Assistant Professor M. Saad Bhamla (IMAGE) Georgia Institute of Technology Caption Georgia Tech assistant professor M. Saad Bhamla led a research team to develop the LoCHAid, an ultra-low-cost hearing aid built with a 3D-printed case and components that cost less than a dollar. Credit Craig Bromley 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.