiskeys

Artificial Tongue Can Taste Different Whiskeys
An artificial tongue able to detect subtle differences in the taste of whiskey could keep counterfeiters at bay.

Created by a team from the University of Glasgow, the artificial tongue is made up of a checkerboard pattern of two different types of nanoscale metal tastebuds, alternating in gold and aluminum. When a whiskey sample is placed on the device, the plasmonic resonance of the metals alters in a way that can be detected by observing the change in the way the ‘tastebuds’ absorb light. In tests, the artificial tongue was able to detect differences in whiskey samples with a 99 percent accuracy.

Because the artificial tongue can taste any liquid, the team believes it could be used in food safety and quality control testing as well.

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