Hydrophone in Champagne Glass (image) Acoustical Society of America Share Print E-Mail Caption This is a hydrophone in a champagne glass. Credit Kyle Spratt Usage Restrictions This image may be used only with appropriate credit. 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.