Video demo (VIDEO) Carnegie Mellon University This video is under embargo. Please login to access this video. Caption Robotics Institute Ph.D. student Akhil Padmanabha helped invent a wearable device that can objectively measure the intensity of scratching. Such a device could help researchers better evaluate the efficacy of medications meant to reduce itching. Credit Carnegie Mellon University Usage Restrictions none 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.