Ultra Slow-Motion Video of Water Droplet (VIDEO) University of Cambridge This video is under embargo. Please login to access this video. To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Caption This is a water droplet hitting a liquid surface. The oscillation of the trapped air bubble, visible in this video, causes the water surface to oscillate and drives the airborne sound. Credit University of Cambridge Usage Restrictions Credit to University of Cambridge 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.