Powered Prosthetic Devices (IMAGE) North Carolina State University Caption Dr. Helen Huang's work at North Carolina State University focuses on technology that translates electrical signals in human muscle into signals that control powered prosthetic limbs. Credit North Carolina State University Usage Restrictions Photo credit must be given. 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.