Sound waves (IMAGE) University of Jyväskylä - Jyväskylän yliopisto Caption Sound waves tunneling across a vacuum gap. Credit Zhuoran Geng and Ilari Maasilta Usage Restrictions nothing 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.