Prototype chip (IMAGE) Purdue University Caption The four transistors on this chip were built out of a 2D material that disguises them from hackers. Credit Purdue University photo/John Underwood 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.