Microscopy images and diagrams showing the dynamics of film collapse (image) Tokyo Metropolitan University Share Print E-Mail Caption An initial crack in a film creates a RVPB (a). A second crack event in the film (b) causes a "collapse front" to be formed which sweeps up the RVPB (c) before its shape begins to flatten (d) and invert (e), finally leaving a droplet (f). Credit Tokyo Metropolitan University 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.