ADEL (IMAGE) U.S. National Science Foundation Caption This is the Asius Ambrose Diaphonic Ear Lens (ADEL) (TM). Credit Asius Technologies, LLC Usage Restrictions Contact Asius Technologies for permission to re-print image 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.