Snapshots of the Proton Relay (IMAGE) Yale University Caption Researchers have taken spectroscopic snapshots of the passage of extra protons from one water molecule to another during conductivity, a mechanism first described by chemist Theodor Grotthuss. Credit Grotthuss image courtesy of Wikipedia 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.