Uploaded July 2015 | Updated September 2026, 1 week ago
A sudden change in system height induces scroll wave drift along the step edge. This simulation also shows that the drift is not stopped by corners. It is based on the Barkley model. The cyan box is an unexcitable domain that creates the needed height change,
A sudden change in system height induces scroll wave drift along the step edge. This simulation also shows that the drift is not stopped by corners. It is based on the Barkley model. The cyan box is an unexcitable domain that creates the needed height change,







![Dancing Drop - Magic Disappearance Act 3
A dissolving (and evaporating) drop of dichloromethane floating on water containing a surfactant ([CTAB]=1mM). There is NO external intervention; this is spontaneous, selforganized motion! The viewed area is approx. 1 inch wide and the movie plays close to real time.
Reference: http://onlinelibrary.wiley.com/doi/10.1002/anie.201104261/abstract
(V. Pimienta et al. Angew. Chem. Int. Ed. 50, 10728 10731, 2011). Dancing Drop - Magic Disappearance Act 3](https://i.ytimg.com/vi/k57Zl9S3Ht0/mqdefault.jpg)


