Open Window Noise Cancellation Device (IMAGE) Nanyang Technological University Caption Infographics showing how the noise cancellation device developed by NTU Singapore scientists can help reduce noise pollution by 50% while windows are wide open. Credit NTU Singapore 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.