Drop Impact on a Solid Surface: Supplemental Video 7

A supplemental video from the 2016 review by C. Josserand and S.T. Thoroddsen, "Drop Impact on a Solid Surface," from the Annual Review of Fluid Mechanics.

Shown: Prompt splash and entrapment of central air disc, for impacting water drop at high velocity. Azimuthal instability is visible in the base of the ejecta. Frame rate is 500 kfps. From Thoroddsen et al. (2012).