Miniature fiber device (IMAGE) Virginia Tech Caption Miniature fiber device developed in Virginia Tech's College of Engineering could make cancer immunotherapy more effective. Photo by Tonia Moxley for Virginia Tech. Credit Virginia Tech Usage Restrictions Credit Virginia Tech 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.