The Flow of the Droplet on an Infinite Pool of Oil

Oil cloak acts as the balloon, the water inside boils and turns into vapor. Eventually, this pocket of steam will burst through the oil, and much like letting go of the balloon, this propels the drop. If they can harness this power, these forces could be used in a lot of different situations - from handling tiny amounts of liquid for biotec applications to moving liquids in microgravity on other planets.