Frozen in Time —Andrew Edwards, Nottingham Trent University

Capillary waves on a water film and pinch-off of a droplet from a Worthington jet, formed during the impact of a water droplet.

https://fluids.ac.uk/files/02_Andrew_Edwards_UKFN_Photo_Competition_No9_AMJE_Entry_ncd-nohash.1605634812.jpg