Fascinating.
Acoustic Levitation....
At the US Department of Energy's Argonne National Laboratory scientists have been experimenting with sound waves and pharmaceutical solutions, levitating soluble drops b/w two speakers facing each other. While there research have produced some visually fascinating results. It has also led to the discovery of a far more effective method for creating amorphous drugs, which happen to be more desirable of two forms that pharmaceutical drugs can take.....

http://en.m.wikipedia.org/wiki/Acoustic_levitation
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