Question

What are some of the practical applications of studying splashes?

Answer 1

Tactical advantage in pool party volleyball games.

Answer 2

Or, from a more serious point of view, a better understanding of fluid dynamics yields more effective models for all kinds of things, from the mixing that biologists might do to stimulate the contents of a particular beaker to undergo some form of reaction to the swirling of wine before drinking it to release the aroma (see a recent paper http://www.physnews.com/physics-news/cluster197047590/).