Making Graphene Tunable (IMAGE) Purdue University Caption Graphene, a super tough wonder material, hasn't made it into electronics yet because it doesn't conduct an electric current on its own. Researchers used a laser technique to permanently stress graphene into a structure that allows the flow of electric current. Credit Purdue University image/Gary Cheng 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.