Here is a link showing this in action.
http://www.youtube.com/watch?v=cXsv...re=related Got to the second item in the video (time mark 1:00). It shows two bubbles attracting to one another and coalescing into on large bubble. Once this bubble is formed water droplets do the same. One bubble eventually coalesces to the outside to join the water.
Niel Leon
engineering.com