Understanding Geysers from the Inside Out (VIDEO) University of California - Berkeley 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 Volcanologist Michael Manga and student Esther Adelstein use a laboratory geyser they built to explain how geysers like Old Faithful work. Credit Roxanne Makasdjian and Phil Ebiner, with additional footage by Eric King and Kristen Fauria. 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.