Acoustic Levitation: Levitating with Sound Waves
[http://youtu.be/669AcEBpdsY] It's like airbending, but with science! Scientists at Argonne National Laboratory have created a technique to levitate droplets of water with sound waves...
http://www.neatorama.com/2012/09/14/Acoustic-Levitation-Levitating-with-Sound-Waves/



