3D Printing in Process (VIDEO) Optica 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 The video shows a laser being used to polymerize a liquid containing silica nanoparticles to create a miniature glass bicycle. Credit Laurent Gallais, The Fresnel Institute and Ecole Centrale Marseille 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.