Uploaded January 2017 | Updated September 2026, 1 week ago
Chemical waves in the Belousov-Zhabotinsky (BZ) reaction. The viscous reaction solution was placed carefully on cut parafilm membrane. The membrane is hydrophobic and the surface tension confines the BZ solution to the cut out letters "Steinbock". Movie is sped up by a factor of about 15.
Chemical waves in the Belousov-Zhabotinsky (BZ) reaction. The viscous reaction solution was placed carefully on cut parafilm membrane. The membrane is hydrophobic and the surface tension confines the BZ solution to the cut out letters "Steinbock". Movie is sped up by a factor of about 15.






![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)



