Going viral: Acoustic levitation

[postlink] http://bagonglatest.blogspot.com/2012/09/going-viral-acoustic-levitation.html[/postlink] http://www.youtube.com/watch?v=669AcEBpdsYendofvid [starttext] Sep 12, 2012 - Scientists at Argonne National Laboratory have discovered a way to use sound waves to levitate individual droplets of solutions containing different pharmaceuticals. [endtext]