But if you want to really understand the science, check out the website associated with the original 2012 paper, A colloidal display: Membrane screen that combines transparency, BRDF and 3D volume, by Yoichi Ochiai of the University of Tokyo, Alexis Oyama of Carnegie Mellon University, and Keisuke Toyoshima of the University of Tsukuba. Their video demonstrations are quite fascinating! (I recommend the bottom video as the most understandable to a non-scientist.)
This neato-ness isn’t only about creating a three-dimensional display on a bubble (or colloidal membrane, made up of a mixture of water, sugar, glycerin, soap, a surfactant, and milk [credit Jesse Emspak of Discovery News for this definition]), though that is cool; Ochiai and colleagues are developing several other applications, including a new type of computer graphic (CG).
Note: This “bubble science” reminds me of a blog I wrote back in May about “bubble bots,” so I’ll link you back to that one if you’re interested.