Study lead author Jong Han (IMAGE) University at Buffalo Caption UB physics professor Jong Han is the lead author on a new study that helps solve a longstanding physics mystery on how insulators transition into metals via an electric field, a process known as resistive switching. Credit Douglas Levere, University at Buffalo Usage Restrictions None 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.