A Video of the Science behind This Study (VIDEO) Ecole Polytechnique Fédérale de Lausanne 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 video illustrating the experiments and findings of this study. Credit Fabrizio Carbone/EPFL 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.