Setting up the Experiment (IMAGE) U.S. National Science Foundation Caption To study the rock layers below the seabed, researcher Jamie Austin of University of Texas at Austin and vessel crew deploy a sound source (airguns) and a listening cable ‘streamer’ to record the sound waves as they are reflected back towards the surface. Credit Science Party of SO-198-2 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.