Brain Endoscopy Methods (IMAGE) Carnegie Mellon University Caption Carnegie Mellon researchers have developed a novel method to use ultrasound for guiding light through tissue for noninvasive endoscopic imaging of deep organs and tissue without surgery or invasive procedures. Credit Carnegie Mellon University College of Engineering 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.