Simulation of the Ukidama Structure Formation (video) Okinawa Institute of Science and Technology (OIST) Graduate University Share Print E-Mail Loading video... Caption The silver (blue) attached on to the copper (red) and begins to spread out around the copper. However, it becomes clear as the silver spreads that there are four quadrants in the "corners" of the copper structure where the silver does not go and creates a new structure. This new structure resembles the Japanese glass fishing floats called ukidama, hence the designation ukidama structure. Credit OIST Usage Restrictions None Share Print E-Mail 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.