Seamless Coalescence (IMAGE) Science China Press Caption The state before and after the seamless coalescence (a) Schematic for the assembly process; (b) The velocity before and after coalescence; (c) The time-evolutional coalescence process. Credit ©Science China Press 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.