Solar Fuels Prototype in Operation (VIDEO) California Institute of Technology 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 A fully integrated photoelectrochemical device performs unassisted solar water splitting for the production of hydrogen fuel. Credit Erik Verlage and Chengxiang Xiang/Caltech Usage Restrictions With attribution 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.