Dr. Akos Vertes' REDIchip (IMAGE) George Washington University Caption Dr. Vertes holds a silicon wafer containing multiple the REDIchip devices, a new device that can detect ultratrace amounts of chemicals. Credit The George Washington University Usage Restrictions Please credit The George Washington University 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.