colloidal suspension (VIDEO) Johannes Gutenberg Universitaet Mainz This video is under embargo. Please login to access this video. Caption Development of a crystalline drop of colloidal suspension observed for 20 seconds starting from being added to a water bath. Monochromatic light of a wavelength of 611 nanometers makes a shell of well-defined particle concentration appear crimson red deep inside the droplet. Credit video/©: Marcus Witt / JGU Usage Restrictions Credit must be given to the creator. Only noncommercial uses of the work are permitted. No derivatives or adaptations of the work are permitted. License CC BY-NC-ND 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.