Lightweight Membrane Cuts Aircraft Noise for Passengers (image) North Carolina State University Share Print E-Mail Caption Researchers have developed membranes that can significantly reduce aircraft noise when inserted into the honeycomb structures used in aircraft design. Credit Yun Jing, North Carolina State University Usage Restrictions Image credit must be given. Share Print E-Mail 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.