Bandgap Emerges (VIDEO) DOE/Lawrence Berkeley National Laboratory 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 Transient response of dynamic self-assembly. Top portion shows the position of the particles (blue) while they self-assemble in response to sound that is incident from the left (red arrow). Bottom portion shows the time response of the transmission spectrum of the system (blue), which is compared to theoretical spectrum (black). The red line denotes the wavelength of the monotone input sound. Credit Credit: Chad Ropp/Berkeley Lab Usage Restrictions Editorial use only. Include credit. 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.