An edible toothpaste-based transistor (IMAGE) Istituto Italiano di Tecnologia - IIT Caption A toothpaste-based transistor is the latest innovation from the research team at the Istituto Italiano di Tecnologia in Milan. Credit IIT-Istituto Italiano di Tecnologia Usage Restrictions use with credit and caption License Original 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.