E-Tongue (IMAGE) Washington State University Caption WSU has an electronic tongue (or e-tongue) that is very accurate at telling the difference of spiciness between samples of the same food. Credit WSU Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.