Noise Reduction (2 of 3) (IMAGE) Georgia Institute of Technology Research News Caption Georgia Tech Research Institute research engineer Jason Nadler has developed a new microchanneled material that reduces aircraft engine noise by wearing it down through a process called viscous shear. Credit Georgia Tech Photo: Gary Meek 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.